综练五
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1.所谓无限大容量电源,是一种假设的理想情况,它的数学描述为( )A .Z in =1 0E in =B .Z in =0 1E in= C .1E in = Z in =∞ D .∞=in EZ in =1 2.PU 节点是指( )A .有功功率和电压幅值是给定的B .有功功率和电压幅值是未知的C .电压幅值和相角是未知的D .电压幅值和相角是给定的3.牛顿—拉夫逊法潮流计算中,雅可比矩阵( )A .与导纳矩阵阶数相同B .是满阵C .结构与数值都是对称的D .与导纳阵有相似结构但数值不对称4.线路的排列方式对哪种参数没.有影响( ) A .电阻B .电抗C .电纳D .电容 5.解潮流方程时,经常采用的方法是( )A.递推法B.迭代法C.回归法D.替代法6.负荷的功率——频率静特性系数可以表示为( ) A.L LP f K ∆∆= B.f P K L L ∆∆-= C.L L P fK ∆∆-= D.f P K L L ∆∆=7.系统备用容量中,哪种容量可能不需要专门设置( )A.负荷备用B.事故备用C.检修备用D.国民经济备用8.系统发生两相接地短路故障时,复合序网的连接方式为( )A.正序、负序并联,零序网开路B.正序、负序、零序并联C.正序、零序并联,负序开路D.零序、负序并联,正序开路9.派克变换是一种( )A.回归变换B.平面变换C.静止变换D.坐标变换10.已知一节点向负荷供电,无功功率为Q ,视在功率为S ,则功率因数角 为( ) A.SQ arcsin B.S Q arccos C.S Q arctg D.S Qarcctg11.元件两端电压的相角差主要决定于电压降落的( )A.立体分量B.平面分量C.纵分量D.横分量12.系统发生短路故障,当切除故障时对应的实际切除角小于极限切除角时,系统可能是( )A.暂态稳定的B.暂态不稳定的C.振荡失去稳定性D.非周期失去稳定性13.一台Y N /Y 型接线的变压器,如果在Y N 侧发生短路故障,则Y侧零序电流大小为()A.0B.0.5C.1.0D.∞14.从短路点向系统看进去的正序、负序、零序等值网络为有源网的是()A.零序B.负序C.正序D.零序和负序15.电力系统有功日负荷曲线下所包含的面积代表了负荷的( )。
南方彩虹综合练五年级下册语文答案1、1“总角之宴,言笑晏晏。
信誓旦旦,不思其反。
反是不思,亦已焉哉!”一句与原文一致。
[判断题] *对(正确答案)错2、下列选项中加着重号字注音正确的一项是()[单选题] *A、樯橹qiáng酹lèi 吟啸xiào羽扇纶巾guān(正确答案)B、笺注qiān 赤鼻矶jī蓑衣suō料峭qiāoC、针砭biǎn 粗糙cāo 差别chā创伤chuāngD、战栗zhàn炽烈chì对称chèng 万箭攒心cuán3、1想托人办事,可以说“请您帮忙”,也可以说“拜托您了”。
[判断题] *对(正确答案)错4、1荀子是继孔孟之后最著名的道家学者,朴素的唯物主义思想家。
[判断题] *对错(正确答案)5、“微风过处,送来缕缕清香,仿佛远处高楼上渺茫的歌声的似的”这句的修辞格是()[单选题] *比喻比拟通感(正确答案)错觉6、1柳永《雨霖铃》是豪放词的典型代表。
[判断题] *对(正确答案)错7、下列有关文学常识和鉴赏的表述,错误的一项是( ) [单选题] *A.唐代是我国古典诗歌创作的鼎盛时期。
李白与杜甫分别是我国文学史上最伟大的浪漫主义诗人和现实主义诗人;白居易在文学上主张“文章合为时而著,歌诗合为事而作”,强调继承我国古典诗歌的现实主义优良传统,是新乐府运动的倡导者。
B.荣宁两府的宁国公和荣国公是一母同胞的兄弟,宁国公居长,他的儿子是贾代化,孙子贾敬,贾珍是贾敬的儿子,贾兰是贾珠之子;荣国公的儿子贾代善,其妻贾母是金陵世勋史侯家小姐,他的儿子有贾赦、贾政,而贾琏是贾赦之子,贾珠、贾宝玉和贾环是贾政之子。
C.林黛玉来贾府投亲,宝黛初见,宝玉觉得是“天上掉下个林妹妹”,十分高兴。
听说黛玉无玉,他便摔玉在地,此举惊坏了黛玉。
D.《红楼梦》的初名叫《石头记》,它以手抄本的形式在社会上流传时,就受到人们的喜爱。
《红楼梦》问世后,人们争相阅读它,谈论它。
第二章 烷烃1. 化合物A (C 6H 12),在室温下不能使高锰酸钾水溶液裉色,与氢碘酸反应得B (C 6H 13I )。
A 氢化后得3-甲基戊烷,推测A 和B 的结构。
答案:第三章 立体化学20. 有一旋光化合物A (C 6H 10)能和Ag(NH 3)2NO 3作用生成白色沉淀B (C 6H 9Ag),将A 经过催化加氢,生成C (C 6H 14),C 没有旋光性,试写出A 的Fischer 投影式,B 和C 的构造式 答案:CCH 2CH 3CH 3HCH CCH 2CH 3H H 3CCH A:B:CH 3CH 2CH(CH 3)CCAgCH 3CH 2CH(CH 3)CH 2CH 3C:第四章 卤代烷2:化合物分子为C 8H 17Br ,用EtONa/EtOH 处理生成稀烃B ,分子式C 8H 16,B 经过臭氧化、锌/水处理生成C ,催化氢化时吸收1mol H 2生成醇D ,分子式C 4H 10O ,用浓硫酸处理D 主要生成两种稀烃的异构体E 和F ,分子式为C 4H 8,试推测A 到F 的结构。
答案:A: B:C: D:E+F: +第五章 醇和醚3. 化合物A (C 5H 12O )在酸催化下易失水成B ,B 用冷、稀KMnO 4处理得C (C 5H 12O 2)。
C 与高碘酸作用得CH 3CHO 和CH 3COCH 3,试推测出A 、B 、C 的结构。
答案:A:CH 3CCH 3CH 2CH 3CH 3CCH 3CHCH 3CH 3CCH 3CHCH 3B:C:4. 化合物,分子式为C 8H 18O ,常温下不与金属钠作用,和过量的浓氢碘酸共热时,只生成一种碘代烷,此碘代烷与湿的氢氧化银作用生成异丁醇,试写出该化合物的结构式。
答案:CH 32OCH 23CH 3CH 3第六章 稀烃5. 有两种分子式为C 6H 12的烯烃(A )和(B ),用酸性高锰酸钾氧化后,(A )只生成酮,(B )的产物中一个是羧酸,另一个是酮,试写出(A )和B )的结构式。
金融学导论综合练习五一、判断题1. 金融创新的出现,致使微观金融机构的经营风险大大降低;A. 正确B. 错误答案:B2. 金融创新的出现,使得中央银行制定货币政策的中间目标更加明晰,大大提高了货币政策工具的效力;A. 正确B. 错误答案:B3. 允许金融机构业务交叉是金融管制放松的内容;A. 正确B. 错误答案:A4. 国际清算银行规定开展国际业务的银行必须将其资本与风险资产的比例维持在8%以上;A. 正确B. 错误5. 期货和远期没有任何区别;A. 正确B. 错误答案:B6. 外汇衍生工具市场的主要活动涉及货币互换、货币期货、货币期权以及上述交易的混合交易;A. 正确B. 错误答案:A7. 金融脆弱是指一种趋于高风险的金融状态,泛指一切融资领域中的风险积聚,包括信贷融资和金融市场融资;A. 正确B. 错误答案:A8. 金融脆弱并不等于金融危机,由金融脆弱到金融危机还有个演化过程;A. 正确B. 错误9. 银行经营中的风险是金融危机的直接来源之一;A. 正确B. 错误答案:A10. 金融监管总能够有效保护公众利益和消费者利益;A. 正确B. 错误答案:B11. 对信息披露的监管要求金融机构必须公开其一切财务信息;A. 正确B. 错误答案:B12. 金融监管当局有必要通过一定的监管措施配合中央银行货币政策的顺利实施;A. 正确B. 错误答案:A13. 巴塞尔新资本协议同于1998年巴塞尔协议;A. 正确B. 错误答案:B14. 进入监管体制是一国金融体系稳定的制度保障;A. 正确B. 错误答案:A15. 次贷危机之后,进入监管的领域主要集中在对单个金融机构的风险控制;A. 正确B. 错误答案:B二、单选题1. 在金融创新中,最突出、最直接的表现是创新;A. 金融制度B. 金融观念C. 金融工具D. 金融机构答案:C2. 狭义的金融创新是指的创新;A. 市场价格体系B. 银行体制C. 利率市场化D. 微观金融主体正确答案:D答案讲解:答案:D3. 一个已存在风险暴露的经济主体,力图通过持有一种或多种与原有风险头寸相反的金融工具来消除该风险的金融技术,称之为 ;A. 投机B. 互换C. 套利D. 套期保值答案:D4. 交易双方同意在将来的某一特定日期,按事先规定的价格买入或售出既定数量的某种资产协议的金融工程工具, 称之为 ;A. 金融期权B. 金融期货C. 远期D. 互换答案:C5. 交易双方在未来特定日期或期限内,按事先协定的价格交割一定数量的金融商品的合约的金融工具,称之为 ;A. 金融期权B. 金融期货C. 远期D. 互换答案:B6. 一种以提供选择权的交易合约,购买合约的人可以获得一种在指定时间内按协议价格买进或卖出一定数量的证券的权力,这种金融工程工具称之为 ;A. 金融期权B. 金融期货C. 远期外汇合约D. 远期利率协议答案:A7. 亚洲金融危机发生在哪年 ;A. 1996B. 1997C. 1999D. 2000答案:B8. 在主要的金融领域都出现了严重的混乱, 这是 ;A. 货币危机B. 银行业危机C. 债务危机D. 系统性金融危机答案:D9. 金融系统中的一切风险积累,是 ;A. 金融风险B. 金融动荡C. 金融危机D. 金融脆弱答案:D10. 美国金融现代化法案实施于年;A. 1998B. 1999C. 2000D. 1997答案:B11. 金融监管机构按大类可分为证券、保险、监管机构;A. 信托B. 银行C. 金融D. 基金答案:B12. 商业银行设立必须达到法定最低资本额的目的是 ;A. 护存款人利益B. 维护银行体系稳定C. 保障商业银行利益与维护银行体系稳定D. 保护存款人利益与维护银行体系稳定答案:D13. 澳大利亚是模式的典型代表;A. 高度集中的单一监管B. 牵头监管C. 双峰式监管D. 双层多头监管答案:C14. 我国采用的是多头监管型监管体制,对于证券业、保险业和进行监管;A. 基金业B. 期货业C. 银行业D. 金融业答案:C15. 法国是模式的典型代表;A. 高度集中的单一监管B. 牵头监管C. 双峰式监管D. 双层多头监管答案:B三、多选题1. 按创新的动因来划分,金融创新可以分为等类型;A. 逃避管制的金融创新B. 规避风险的金融创新C. 追逐规模的金融创新D. 技术推动的金融创新E. 迎合理财需求的金融创新答案:ABDE2. 按创新的内容来划分,金融创新可以分为等类型;A. 金融工具创新B. 金融观念创新C. 金融业务创新D. 金融制度创新E. 金融管制创新答案:ACD3. 金融创新的宏观效应主要有 ;A. 对货币需求的影响B. 对货币供给的影响C. 对财政政策的影响D. 对货币政策的影响E. 对产业政策的影响F. 使货币攻击的内生性增加答案:ABD4. 金融工程技术的应用,可以概括为以下几方面;A. 投机B. 套利C. 套期保值D. 构造组合答案:ABCD5. 远期类合约包括 ;A. 远期合约B. 期货合约C. 互换合约D. 商业票据答案:ABC6. 在金融市场上交易的交易者类型包括 ;A. 套期保值者B. 套利者C. 投机者D. 竞争者答案:ABC7. 哪些因素可能会引发金融危机 ;A. 过度金融创新B. 财政盈余C. 通货膨胀D. 虚拟经济答案:AD8. 金融危机可以分为 ;A. 货币危机B. 银行业危机C. 债务危机D. 系统性金融危机答案:ABCD9. 下列指标中可以反映金融部门正趋于脆弱的有 ;A. 巨额经常项目逆差B. 预算赤字大C. 货币供应量迅速增加D. 高利率答案:ABCD10. 市场准入监管的作用在于 ;A. 提高清偿能力B. 防止逆向选择C. 限制恶性竞争D. 加强金融机构的自我约束E. 减少金融机构短期行为答案:BCE四、名词解释1. 金融创新参考答案:金融创新:是指金融领域内各种金融要素实现新的组合;即金融机构为了生存、发展和迎合客户需要而创造出的新的金融产品、新的金融交易方式、以及新的金融市场与新的金融机构的出现;2. 金融管制参考答案:金融管制:为了维持金融稳定政府或金融管理当局对金融机构的业务范围、利率、信贷规模、区域分布等方面进行一系列的管制;3. 金融风险参考答案:金融风险:指在资金的融通和货币的经营过程中,由于各种事先无法预料的不确定因素的影响,使得资金经营者实际收益发生损失的可能性;4. 金融脆弱参考答案:金融脆弱:是指一种趋于高风险的金融状态,泛指一切融资领域中的风险积聚,包括信贷融资和金融市场融资;;5. 金融危机参考答案:金融危机:全部或大部分金融指标----短期利率、资产证券、房地产、土地价格、商业破产数和金融机构倒闭数----的急剧、短暂和超周期的恶化;6. 货币危机参考答案:货币危机,是指投机冲击导致一国货币大幅度贬值,抑或迫使该国金融当局为保卫本币而动用大量国际储备或急剧提高利率;7. 银行业危机参考答案:银行业危机,是指真实的或潜在的银行破产致使银行纷纷终止国内债务的清偿,抑或迫使政府提供大规模援助以阻止事态的发展;8. 债务危机参考答案:债务危机,是指一国处于不能支付其外债利息的情形,不论这些债权是属于外国政府还是非居民个人;9. 系统性金融危机参考答案:系统性金融危机,可以称为“全面金融危机”,是指主要的金融领域都出现严重混乱,如货币危机、银行危机、股市崩溃及债务危机同时或相继发生;10. 金融监管体制参考答案:金融监管体制是为了实现监管目标而对金融活动施加影响的一整套机制和组织结构的总和;五、简答题1. 理解金融创新的含义及其特点参考答案:金融创新:是指金融领域内各种金融要素实现新的组合;即金融机构为了生存、发展和迎合客户需要而创造出的新的金融产品、新的金融交易方式、以及新的金融市场与新的金融机构的出现;这个概念包含四方面的内容:金融创新的主体是金融机构;金融创新的目的是盈利和效率;金融创新的本质是金融要素的重新组合,即流动性、收益性、风险性的重新组合;金融创新的表现形式是金融业务、金融机构、金融市场、金融工具的创新;金融创新伴随着金融业的发展而发展,表现出三个特点:1金融创新是在传统业务的基础上,适应现代经济发展需要对金融业务进行的一次革命;2它是适应现代经济理论发展对金融领域的新要求而产生的;3它是适应金融国际化、市场化、自由化的要求而产生的;2. 阐述金融创新的国际背景;参考答案:1欧洲货币市场和资本市场的建立和发展,标志着国际金融市场发展到一个崭新的阶段,它为金融创新提供了良好的条件;2全球性“石油危机”及“石油美元”的形成及其回流冲击着国际货币体系和国际金融市场,拥有巨额“石油美元”的国家,为了规避利率和汇率波动可能带来的损失,需要寻找合适的融资方式和新型金融工具;同时那些国际收支顺差国也需要新的金融工具满足资本增殖的需要;3国际债务危机加剧了国际金融的不稳定,为了解决现实的危机和避免以后发生类似情况,出现了许多新的融资工具和融资方式;3. 金融创新的直接导因是什么,它是如何导致金融创新的参考答案:1科学技术革命和世界范围金融管制的放松是金融创新的直接导因220世纪70年代发生的新的科学技术革命,其核心是微电子技术,它的广泛运用,为金融创新创造了物质基础;3世界范围的金融管制的放松;首先,由于世界经济形势发生了重大变化,高通货膨胀率带来了高名义利率,使大量资金从银行流出,出现金融机构“非中介化”现象;其次,电子计算机应用技术的不断进步,为金融机构进行金融业务创新提供了物质条件;再次,国际金融市场的发展,导致全球性的放松管制,并引发全面的金融创新;4. 对金融机构的预防性监管措施主要有哪些参考答案:1市场准入;2资本充足性监管;3流动性监管;4业务范围限制;5资产分散化管理;6外汇风险管理;7外债管理。
六年级数学第一学期期末综合练习五 2022.12.20( 本试卷4页共28题,满分100分。
答卷时间:80分钟 )一、选择题(每题只有一个正确选项,共8小题,每题2分,共16分) 1.要表示第31届奥运会我国各类奖牌的分布情况,应选用( )统计图。
A. 扇形B. 条形C.复式条形D.折线2.商场迎新年搞打折促销活动,全场商品一律打八折,相当于降价( )。
A. 8%B. 18%C. 20%D. 80%3.一个立体图形,从右面看是 ,搭成这个立体图形最多需要( )个小正方体。
A.4B.5C.6D.74.夜晚路灯亮时,同样高的杆子离路灯越远,它的影子就( )。
A.越短B.越长C.不变D.无法确定 5.在正方形中画一个最大的圆,正方形的周长与圆的周长的比是( )。
A.2 :πB.π:2C.4:πD.π:46.我国约有660个城市,其中约为32的城市供水不足,在供水不足的城市中,又约有41的城市严重缺水,全国严重缺水的城市约战城市总个数的( )。
A .121 B . 43C .125 D . 617. 笑笑买了一支圆珠笔和一支钢笔共用去24元,圆珠笔的单价是钢笔的51,钢笔的单价是多少元?以下算法不正确...的是( )。
A .)(51124+÷ B .5151:= 55124⨯+÷)(C .)(5112424--⨯D .解:设钢笔单价为χ元。
2451=+χχ 8. 一个等腰三角形底角与顶角的度数之比是1∶2,这个三角形是( )。
A .锐角三角形B .直角三角形C .钝角三角形D .无法确定二、填空题(共9小题,每题2分,共18分)9.1.4=( ) ∶( )=( )%=( )(填最简分数) 10.买6支钢笔共用27元,钢笔的总价与数量的比是( ):( ),比值是( ),比值表示( )。
11.在一块长3m ,宽1m 的长方形铁板上截下一块最大的半圆形...铁板,半圆形...铁板的周长是( )m ,面积是( )m 212.笑笑在探索圆的面积计算公式时,把一个圆剪拼成一个长25.12cm 的近似长方形,长方形的宽2 4 距离(千米)3015时间(时)( )cm ,圆的面积是( )cm 2。
有机化学综合练习六推测化合物结构1.某烯烃分子式为C6H10,经臭氧氧化后再还原水解生成两分子乙醛及一分子乙二醛。
写出该烯烃的构造式和反应式。
2. A、B两个化合物分子式都是C4H8,与HBr作用生成同一溴化物,催化氢化得到同一烷烃。
B被高锰酸钾氧化生成丙酸,A不与高锰酸钾作用但能使溴水褪色。
推测A、B的结构式。
3. A、B两个化合物分子式都是C5H8,催化氢化后都生成2-甲基丁烷,它们都能与两分子的溴加成。
A能使硝酸银的氨溶液产生白色沉淀,而B不能。
推测A、B的结构。
4.分子式为C16H16的烃A,经酸性高锰酸钾溶液氧化得苯甲酸,用臭氧氧化再还原水解得苯乙醛。
推测A的结构式。
5. A、B、C三种芳烃分子式都是C9H12,被高锰酸钾氧化时,A得一元羧酸,B得二元羧酸,C得三元羧酸;进行一元硝化时,A主要得两种一硝基化合物,B只得两种一硝基化合物,C 只得一种一硝基化合物;在光照条件下进行氯化时,A的产物是一氯代物,而B、C的产物是多氯代物。
推测A、B 、C的结构式。
6.有一伯醇A,分子式为C4H10O ,将A与NaBr及适量的硫酸共热生成B,B分子式为C4H9Br 。
A与B进行消除反应都得到C,C与HBr反应生成D,D与B互为异构体;将C进行氧化得到丙酮、二氧化碳和水。
推测A、B、C、D的结构式。
7.化合物A的分子式为C7H12,被高锰酸钾氧化生成环戊甲酸,A与浓硫酸作用后再水解生成分子式为C7H14O的醇B,B能发生碘仿反应。
写出A、B的构造式和各步反应式。
8.有一化合物A,分子式为C5H10O ,A能与2,4-二硝基苯肼反应生成黄色沉淀,但不发生银镜反应。
A经催化氢化得一醇,此醇脱水生成的烯烃经臭氧氧化再还原水解得两个化合物B和C,B、C都能发生碘仿反应,C能发生银镜反应而B不能。
推测A、B、C的结构式。
9.化合物分子式为C6H12O,与金属钠反应放出氢气,在浓硫酸存在下加热得化合物B(C6H10),B能使溴的四氯化碳溶液褪色,B经高锰酸钾酸性溶液氧化生成己二酸。
数据结构(本科)期末综合练习五(算法设计题)1. 设有一个线性表 (e0, e1, …, e n-2, e n-1) 存放在一个一维数组A[arraySize]中的前n个数组元素位置。
请编写一个函数将这个线性表原地逆置,即将数组的前n个元素内容置换为 (e n-1, e n-2, …, e1, e0)。
函数的原型为:template<class Type>void inverse ( Type A[ ], int n );2. 试编写一个函数,在一个顺序表A中找出具有最大值和最小值的整数。
函数的原型如下所示,原型的参数表中给出顺序表对象为A,通过算法执行,从参数表中的引用参数Max中得到表中的最大整数,Min中得到表中的最小整数。
注意,函数中可使用顺序表的两个公有函数:Length( ) 求表的长度;getData(int k) 提取第k个元素的值。
#include “SeqList.h”template <class T> void FindMaxMin ( SeqList<int>& A, int& Max, int& Min );3. 设有两个整数类型的顺序表A(有 m个元素)和B(有n个元素),其元素均以升序排列。
试编写一个函数,将这两个顺序表合并成一个顺序表C,要求C的元素也以升序排列(表中允许元素重复)。
函数的原型如下所示。
原型中的参数表给出参加运算的三个顺序表A、B与C。
从C中得到执行结果。
函数中用到顺序表的4个公有函数:Length( ) 求表的当前长度;maxLength( ) 求表的最大允许长度;getData(int k) 提取第k个元素的值;setData(int k, int val) 修改第k个元素的值为val。
template<class T>void merge(SeqList<int>& A, SeqList<int>& B, SeqList<int>& C);4. 编写一个函数frequency,统计在一个输入字符串中各个不同字符出现的频度。
医院护理考试在线综合练习题五单项选择题1. 全身麻醉手术中最严重的意外事件是( ) (1.0)A、低血压B、肺炎C、通气不足D、心跳骤停2. 甲亢术后呼吸困难多发生于术后( ) (1.0)A、6小时以内B、12小时以内C、24小时以内D、48小时以内3. ICU是下列哪项的主要治疗场所( ) (1.0)A、疼痛治疗学B、麻醉治疗学C、重症监测治疗学D、临床麻醉学4. 婴幼儿肾母细胞瘤最早出现的症状( ) (1.0)A、血尿B、腹痛C、发热D、腹部肿块5. 固醇结石形成的主要原因是( ) (1.0)A、胆道感染B、胆道梗阻C、胆汁成分改变D、胆道内蛔虫残体存留6. 阑尾手术后的并发症不包括下列哪一项( ) (1.0)A、出血B、切口感染C、肠梗阻C、十二指肠残端破裂D、结肠441胃大部切除术后3天,出现上腹痛、高热和腹肌紧张( C ) A.吻合口梗阻B.吻合口近端空肠段梗阻D、倾倒综合征7. 深静脉血栓形成后,导致肢体疼痛的主要原因是( ) (1.0)A、静脉痉挛,肢体淤血,缺氧B、静脉痉挛,肢体缺血,缺氧C、动脉痉挛,肢体淤血,缺氧D、动脉痉挛,肢体缺血,缺氧8. 急性阑尾炎中不宜手术治疗的是( ) (1.0)A、小儿患者B、老年患者C、阑尾周围脓肿D、妊娠妇女9. 急性阑尾炎临床症状发生的顺序按下列哪一项( ) (1.0)A、先恶心,后低热,再右下腹痛B、先上腹痛,然后恶心或呕吐,右下腹痛C、先呕吐,随即发热,腹痛D、先低热,几小时后右下腹痛,呕吐10. 第一间隙容纳体液成分( ) (1.0)A、细胞内液B、血浆C、组织间液D、腹腔液11. 胃大部切除后,最早易出现的并发症是( ) (1.0)A、倾倒综合征B、吻合口瘘C、上消化道出血D、低血糖综合征12. 腹腔镜手术与传统的开腹手术所改变的主要是( ) (1.0)A、手术方式B、手术原则C、手术目的D、手术时间13. 患者,女,54岁,嗳气,呃逆,腹痛,发热,黄疸,间歇性反复发作,最可能的诊断是( ) (1.0)A、急性胰腺炎B、消化道溃疡C、胆总管结石D、阿米巴肝脓肿14. T型引流管属哪类引流物( ) (1.0)A、乳胶片引流条B、纱布引流条C、烟卷式引流条D、管状引流管15. 用70%乙醇消毒2~3次的手术区域( ) (1.0)A、会阴部B、面部皮肤C、婴儿D、供皮区16. 单纯的肠系膜血管栓塞引起的肠梗阻属于( ) (1.0)A、机械性单纯性肠梗阻B、机械性绞窄性肠梗阻C、麻痹性肠梗阻D、血运性肠梗阻17. 男性,28岁,以腹部闭合性损伤收住入院,腹腔穿刺未能确诊何种脏器损伤的原因不包括( ) (1.0)A、穿刺针太粗B、空腔脏器穿孔较小C、实质性脏器破裂出血量少D、消化液漏出量少18. 下肢静脉曲张的临床表现( ) (1.0)A、下肢浅组静脉红、肿、硬、压痛,足背动脉搏动减少B、趾端坏死,血胆固醇增高C、下肢静脉淤血.水肿,慢性溃疡形成D、下肢变形、粗肿,肢端慢性溃疡19. 下列哪种脏器的损伤临床表现为细菌性腹膜炎( ) (1.0)A、肝B、脾C、胰D、胃20. 下列哪项易使心脏骤停于舒张期( ) (1.0)A、低钙血症B、低镁血症C、低钾血症D、高钾血症21. 为先天性巨结肠患儿灌肠时,肛管插入的长度为( ) (1.0)A、3—6cmB、4-7cmC、7-10cmD、12-15cm22. 关于呼吸性酸中毒的叙述哪项正确( ) (1.0)A、肺泡通气过度B、体内CO2排出过多C、肺泡通气及换气减弱D、体内HCO3-增多23. 代谢性酸中毒临床表现中下列哪项不正确( ) (1.0)A、呼吸浅而慢B、呼气中有酮味C、口唇樱红色D、尿呈酸性24. 术后5~7天拆线的手术部位( ) (1.0)A、胸部和上腹部手术B、臀部和背部手术C、颈部和面部手术D、下腹部和会阴部手术25. 患儿男性,10个月,阵发性哭闹.呕吐8小时,果酱样大便2次,腹部有腊肠样包块,考虑为急性肠套叠,护士考虑医生首选的检查治疗是( ) (1.0)A、结肠镜检B、空气灌肠C、直肠活检D、腹部CT26. 急性阑尾炎最典型的症状是( ) (1.0)A、转移性脐周疼痛B、转移性右下腹疼痛C、固定起重量疼痛D、固定右下腹疼痛27. 肠梗阻术后最严重的并发症是( ) (1.0)A、再次肠梗阻B、腹腔感染C、肠瘘D、出血28. 梅克尔憩室患儿术后最常见的并发症( ) (1.0)A、消化道出血B、急性憩室炎C、肠梗阻D、憩室穿孔29. 溃疡病急性穿孔的早期表现,错误的是( ) (1.0)A、发热、头晕B、腹部压痛C、腹肌紧张D、恶心、呕吐30. 胃十二指肠溃疡大出血的主要表现为( ) (1.0)A、恶心、呕吐B、腹痛C、有便意感D、呕血和柏油样便31. 单纯性下肢静脉曲张患者手术后弹性绷带一般( )后方可拆除(1.0)A、3天B、一周C、二周D、10天32. 肝癌的临床表现中,提示属晚期的表现是( ) (1.0)A、腹胀.乏力B、肝区疼痛C、食欲不振D、肝区肿块33. 下列有关急腹症的说法哪项不正确( ) (1.0)A、是一类以急性腹痛为主要表现的疾病B、是一类必须早期诊断并紧急处理的腹部疾病C、特点是发病急.病情重.进展快.变化多D、仅指发生于腹部的急性疾病34. 下肢深静脉血栓形成急性期不会出现( ) (1.0)A、突发全下肢肿胀B、小腿剧痛,患足不能着地踏平C、浅静脉明显曲张D、患肢小腿和足背可出现水疱35. 先天性巨结肠患儿术后肛管护理错误的是( ) (1.0)A、术后一周拔管B、定时向外挤压管道,防止堵塞管道C、妥善固定肛管,防止脱出D、密切观察引流物的颜色.性质.量36. 肾盂输尿管连接部梗阻患儿健康宣教错误的是( ) (1.0)A、保持会阴部清洁,防止泌尿系感染B、进食高钾、低盐或无盐饮食C、避免剧烈活动D、避免服用损坏肾脏药物37. 腹部手术后5天,伤口搏动性疼痛,体温上升,首先考虑的并发症是( ) (1.0)A、肺部感染B、肠粘连C、腹腔脓肿D、切口感染38. 与开腹手术比较下列哪项是腹腔镜胆囊切除术的特殊并发症( ) (1.0)A、气体栓塞B、胆道损伤C、切口感染D、胆瘘39. 关于胃肠减压的目的,错误的是( ) (1.0)A、改善肠壁的血液循环B、促进胃肠吻合口愈合C、维持正常体液平衡D、促进胃肠功能恢复40. 急性腹膜炎伴有休克病人宜采用的体位是( ) (1.0)A、头低脚高位B、头抬高20-30度,脚抬高15-20度C、半卧位D、平卧位41. 外科最常见的酸碱平衡失调是( ) (1.0)A、呼吸性碱中毒B、呼吸性酸中毒C、代谢性碱中毒D、代谢性酸中毒42. 胆总管切开取石置T管引流术后2周,拔管前先试行夹管1~2天,应注意观察的内容是( ) (1.0)A、神志.血压和脉搏B、腹痛.发热.黄疸C、大便的颜色D、引流口有无渗液43. 女性,35岁,因重度甲亢入院,择期手术治疗,在术前准备期间,病人害怕手术,焦虑不安,为了抑制甲状腺素的释放,常用以下哪种药物( ) (1.0)A、硫氧嘧啶B、普萘洛尔C、甲状腺素D、复方碘化钾44. 不属于开放性损伤的有( ) (1.0)A、擦伤B、刺伤C、挫伤D、切割伤45. 赵女士,急性腹膜炎,确诊的可靠体征是( ) (1.0)A、移动性浊B、腹膜刺激征C肝浊音界消失D 肠鸣音减弱46. 导致儿童粘连性肠梗阻最常见的原因( ) (1.0)A、腹腔内炎症B、腹腔内出血C、腹腔内创伤D、腹腔内手术47. 有关气腹并发症哪一项是不恰当的( ) (1.0)A、气腹可引起下肢静脉血栓形成B、二氧化碳气腹可导致心律紊乱C、皮下气肿的形成与穿刺技术无关D、术后可出现肩背部酸痛48. 腹腔镜手术中,出现气体栓塞并发症后应采取的措施( ) (1.0)A、立即解除气腹B、吸入纯氧或高压氧治疗C、左侧卧位D、以上均是49. 外科休克中最为常见( ) (1.0)A、低血容量性休克和心源性休克B、低血容量性休克和感染性休克C、过敏性休克和感染性休克D、心源性休克和神经性休克50. 肝移植患者术后超急性排斥反应是指发生在( ) (1.0)A、数分钟B、数小时C、24小时内D、以上均是2. 答案:D3. 答案:C4. 答案:D5. 答案:C6. 答案:D7. 答案:D8. 答案:C9. 答案:B10. 答案:A11. 答案:C12. 答案:A13. 答案:C14. 答案:D15. 答案:D16. 答案:D17. 答案:A18. 答案:C19. 答案:D20. 答案:D21. 答案:B22. 答案:C24. 答案:D25. 答案:B26. 答案:B27. 答案:C28. 答案:C29. 答案:A30. 答案:D31. 答案:C32. 答案:D33. 答案:D34. 答案:C35. 答案:A36. 答案:B37. 答案:D38. 答案:A39. 答案:C40. 答案:B41. 答案:D42. 答案:B43. 答案:D44. 答案:C46. 答案:D47. 答案:C48. 答案:D49. 答案:B50. 答案:D。
自考高数综合练习题一、单项选择题1.下列集合运算结果为空集的是(B)A.{0,1,2,}∩{0,3,4}B.{1,2,3}∩{4,5,6}C.{0,2,3,5}∩{0,5,6}D.{1,2,3}∩{1,5,6}2.若f(sinx)=3-cos2x,则f(cosx)=(D)A.3-sin2xB.3+sin2xC.3-cos2xD.3+cos2x3.已知函数f(x)的定义域为[0,1],则f(x+a)的定义域是(D)A.[0,a]B.[-a,0]C.[a,1+a]D.[-a,1-a]4.(E)5.设函数f(x)在(-∞,+∞)内有定义,下列函数中必为奇函数的是(D)A.y=|f(x)|B.y=-|f(x)|C.y=cD.y=xf(x2)6.arcsinx+arccosx=(B)7.(C)8.(D)A.∞B. 1C. 1/2D. 09.若x→a 时,有0≤f(x)≤g(x),则是f(x)在x→a 过程中为无穷小量的(D)A.必要条件B.充分条件C.充要条件D.无关条件10.当n→∞时,与等价的无穷小量是(C)11.设f(x)=|x|,则(D)A.-1 B.0 C.1 D.不存在12.“当x →x0时,f(x)-A 是一个无穷小量”是“函数f(x)在点x=x0 处以A 为极限”的(B)A.必要而不充分的条件B.充分而不必要的条件C.充分必要条件D.无关条件13.(C)A.-1 B.0 C.1/2 D.∞14.处的二阶导数的定义是(C)15.设收益函数R(x)=150x-0.01(元),当产量x=100 时其边际收益是(B)A.149 元B.148 元C.150 元D.148 百元16. ( D )A.0 B.1 C.2 D.-217.设某商品在200 元的价格水平下的需求价格弹性η=-0.12,它说明价格在200 元的基础上上调1%时,需求量将下降()A.0.12 B.0.12% C.1.2% D.12%18.(B)19. ( A )A.递增B.递减C.不增不减D.有增有减20. (B)21. ( B ) A.必要条件B.充分条件C.充要条件D.无关条件22.下列函数对应的曲线在定义域上凹的是(B)23.函数在闭区间[0,1]上满足拉格朗日中值定理的条件,其中的ξ=(A)24.函数y=sin(x+π/2)在x∈[-π,π]上的极大值点x0=(D)A.π B.-π C.π/2 D.025.下列函数中,在区间[-1,1] 上满足罗尔定理条件的是(B)26.(A)A.sin(1-2x) B.-2cos(1-2x) C.sin(1-2x)+c D.-2cos(1-2x)+c27.(B)28. (C)29.(D)A.1 B.0 C.1/2 D.1/330.(B)A.∞ B.1 C.1/3 D.-131.点M1(1,-4,-1),M2(1,0,3),则M1M2 的中点坐标是(B)A.(0,2,-2) B.(1,-2,1) C.(0,4,-4) D.(2,4,2)32.设由方程确定的隐函数z=z(x,y),则()33.()34.()A.0 B.1/4 C.1/2 D.135.()A.2 B.1/3 C.1/2 D.336.在下列级数中,条件收敛的级数是(D)37.在下列函数中,能够是微分方程的解的函数是(C)A.y=1 B.y=x C.y=sinx D.38.微分方程的一个特解是(C)39.(B)40.(A)二、计算题(每小题4 分,共12 分)求k 的值使f (x) 在其定义域内连续。
六年级英语期末综合练习五命题教师:第一项第二项(A)咸阳路小学胡颖第二项(C) 博翰小学张恩扬第三项至第六项南江里小学卢玥第七项东方小学陈洁I. Listening(A). Listen and choose下面每小题内你将听到一个句子并看到一组图片,请选出与你所听到的句子意思相符的图片(其中有一幅图片是多余的)A B CD E F1._____2._____3._____4._____5._____(B) Listen and choose 下面每小题内你将听到一个问题或句子,请在供选择的三个选项中选出你所听到的问题或句子的正确应答( )1.A. It was wonderful. B. I was at home. C. Kunming is beautiful.( )2.A. I was born on January 1st, 1992. B. He was born on October 2nd, 1960.C. She was born on March 8th, 1962.( )3.A. I went to plant trees yesterday morning. B. I went to plant trees in the park.C. I went to plant trees with my classmates.( )4.A. He lived in big caves. B. He made fire to cook.C. He used stones to kill animals for food.( )5.A. She told us about some interesting animals.B. We talked about some interesting animals.C. We learned about some interesting animals.(C). Listen and mark T or F根据你听到的对话内容,判断下面的句子意思是否与你所听到的内容相符( )1.Li Yan and her parents went to the World Park last month.( )2.Disneyland is one of the famous theme parks in the world.( ) Tower and Niagara Falls are in Canada .( )4.They want to see all these famous places( )5.They can’t see Big Ben and Tower Bridge in England.(D). Listen and choose听录音,选出与你所听到的短文意思相符的答案( )1.When was Gao Wei’s birthday?A. Yesterday.B. Last weekend.C. Last week.( )2.Who went the bookshop with him?A. His father.B. His mother.C. His parents.( )3.Who told him about the dinosaurs?A. His classmates.B. His Uncle.C. His teacher.( )4.Was he interested in the animals?A. Yes, he was.B. No, he wasn’t.C. We don’t know.( )5.What did he get as his birthday present?A. A nice picture.B. A nice dinosaur.C. A nice book.II. Fill in the blanks 词汇填空(A) Fill with the proper forms用括号内所给单词的适当形式填空1.It’s ______________(snow)today. Let’s go and make a snowman.2.What is the ______________(nine)month of a year?3.My brother enjoys ______________(take)photos on Saturdays or Sundays.4.Miss Li seldom __________(read) books in the living room, but in her bedroom.5. (those) huge animal can work with its long nose. We call it African elephant.6.The boy’s father is a ____________ (drive). He often helps others in his work.7.Our teachers teach us in many ways. We learn a lot from _________ (they).(C) Complete the passage with the proper forms of the verbs given 用括号内所给动词的适当形式填空,完成下面的短文Last Sunday, Jim went to see his friend Mike, but he didn’t (know,knows)1 where Mike lived. On the way, he (stops,stopped) 2 in front of a white house and (asked,ask) 3 an old man the way to Mike’s house. “His house( is ,are) 4 not far from mine.” said the old man. “It’s behind the trees, but you can’t (get ,got) 5 there easily. You can go there by bus. If you go there on foot, it’ll (take,taking) 6 you about two hours.”“What’s wrong with the old man?” Jim thought. “I can (see,saw) 7 Mike’s house from here now. It’s just behind the trees.”Then Jim(walked,walk) 8 to the other side of the trees. He saw the man (was,is) 9 right. There was a river in front of him and he( couldn’t, wouldn’t)10 see a boat. Mike’s house was on the other side of the river!1. _________2. _________3. _________4. _________5. _________6. _________7. _________8. _________9. _________ 10. _________Ⅲ. Multiple choice 选择填空( )1._______elephant is bigger then _______ horse.A. /, /B. An, aC. an, aD. A, an( )2.____ is a country of Asia(亚洲).A. FranceB. GermanyC. SingaporeD. New Zealand( )3.I can see ______ stars in the sky at night.A. two millions ofB. two millionsC. millions ofD. million of( )4.They are talking _____ the animals in science lesson.A. aboutB. withC. toD. for( )5.The question is too because nobody can answer it.A. easyB. difficultC. funnyD. right()6. There are _____ months with _____ days in a year.A. twelve, thirty-oneB. eight, thirty-oneC. seven, thirtyD. four, thirty( )7.Please ______ the radio. It’s ______.A. turn off, too quietB. turn on, very lateC. turn down, too noisyD. turn up, very dirty( )8. Look! The boys ______ football. They ______ a football game next week.A. play, haveB. are playing, haveC. are playing, are havingD. are playing, are going to have( )9.--______ did you learn in primary school? -- I learned a lot by doing things.A. HowB. WhereC. WhichD. What( )10. --_____, can you tell me the way to the Water Park?--You can get there by bus.A. Excuse meB. I’m sorryC. Thanks a lotD. Not at allⅣ. Complete the dialogue 完成对话(A)A: Good morning! I moved to this neighbourhood last week.B: Really? 1A: Thank you. By the way, I want to go to the Array post office. 2B: Go straight along this road. When you see themain street, turn left. Go along that street. 3The post office is in it.A: 4B: No. It’s about two minutes’ walk.A: 5B: You’re welcome. 1._____ 2._____ 3._____ 4._____ 5._____A. Were you at home yesterday?B. It was very interesting.C. Where were you?D. Were you interested in them?E. I was at the bookshop. (B)A: You weren ’t at home yesterday. 1B: 2 There were a lot of new books in it.A: 3B: Yes, I was. And I bought a storybook anda book of cartoons. How about you?4A: No. I went to see a movie yesterday.51._____2._____3._____4._____5._____Ⅴ. Reading 阅读理解A father asked his son, “How many letters are there in the Alphabet(字母表)?” “I’m sorry, I don’t know. ”answered his son.The boy’s f ather was very angry. He said to his son, “You don’t know? You are in school for many years and don’t know how many letters there are in the Alphabet? ”“No,” answered his son. “But let me ask you a question, Dad. You often go to the post office. Now please tell me how many letters there are in the post office. ”判断正误( )1.The father asked his son a very easy question.( )2.The father was angry because his son was not polite to him.( )3.The son was too young to go to school, so he couldn’t answer his father’s question.( )4.The father couldn’t give the right answer to his son’s question.( )5.The word “letter” in the two questions has different meanings.Ⅵ. Read and fill 根据图片所提示的信息, 每空填写一个适当的英文单词完成短文Here are four pictures about “Save our planet” and some students are talking about them. Li Yan says, “Water 1 __________ very imporant to people. We shouldn’t 2 ________ it. And we should 3 __________ the rivers clean.”Gao Wei says, “The animals are our good friends. They live together with 4______ .We should 5__________ to protect them everywhere. We shouldn’t 6 __________ them for our food or clothes. ”Yang M ing says, “Trees can stop the wind and 7_______ the air fresh. We shouldn’t 8__________ 9 too many trees .”Lingling says, “The planet is our home. We can do lot of 10__________ things about it. Let’s begin today!”听力稿及参考答案A.1.Peking Man drew pictures on the wall.(C)2.Peking Man got water from the river.(F)3.Peking Man killed animals with stones.(A)4.Peking Man made clothes from animal furs.(D)5.Peking Man made fire for food.(E)B.1.Where were you during your holidays?(B)2.When was your mother born?(C)3.Where did you go to plant trees yesterday?(B)4.Where did Peking Man live?(A)5.What did you learn last week?(C)C. Lesson 23 课文(F T T T F)D. Last Saturday was Gao Wei’s birthday. He went to the bookshop with hisfather. They wanted to buy a book about dinosaurs. At school, Miss Liu told him that dinosaurs lived millions of years ago. They could run very fast and some of them could fly. Gao Wei was very interested in them. He wanted to learn something more about them. So his father bought him a very nice book as a birthday present. (1.B 2.A 3.C 4.A 5.C)Ⅱ.(A) snowy, ninth, taking, reads, That, driver, them(C) know, stopped, asked, is, get, take, see, walked, was, couldn’tⅢ.BCCABDCDAAⅣ. BDEAC CEDABⅤ.TFFTTⅥ.1.is 2.waste 3.keep 5.try 6.hunt/kill 7.make 8.cut 9.down 10.good。
综合练习题(五)一、命名下列化合物。
(包括立体异构标记法)SO 3HCH CHCOOH1.2.COOHOH HOHH H CH 3H NCONH 2C N(CH 3)2ONCH 3CH 2CH 33.4.5.6.COOHOH HOH H COOHCOONa CHSHCHSHCOONaHOOCCCH 2CH 2COOHO37.8.9.10.二、写出下列化合物的结构式。
11. 琥珀酸 12. 柠檬酸钠 13. R-甘油醛 14. γ-谷胱甘肽 15. β-D-苄基吡喃葡萄糖苷 16. 腺嘌呤 17. 邻苯二甲酸酐 18. 甲基丙烯酸甲酯 19. 乙酰胆固醇 20. cis-油酸三、选择题 (一)A 型题21.下列化合物进行一硝化时,反应活性最大的是( )。
NHCOCH 3CH 2FNH(CH 3)2+CH 3N(CH 3)2A.B.C.D.E.22.与HBr 加成反应活性最大的是( )。
A. B. C. D.E.CH 2 CHBrCH 3CH CH 2CH 2 CHNHCH 3CH 2 CHNO 2CH 2 CHCH 2OH23.下列化合物既有顺反异构,又有旋光异构的是( )。
CH 3A.B. C.D.E.CH 3CH CHCHCH 3HO OHCH 3CH CHCH 2OHCH 2COOHCH 2COOHHOCOOH24.二氯甲烷的立体构型是( )。
A .正方形B .矩形C .正四面体D .四面体E .立方体 25.丁烷的构象有( )。
A .2种B .4种C .8种D .16种E .无限种 26.对氯甲苯的结构中有( )。
A .π-π共轭B .π-π共轭和p- π共轭C .π-π共轭和σ- π超共轭D .π-π共轭、p- π共轭和σ-π超共轭E .π-π共轭、p- π共轭和σ- p 超共轭 27.常温下不显酸性的化合物是( )。
A. B. C.D. E.OHCH 3CH 2CH 2CH 2COOH CH 3CH 2CH 2CHCOOHOHCH 3CH 2CHCH 2COOHCH 3CHCH 2CH 2COOHCH 2CH 2CH 2CH 2COOH28.属于季铵盐类的化合物是( )。
语法结构综合练习五语法结构综合练习五1. Across the river is ____.A. an old , fine , big , stone bridgeB. a big , fine ,old , stone bridgeC. a fine , old , big , stone bridgeD. a big , old , fine , stone bridge2. I bite my lips when I am thinking . I must break ____.A. the habit to meB. of the habit myselfC. myself of the habitD. the habit with myself3. How do you call that _____ in English?A. tunny , little , green , grasshopper-like insectB. little , funny , green , grasshopper-like insectC. green , little , funny , grasshopper-like insectD. grasshopper-like , green , little , funny insect4. His old grandfather fell down in the W.C. and knocked____.A. him badB. himself badC. him badlyD. himself badly5. Our boss thinks _____ of me though I have just come to work here.A. highlyB. highC. higherD. highest6. The naughty boy cast a stone and it hit Ronald _____ nose.A. intoB. on theC. on hisD. in his7. Am y is still ____ too young to travel alone. That’s why she needs my companionship.A. quiteB. veryC. farD. near8. Albert is looking forward to visiting her grandma in Harbin at the end of this semester. He isal ways saying, “The summer vacation cant’ t come ____ soon.”A. soB. veryC. ratherD. too9. At this moment I cannot give you a definite answer yet. I’d like to spend _____ more time considering this problem.A. ratherB. fairlyC. quiteD. rarely10. This big volume that the teacher asked us to finish reading within a week is _____ too difficult for us.A. fairlyB. ratherC. prettyD. quite11. In those magnificent supermarket chains the quality of goods is much better, _____ though steeper as far as the price is concerned.A. fairlyB. quiteC. ratherD. very12. It is a common expression to descr ibe something as “light as ai r”, but air is _____ light.A. somewhatB. soC. ratherD. hardly13. “Although has told me that once he had nasty fall and broke his left arm.”“_____ was that?”A. How long agoB. For how longC. For what timeD. Since when14. That day we returned _____ late, but just in time for dinner.A. homeB. to homeC. back homeD. back to our home15. ____ the classmates love our young teacher because he is knowledgeable and humorous.A. The mostB. AlmostC. Almost of allD. Most all16. Cheap _____ it is, the pen is a very useful tool in writing.A. becauseB. asC. soD. but17. Search _____ they would, the Japanese invaders could find nothing in the cave.A. asB. soC. becauseD. for18. The only thing _____ is of importance is to gather all our money to lay a fund for the sick and wounded.A. whichB. whatC. whoD. that19. Although I am weak, I will contribute to your cause the little _____ I can do.A. whichB. whatC. thatD. whose20. I have explained everything _____ I can to you.A. whatB. thatC. whichD. all21. He laughs best _____ laughs last.A. whoB. whichC. whatD. whom22. He could not tell us what it was __ bothered him because he was a mute.A. whatB. whoC. of whichD. that23. Mount Vesuvius, _____we visited last summer, is on the top of an active volcano.A. whereB. thatC. whichD. what24. Her brother had at last become an actor, _____he wanted to be.A. thatB. whatC. whoD. when25. Miss Smith will move into the new house that her wealthy would-be husband last week presented her tomorrow, ____ it will have been fully furnished.A. by that timeB. at that timeC. by this timeD. by which time26. It was with great joy _____ the poor old lady got the news that her long last daughter wouldsoon come back to her from Taiwan.A. soB. forC. thatD. to27. It was in Germany _____ Albert Einstein spent his childhood.A. whereB. thatC. whenD. which28. It was __ I met his grandfather in Los Angeles.A. many years ago thatB. many years agoC. many years since thatD. since many years ago when29.____ will you solve the problem provided this approach does not turn out good results?A. Who elseB. What elseC. Whom elseD. How else30. Unless you work hard, ____.A. you will earn a lot of manyB. you will be able to pass the examC. you will not be able to go abroadD. you will be a good scholar31. I wrote everything down ____ I should forget it.A. in case ofB. asC. in order thatD. in case32. _____ you are happy, it does not matter if you have not got much money.A. As long asB. As far asC. As much asD. Meanwhile33. _____ there is rubbish, there are flies.A. InB. WhereC. WhichD. What34. Scarcely had she learned any skill to support herself _____ her parents died.A. thenB. thanC. whenD. while35. It _____ six years since we moved into that house.A. areB. wereC. hasD. is36. She did not live up to _____ had been expected of her.A. whatB. whichC. thatD. who37. The twin bothers are so alike that we cannot tell _____.A. what is whomB. who is whoC. who is whomD. whom is who38. Why the rocket carrier did not go up into the sky was _____ some workers on the launchingfield treated their work carelessly.A. becauseB. forC. thatD. owing to39. The reason that I did not go back to China immediately after graduation was ______ I still hadto do a lot of other experiments is theStates.A. becauseB. asC. forD. that40. John’s bike has a flat tire. _____ n ow is to walk to the nearest telephone box.A. All he can doB. He can doC. He can do allD. That he can do41. His success was due to _____ he had been hard working.A. that whichB. the fact thatC. the factD. the fact which42. Mr. Guo said that he would be punctual for the appointment this time, _____ he were lateagain?A. so whatB. how whatC. but what if D . and what about43. The gas must be used up,_____ the car cannot move forward any more.A. becauseB. sinceC. asD. for44. Amy is in favour of going to bed late and getting up late, _____ I prefer going to bed early andgetting up early.A. whileB. in the meantimeC. at the same timeD. meanwhile45. It is high time that you _____ a holiday.A. didB. madeC. spentD. took46. “Did the mother tell you to keep an eye on the baby when she w as out?” “Yes. And ______.”A. so do IB. so I doC. so did ID. so I did47. They _____ a general understanding of the present situationA. are lack ofB. lack ofC. are lacked ofD. lack48. Mrs. Walker has returned _____.A. the wallet to its originally ownerB. back to its original owner the walletC. a wallet back to its original ownerD. the wallet to its original owner49. When she came back from her trip, the first thing she did was to wash her face _____.A. cleanB. to be cleanedC. cleanedD. cleaning50. You noodle! How can you stand there an watch the milk _____ over?A. boilB. boiledC. was boiledD. boiling51. She put on a _____ for the important occasion.A. red bright silk dressB. silk red bright dressC. bright red silk dressD. bright silk red dress52. There were two small rooms in the beach house, _____ served as a kitchen.A. the small of themB. the smaller of whichC. the smallest of whichD. the smaller of them53. If you want to study hard and get good marks, you must see your girl-friend ______.A. fewer frequenciesB. less frequentC. less oftenD. lesser frequently54. Is there a _____ student present?A. more superiorB. most superiorC. superiorerD. superior55. This window screen is _____ than that one.A. more nearly squareB. nearly squareC. nearly more squareD. more square nearly56. The policeman seized Soapy by both his hands ____ he appeared in the street.A. momentB. a momentC. the momentD. at moment57. The reason for her hesitancy was _____ she did not like to blame anyone without sufficientproof.A. forB. becauseC. whatD. that58. Amy coughed, sneezed _____.A. and showed other symptoms of a coldB. and other symptoms of a clodC. together with other cold symptomsD. with other cold symptoms59. We saw Alan swimming over the water and finally,_____ into it.A. plungedB. plungingC. plungeD. being plunged60. _______, homework every day.A. No every students doB. Not every student doesC. Not every student doesD. Not every students do61. I can’t speak Ja panese _____.A. Neither can’t my botherB. My bother can’t, tooC. So can’t my bother alsoD. Neither can my bother62. “ Amy, will you be able to come back to school tomorrow?”“I hope _____ .A. soB. thisC. thatD. it63. My wife lived at home before we were married, and so ____.A. had IB. did IC. I hadD. I did64. Simon hasn’t done it and _____.A. I haven’t done it neitherB. I have done it eitherC. I haven’t done it, eitherD. so I haven’t done it neither65. The moon ______ cool in summer and warm in winter.A. is feltB. feelsC. has been feltD. was felt66. She did not feel ____ going out , as she had a silght headache.A. likeB. forC. wantD. will67. Mary bought ______.A. to Peter a penB. a pen to peterC. a pen for PeterD. for Peter a pen68. I don’t think she’ll be upset, but I’ll see her in case _____.A. she willB. she isC. she doesD. she would69. He is off his head , if _____ the expression.A. you’ll pardonB. you pardonC. you’re pardoningD. you’ve pardoned70. My wife _____.A. has forever picked holes in meB. forever picks holes in meC. does forever pick holes in meD. is forever picking holes in me71. Attention, please. If you _____ quiet, I’ll tell you what happened just now.A. beB. are to beC. will beD. were72. When I arrived in Inner Mongolia, the sun ____.A. had shinedB. was shiningC. shoneD. has shone73. By the time the course ends, _____ a lot about Britain.A. we’ll have learntB. we are learningC. we’ll learnD. we have learnt74. I had not expected Amy to come and apologize, but I had hoped ____.A. her calling meB. her to call meC. that she call meD. that she would call me75.______ you did not know the rules will not be a sufficient excuse for your failure in theperformance.A. ThatB. WhatC. BecauseD. It is76. I _____ love to listen to romantic songs.A. amB. beC. haveD. do77. “Why were you so late for work today?”“______ to the office was very slow this morning because of the traffic.”A. I droveB. DrivingC. To driveD. That I drove78. My coat looks rather shabby, so I ought to have it ____.A. clean and pressB. cleaning and pressingC. cleaned and pressedD. to clean and press79. The human body is composed of organs each _____ a definite job to do.A. hadB. hasC. to haveD. having80. It’s nice to go for a walk along the beach ______ a summer evening.A. inB. atC. onD. during81. _____ arrival at the airport, she was warmly welcomed bya group of American children.A. AtB. InC. ForD. On82. _____ some mammals came to live in the sea is still not known.A. WhatB. AlthoughC. HowD. On83. I cannot thank you _____ much for your kindness .I owe my success to you.A. tooB. veryC. soD. as84. Which do you think is ____, wealth or health?A. importantB. the more importantC. the importantD. more important85. The cost is ____ much for me.A. so muchB. much tooC. too muchD. very much86. A line segment, which is part of a straight line, begins at one point ____ at another.A. endingB. and endsC. by endingD. the end is87. This is _____ opportunity to be lost.A. too good aB. a too goodC. too a goodD. too good an88. It is _____ that I’d like to go to the countryside and have some pictur es taken there.A. such nice weatherB. such a nice weatherC. so nice weatherD. so nice a weather89. Sally hardly ever eats _____ garlic.A. neither onion norB. neither onion orC. either onion norD. onion or90 We used to raise a lot of ____ on the farm.A. oxB. oxesC. oxenD. oxs91. _____ the most versatile of the common metals, lead was widely valued and used in ancient times.A. AmongB. It isC. There isD. That it is92. “How can I help you the most?”“______ out of the way.”A. For you to sayB. By stayingC. To stayD. With your staying93. Americans are traveling abroad _____.A. in greater numbersB. in more numberC. numerically greaterD. more numerously94. During the rush hours, a policeman directs traffic at the intersection and ____ there have been no accidents.A. as if nowB. up until currentlyC. to the presentD. so far95. “Who won the election for mayor?”“A man ______ to represent every minority group in the city.”A. claimingB. is claimedC. claimsD. claimed96. “Why does Professor Yu prefer this laboratory?”“Because here he is free to do his research _____ he wants.”A. some wayB. any wayC. any howD. whatever97. The southern part of the United States is changing ____.A. with swiftnessB. fastlyC. in fast waysD. rapidly98. The higher the standard of living and the greater the national wealth, the ____.A. greater is the amount of paper usedB. greater amount of paper is usedC. greater the amount of paper usedD. amount of paper is used is greater99. _____ is a term for the partial or complete inability to hear.A. Deafness thatB. It is deafnessC. There is deafnessD. Deafness100. Most living creatures depend on plants _____.A for their nourishmentB. have their nourishmentC. nourishment for themD. they have nourishment。
自考高数综合练习题一、单项选择题1.下列集合运算结果为空集的是()A.{0,1,2,}∩{0,3,4}B.{1,2,3}∩{4,5,6}C.{0,2,3,5}∩{0,5,6}D.{1,2,3}∩{1,5,6}2.若f(sinx)=3-cos2x,则f(cosx)=()A.3-sin2xB.3+sin2xC.3-cos2xD.3+cos2x3.已知函数f(x)的定义域为[0,1],则f(x+a)的定义域是()A.[0,a]B.[-a,0]C.[a,1+a]D.[-a,1-a]4. ()5.设函数f(x)在(-∞,+∞)内有定义,下列函数中必为奇函数的是()A.y=|f(x)|B.y=-|f(x)|C.y=cD.y=xf(x2)6.arcsinx+arccosx=()()8.()A.∞B. 1C. 1/2D. 0是f(x)在x→a过程中为无穷小量9.若x→a时,有0≤f(x)≤g(x),则的()A.必要条件B.充分条件C.充要条件D.无关条件10.当n→∞时,与sin2等价的无穷小量是()11.设f(x)=|x|,则()A.-1 B.0 C.1 D.不存在12.“当x →x0时,f(x)-A是一个无穷小量”是“函数f(x)在点x=x处以A为极限”的()A.必要而不充分的条件 B.充分而不必要的条件C.充分必要条件 D.无关条件13.()A.-1 B.0 C.1/2 D.∞14.若处的二阶导数的定义是()A. B.C. D.15.设收益函数R(x)=150x-0.01x2(元),当产量x=100时其边际收益是()A.149元 B.148元 C.150元 D.148百元16.() A.0 B.1 C.2 D.-217.设某商品在200元的价格水平下的需求价格弹性η=-0.12,它说明价格在200元的基础上上调1%时,需求量将下降()A.0.12 B.0.12% C.1.2% D.12%18.()19.( )A.递增 B.递减 C.不增不减 D.有增有减,则()20.设21.( )A.必要条件 B.充分条件 C.充要条件 D.无关条件22.下列函数对应的曲线在定义域上凹的是()A.y=e -x B.y=ln(1+x2) C.y=x2-x3 D.y=sinx23.函数 y=x3在闭区间[0,1]上满足拉格朗日中值定理的条件,其中的ξ=()=()24.函数y=sin(x+π/2)在x∈[-π,π]上的极大值点xA.π B.-π C.π/2 D.025.下列函数中,在区间[-1,1] 上满足罗尔定理条件的是()26.()A.sin(1-2x) B.-2cos(1-2x) C.sin(1-2x)+c D.-2cos(1-2x)+c27.若,则 f(x)=()28.()29.()A.1 B.0 C.1/2 D.1/330.()A.∞ B.1 C.1/3 D.-131.点M1(1,-4,-1),M2(1,0,3),则M1M2的中点坐标是()A.(0,2,-2) B.(1,-2,1) C.(0,4,-4) D.(2,4,2)32.设由方程e z-xyz=0 确定的隐函数z=z(x,y),则()33.()34.设积分区域D是由()A.0 B.1/4 C.1/2 D.135.幂级数的收敛半径是()A.2 B.1/3 C.1/2 D.336.在下列级数中,条件收敛的级数是()的解的函数是()37.在下列函数中,能够是微分方程A.y=1 B.y=x C.y=sinx D.y=e x38.微分方程的一个特解是()A.y=x3+1 B.y=(x+2)3 C.y=(x+c)2 D.y=c(x+1)339.微分方程的通解是y=()40.()二、计算题(每小题4分,共12分)求k的值使 f (x) 在其定义域内连续。
综合练习五:
一、选择题
1.Applet缺省使用的布局编辑策略是()
A. BorderLayout
B. FlowLayout
C. GirdLayout
D. CardLayout
2.Applet类的直接父类是()
A. java.Object
B. ponent
C. java.awt.Container
D. java.awt.Panel
3.在java Applet程序用户自定义的Applet子类中,常常重载()方法在Applet的
界面中显示文字、图形和其他界面元素。
A. start()
B.stop()
C. init()
D.paint()
4. 以下()可能包含菜单条
A. Panel
B. Frame
C. Applet
D. Dialog
5.在java中,开发图形用户界面的程序需要使用一个系统提供的类库,这个类库就是
()
A.java.io
B.java.awt/java.swing
C.java.applet
D.java.awt.event
6. 在java图形用户界面编程中,若显示一些不需要修改的文本信息,一般是使用()
的对象来实现。
bel
B. Button
C. TextArea
D.TextField
7.在编写java Applet程序时,若需要对发生的事件作出相应和处理,一般需要在程序的
开头写上()语句。
A.import java.awt.*;
B.import java.applet.*;
C.import java.io.*;
D.import java.awt.event.*;
8. 下面()是正确的
A.Swing组件最先出现在java 1.2版
B.Swing中只包含轻量级组件
C.AWT组件与Swing组件不能混合使用
D.ObjectEvent是所有事件类型的父类
9.下面()不是顶级容器
A.Frame B.JDialog C.JOptionPane D.JApplet
10. 下面陈述中,()错误的
A.JPopupMenu使用的是MouseListener监听器
B. JMenu使用的是MenuListener监听器
C. Checkbox类使用的是ItemListener监听器
D. Button类使用的是ActionListener监听器
二、填空题
1.java是通过_____事件监听器_______来处理事件的,使用监听器前必须将其__注册
_______。
2.A WT的全名是____抽象窗口工具包___________。
3.TextField可以使用____setEchochar(char c)_________方法为文本字段设定一个反显字
符。
4. 如何改变Applet的背景色和前景色,其中改变Applet背景色,可以使用
__setBackground(Color c)_________方法;改变Applet前景色,可以使用___setForeground(Color c)________方法。
5.java的组件主要在___________和___________中。
6. 在A WT的组件中,为了实现单选按钮的功能,除了用到CheckBox组件以外,还需
要用到___CheckBoxGroup______组件。
三、判断题
1.容器是用来组织其他界面成分和元素的单元,它不能嵌套其他容器。
2.A WT中的Button组件和Swing中的JButton组件是一样的,纯粹是给开发者提供多种实现按钮的组件。
3.java的屏幕坐标是以像素为单位,容器的左下角被确定为坐标的起点。
四、程序分析
import java.awt.*;
import java.awt.event.*;
public class AwtTotalDemo {
public static void main(String[] args) {
Frame f = new Frame("Demo of Awt Components");
f.setLayout(new GridLayout(7, 1));
Panel p1 = new Panel();
p1.add(new Label("请输入您的姓名:"));
p1.add(new TextField(30));
f.add(p1);
Panel p2 = new Panel();
p2.add(new Label("性别:"));
CheckboxGroup cbg = new CheckboxGroup();
//建立一个CheckboxGroup对象
p2.add(new Checkbox("男", cbg, true));
p2.add(new Checkbox("女", cbg, false));
f.add(p2);
Panel p3 = new Panel();
p3.add(new Label("您的爱好:"));
p3.add(new Checkbox("体育"));
p3.add(new Checkbox("音乐"));
p3.add(new Checkbox("电脑"));
p3.add(new Checkbox("文学"));
f.add(p3);
Panel p4 = new Panel();
p4.add(new Label("您常用的编程语言有:"));
List list = new List(3, true);
list.add("Java");
list.add("C/C++");
list.add("VB");
list.add("Pascal");
list.add("C#");
list.add("汇编");
p4.add(list);
f.add(p4);
Panel p5 = new Panel();
p5.add(new Label("您的学历"));
Choice c = new Choice();
c.addItem("中专");
c.addItem("高中");
c.addItem("大专");
c.addItem("本科");
c.addItem("研究生");
p5.add(c);
f.add(p5);
Panel p6 = new Panel();
p6.add(new Label("请您留言:"));
p6.add(new TextArea("畅所欲言!", 3, 40));
f.add(p6);
Panel p7 = new Panel();
p7.add(new Button("提交"));
p7.add(new Button("取消"));
f.add(p7);
f.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) { System.exit(0);
}
});
f.pack();
f.setVisible(true);
}
}
五、编程题
1.创建用户登录窗口:包括登录名、登录密码、确定输入和取消输入等信息。
要求利用swing提供的GUI组件。
2.编写事件处理程序,要求当点击按钮1时,出现按钮1的标签信息,当点击按钮2时,出现信息“OK!”. 要求利用swing提供的GUI组件。
3.编写程序使用GUI让用户录入书籍信息,书籍信息包括:书号、书名、作者、所属类
别、出版社、出版地以及内容简介等。
要充分利用swing提供的GUI组件,设计美观的界面,实现书籍信息的录入。