二模模拟试卷
一、选择题（本部分共12小题，每小题3分，共36分。） 1．4的平方根是（ ）A ．2 B ．–2 C ．±2 D ．16 2．2011年8月12日，第26届世界大学生夏季运动会将在深圳开幕。本届大运会的开幕式举办场地和主要分会场深圳湾体育中心总建筑面积达256520m 2。数据256520m 2用科学记数法（保留三个有效数字）表示为（ ） A ．25m 102.565? B ．26m 100.257? C ．25m 102.57? D ．24m 1025.7?
3．下列各图是一些常用的标志图案，其中是轴对称图形但不是中心对称图形的是（ ）
A ．
B ．
C ．
D ． 4．下列运算中正确的是（ ）
A ．123=-ab ab
B ．6
24x ·
x x = C ．532)(x x =
D ．x x x 232
=÷
5．下列说法正确的是（ ）
A ．一个游戏的中奖概率是5
1，则做5次这样的游戏一定会中奖． B ．为了解深圳中学生的心理健康情况，应该采用普查的方式．
C ．事件“小明今年中考数学考95分”是可能事件．
D ．若甲组数据的方差20.01S =甲，乙组数据的方差2
0.1S =乙
，则乙组数据更稳定． 6. 如图，已知BD 是⊙O 直径，点A 、C 在⊙O 上，⌒AB =⌒BC ， ∠AOB =60°，则∠BDC 的度数是（ ） A.20° B.25° C.30° D. 40° 7. 不等式组11112
x x +≥-???
8．一家商店将某种商品按进货价提高100%后，又以6折优惠售出，售价60元，则这种商品的进货价是（ ）A ．120元 B ．100元 C ．72元 D ．50元
9、若0>ab ，则函数b ax y +=与函数b
y =在同一坐标系中的大致图象可能是（ ）
1
2
02
- A
D
B
C D
C
B
A
O
（第6题）
10、如图，直径为10的⊙A 山经过点C(0，5)和点0(0，0)， B 是y 轴右侧⊙A 优弧上一点，则∠OBC 的余弦值为( ) A.
12 B ．34
C. D ．45
11、如图，Rt △ABC 中，∠C=90o，∠A =30o，AB = 4，将△ABC 绕 点B 按顺时针方向转动一个角到△A ′BC ′的位置，使点A 、B 、C ′在同一条直线上，则图中阴影部分的周长是（ ）
A ．344+π
B ．π4
C ．342+π
D ．π2
12．如图，已知四边形OABC 是菱形，CD ⊥x 轴，垂足为D ，函数x
y 4
=
的图象经过点C ，且与AB 交于点E 。若OD =2，则△OCE 的面积为（ ） A ．2 B ．4 C ．22
D ．24
二、填空题（本题共4小题，每小题3分，共12分。） 13、分解因式：3
4a a -=__________________________。
14、如图，在⊙O 中，圆心角∠AOB=120°，弦
AB=，则圆心到AB 的距离是______cm 。
15、在数据1，2，3，1，2，2，4中，众数是
16、在△ABC 中，AB ＝6，AC ＝8，BC ＝10，P 为边BC 上一动点，PE ⊥AB 于E ，PF ⊥AC 于F ，M 为EF 中点，则AM 的最小值为 ．
三、解答题（满分52分）
17
、计算：1
01245(2 1.41)3-??
--++ ???
18、先化简，再求值：211122
x x x -?
?-÷
?++??
，其中2x =．
A B
C ′
A ′
19、宝安区教育局为了解今年九年级学生体育测试情况，随机抽查了部分学生的体育测试成绩为样本，按A 、B 、C 、D 四个等级进行统计，并将统计结果绘制成如下的统计图，请你结合图中所给信息解答下列问题：
（说明：A 级：90分～100分；B 级：75分～89分；C 级：60分～74分；D 级：60分以下） （1）请把条形统计图补充完整；
（2）样本中D 级的学生人数占全班学生人数的百分比是 ； （3）扇形统计图中A 级所在的扇形的圆心角度数是 ；
（4）若该校九年级有500名学生，请你用此样本估计体育测试中A 级和B 级的学生人数之和为
20、如图在△ABC 中,BE 是它的角平分线,∠C=900,D 在AB 边上,以DB 为直径的半圆O 经过点E 交BC 于点F. (1)求证:AC 是⊙O 的切线;
(2)已知sinA=1
2
,⊙O 的半径为4,求图中阴影部分的面积.
21. 现计划把甲种货物1240吨和乙种货物880吨用一列货车运往某地，已知这列货车挂有A 、B 两种不同规格的货车厢共40节，使用A 型车厢每节费用为6000元，使用B 型车厢每节费用为8000元.
（1）设运送这批货物的总费用为y 万元，这列货车挂A 型车厢x 节，试求出用A 型车厢节数x 表示总费用y 的公式.
（2）如果每节A 型车厢最多可装甲种货物35吨和乙种货物15吨，每节B 型车厢最多可装甲种货物25吨和乙种货物35吨，装货时按此要求安排A 、B 两种车厢的节数，用哪一种方案费用最低。
B 46%
C 24%
D A 20%
等级
5
22．如图7-1，边长为2的正方形ABCD 中，E 是BA 延长线上一点，且AE=AB ，点P 从
点D 出发，以每秒1个单位长度沿D→C→B 向终点B 运动，直线EP 交AD 于点F ，过点F 作直线FG ⊥DE 于G ，交AB 于点R 。 （1）求证：AF=AR ；（3分） （2）设点P 运动的时间为t ，
①求当t 为何值时，四边形PRBC 是矩形？（4分） ②如图7-2，连接PB 。请直接写出．．．．
使△PRB 是等腰三角形时t 的值．（2分）
23．如图10-1，已知抛物线y = 422
+-ax ax 与x 轴交于A 、B 两点，与y 轴交于点C ，
且OB=OC ．
（1）求抛物线的函数表达式；（3分）
（2）若点P 是线段AB 上的一个动点（不与A 、B 重合），分别以AP 、BP 为一边，在直线AB 的同侧作等边三角形APM 和BPN ，求△PMN 的最大面积，并写出此时点P 的坐标； （3）如图10-2，若抛物线的对称轴与x 轴交于点D ，F 是抛物线上位于对称轴右侧的一个动点，直线FD 与y 轴交于点E ．是否存在点F ，使△DOE 与△AOC 相似？若存在，请求出点F 的坐标；若不存在，请说明理由．（4分）
A B C
D E R G F P 图7-1 A B C D R G F
P 图
7-2 图10-1
图10-2
英语作文常用谚语、俗语 1、A liar is not believed when he speaks the truth. 说谎者即使讲真话也没人相信。 2、A little knowledge is a dangerous thing. 一知半解，自欺欺人。 3、All rivers run into sea. 海纳百川。 4、All roads lead to Rome. 条条大路通罗马。 5、All work and no play makes Jack a dull boy. 只会用功不玩耍，聪明孩子也变傻。 6、A bad beginning makes a bad ending. 不善始者不善终。 7、Actions speak louder than words. 事实胜于雄辩。 8、A faithful friend is hard to find. 知音难觅。 9、A friend in need is a friend indeed. 患难见真情。 10、A friend is easier lost than found. 得朋友难，失朋友易。 11、A good beginning is half done. 良好的开端是成功的一半。 12、A good beginning makes a good ending. 善始者善终。 13、A good book is a good friend. 好书如挚友。 14、A good medicine tastes bitter. 良药苦口。 15、A mother's love never changes. 母爱永恒。 16、An apple a day keeps the doctor away. 一天一苹果，不
2014年深二模英语试卷 2014.4 完形填空： One of the most important aspects of effective teamwork is effective leadership. This means that the team ____1_____ should have the skills to create a working culture that is___2_ , and in turn it will help to motivate. A good team leader also has to be able to _3_____ a high level of morale(士气) among the team members so that they feel _4______ and valued. When a team is created, there is purpose behind the _5_________ . Therefore, along with the reason for team creation, it’s als important that expectations from the team members are 6_______ marked out. The necessary resources in terms of people, money and time will have to be made _7____ to the team so that the team is able to meet the expectations. Individual team members will _8_____ their performance when managers or team leaders praise them highly. On the other hand, if someone on the team is not _9___ recognition, then they might become unhappy, and greatly reduce their productivity. However, no matter how good a team may be, conflicts will _10_____ occur some time or the other. The best way to counter(制止) this is to have proper methods of _11________ them. In fact, it is advisable for the team leader to actually sit with the parties in 12_______ and work out the differences between them, without taking 13________ and making sure to remain objective. And finally, 14_____ teamwork can only come about when the team leader sets a good example, which can be followed by the team members. In order to15 ________ the team committed, positive, and motivated, the team leader himself or herself has to have all these qualities. 1.A. member B. leader C. work D. culture 2.A. expensive B. sensitive C. passive D. positive 3.A. suppose B. educate C. promote D. explore 4.A. supported B. equipped C. replaced D. changed 5.A. teamwork B. aspect C. culture D. creation 6.A. clearly B. fairly C. softly D. Probably 7.A. reasonable B. believable C. available D. changeable 8.A. show B. improve C. react D. follow 9.A. given B. mad C. lost D. taken 10.A. impossibly B. hardly C. strictly D. certainly 11.A. protecting B. settling C.refusing D. accepting 12.A. conflict B. favour C. danger D. practice 13.A. lessons B. Courses C. Sides D. places 14.A. independent B. busy C. dull D. effective 15.A. expect B. keep C. find D. develop 语法填空： Fleming was a poor Scottish farmer. One day while working in a field, he heard a cry for help. He immediately _16___________ (throw) his tools away. Following the sound, Fleming came to a deep bog(沼泽）, in which a boy was screaming and sinking. Fleming tied a rope around 17_______ own waist and the other end _18________ a tree, and walked into the bog. With great effort he pulled himself and the boy to _19_________(safe). He quickly took the boy to his
2014济南二模英语试题与答案 第I卷（共105分） 第一部分英语知识运用（共两节，满分55分） 第一节单项填空（共10小题；每小题分，满分15分）l 从A、B、c、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。 1.-I’m terribly sorry to have put you through s o much trouble. -______. I know you didn’t mean to. A. Forget it B. My pleasure C. All right D. Go ahead 2.______I like about Cambridge is that there’s so much open space. A. Whether B. That C. What D. Where 3.______again later if the webpage you are looking for is temporarily unavailable. A. Try B. To try C. Having tried D. Trying 4. I never realized what an exciting life he had ______I read his book. A. after B. until C. while D. as 5. Help is greatly needed for families ______ homes were
destroyed in the bombing. A. which B. of whom C. of which D. whose 6. After______ dogs, the horse has had______ closest relationship with man. A. the; the B. the; a C. The;不填 D.不填; the 7.- How did you like your trip to Yunnan? - Wonderful indeed. We_______ with the local people happily. A. had danced B. danced C. were dancing D. have danced 8. Over 80 000 people competed in the race, _______ it the biggest sporting event in the area. A. having made B. to make C. made D .making 9. Stella_______ English fairly well, but she has got a strong French accent. A. spoke B. would speak C. speaks D. has spoken 10. _______your timely warning, we would have been unaware of the danger. A. Without B. In C For D. Against 第二节完形填空（共40小题；11~ 20每小题1分，满分10分；21~40每小题分，满分30分；共计40分）阅读下面短文，从短文后各题所给的四个选项（A、B、C和D）中选出可以填入空白处的最佳迭项，并在答题卡上
绝密 启用前 试卷类型：A 2012年深圳市高三年级第二次调研考试 理科综合 2012.4 生物部分 一、单项选择题 1.图示正常情况下溶酶体所含物质及其内、外环境的pH 值等， 下列哪项叙述与溶酶体有关的事实不相符合 A ．保持pH 值的稳定需要消耗三磷酸腺苷 B ．被溶酶体分解的产物都要排出细胞外 C ．能吞噬并杀死某些入侵的病菌或病毒 D ．其膜上具有特异性转运H +的载体蛋白 2. 下列有关哺乳动物受精作用和胚胎发育的说法，不正确的是 A.卵细胞内有机物分解的速率小于受精卵 B. 受精过程要依赖细胞膜上受体的识别作用 C. 胚胎的总体积随着受精卵的分裂而不断增大 D. 受精卵的分裂意味着新生命的发育过程开始 3．广东省与外界交往密切，气候温暖，适合生长的生物种类相对较多，使其成为全国外来入侵生物种类最多的省份之一。一般地说，外来物种大量繁殖 A ．可改变群落演替的方向 B ．不会降低基因的多样性 C ．能丰富物种的多样性 D ．有利于生态系统稳定 4．图示人体生长激素基因进行的某项生理活动，该基因中碱基T 为m 个，占全部碱基的比值为n 。下列分析合理的是 A ．该生理活动可发生在人体的所有细胞中 B ．②与③结构的区别是所含的五碳糖不同 C ．①中碱基的排列顺序改变均导致基因突变 D ．所产生的①中C 至少有（0.5n-1）m 个 5. 脱落酸能促进种子的休眠和果实的成熟，但在高温条件下会分解。小麦在即将成熟时，如果经历持续一段时间的干热后，遇大雨，种子就容易在穗上发芽。因为脱落酸 A.能抑制小麦种子的发育和脱落 B.高温降解后对发芽的抑制被解除 C.对果实的成熟与乙烯有拮抗作用 D.对种子的发芽和成熟起协同作用 6.下列有关动物丰富度的研究方法，正确的是 A.调查土壤动物丰富度——样方法和标志重捕法 B. 观察肉眼难识别的小动物——高倍显微镜观察 C. 统计土壤动物丰富度——记名计算法和目测估计法 D.调查水中小动物类群丰富度——生态缸进行培养 H +①
深圳市2019 年初中毕业生学业考试 英语试卷 第一部分选择题（60分） I.词汇测试（15分） i.从下面每小题的A、B、C三个选项中选出可以替换划线部分的最佳选项，并在答题卡上 将相应的字母编号涂黑。（共8小题，每小题1分） ( ) 1. --- Where shall we watch the light show tonight? --- On the top of Lianhua Mountain. It’s in the centre of our city. A.back B.middle C.front 【解析】B 句意：---今晚我们去哪里看灯光秀？---莲花山顶，它在我们城市的中心。centre，名词，意为“中央”；A选项back，意为“后面，后部”； B 选项middle，意为“中间，中部”；C选项front，意为“前面，正面”。故答案选B。 【考点】同义词转换 ( ) 2. --- Sarah seems to be confident about her performance tomorrow. --- So she is. She’s gotten prepared for it. A.sorry B.famous C.ready 【解析】C 句意：---莎拉似乎对她明天的表演很有信心。---是的。她已经准备好了。prepared，形容词，意为“事先准备好的”；A选项sorry，意为“抱歉的，遗憾的”；B选项famous，意为“著名的”；C选项ready，意为“准备好的”。故答案选C。 【考点】同义词转换 ( ) 3. --- I heard that your grandma lost her way in Dameisha yesterday. --- Yes. Luckily, a kind stranger managed to lead her back home. A.take B.pull C.put 1
2014 年深圳市高三年级第二次调研考试 本试卷共4页,20小题,满分150分.考试用时120分钟. 注意事项： 1.答卷前,请填写好答题卡与答题卷上的个人信息——班级、学号以及姓名. 一、选择题：本题共8小题,每小题5分,共40分,在每小题给出的四个选项中,只有一项是符 合题目要求的. 1．函数()ln 1y x =+的定义域是( ) A ．()1,0- B ．()0,+∞ C ．()1,-+∞ D ．R 2．方程4 10z -=在复数范围内的根共有( ) A ．1个 B ．2个 C ．3个 D ．4个 3．两条异面直线在同一个平面上的正投影不可能是( ) A ．两条相交直线 B ．两条平行直线 C ．两个点 D ．一条直线和直线外一 点 4．在下列直线中,与非零向量(),A B =n 垂直的直线是( ) A ．0Ax By += B ．0Ax By -= C ．0Bx Ay += D ．0Bx Ay -= 5．已知函数()y f x =的图象与函数1 1 y x = +的图象关于原点对称,则()f x 等于( ) A ． 11x + B ．11x - C ．11x -+ D ．1 1 x -- 6．已知ABC ?中,2 2 2 sin sin sin sin sin A B C B C =++,则角A 等于( ) A ． 6π B ．3π C ．23π D ．56 π 7．已知不等式422x x a y y +-≤+ 对任意的实数x 、y 成立,则常数a 的最小值为( ) A ．1 B ．2 C ．3 D ．4 8．如图1,我们知道,圆环也可以看作线段AB 绕圆心O 旋转一周所形成的平面图形,又圆环的面积 S =() ()2222 R r R r R r ππ+-=-?? .所以,圆环的面积等于是以线段AB R r =-为宽,以AB 中点 绕圆心O 旋转一周所形成的圆的周长22 R r π+? 为长的矩形面积. 请你将上述想法拓展到空间,并解决下列问题: 若将平面区域()() {} 2 22,M x y x d y r = -+≤(其中0r d <<)绕y 轴 旋转一周,则所形成的旋转体的体积是( ) A ．2 2r d π B ．22 2r d π C ．2 2rd π D ．2 2 2rd π
理科综合 可能用到的相对原子质量：H 1 O 16 Mg 24 P 31 Fe 56 Co 59 Ga 70 第I卷 一、选择题:本题共13小题，每小题6分，共78分。在每小题给出的四个选项中，只有一项 是符合题目要求的． 1．细胞膜上分布有载体蛋白和受体蛋白等功能蛋白，载体蛋白和受体蛋白的共同特点有A．与相关物质的结合具有特异性 B．相结合的物质均为小分子有机物 C．均能识别细胞外来的信息分子 D．其产生过程均由核糖体独立完成 2．下列有关分子与细胞的叙述，正确的是 A．利用重铬酸钾检测酒精时需要碱性环境 B．用含有双缩脲的物质可检测蛋白质的显色情况 C．用洋葱根尖分生区细胞难以观察到质壁分离现象 D．低温条件下保存过程的蛋白酶催化能力会丧失 3．图示最适浓度和p H 值条件下，反应物浓度对某种酶所催 化的化学反应速率的影响，有关分析正确的是 A．A 点时，适当提高温度可以提高反应速率 B．B 点时，酶的数量限制了反应速率的提高 C．B 点时，影响反应速率的条件主要是p H 值 D．C 点时，酶活性和化学反应速率升至最大值 4．科研人员将禁食一段时间的实验小鼠随机分为甲、乙、丙、丁4组，向甲、乙、丙3 组腹腔注射等量胰岛素溶液，丁组腹腔注射生理盐水，一段时间后，甲、乙、丙三组出现反应迟钝、嗜睡等症状，而丁组未出现这些症状，有关说法错误的是 A．通过该实验能探究胰岛素的生理作用 B．直接给乙注射葡萄糖有利于缓解症状C．给丙注射胰高血糖素有利于缓解症状 D．给丁注射胰岛素后能大幅度增加尿量5．将休眠状态的糖枫种子与湿沙混合后放在0~5℃的低温下1~2 个月，就可以使种子提前萌发。 图示糖枫种子在处理过程中各种激素含量的变化。由此可推测
2014深圳市中考英语调研试题 一、根据句意，选择与划线部分意思最接近的选项。 ( )1. Lang lang has a gift for playing the piano. A. talent B. wish C. present D. dream ( )2. Emma doesn’t feel like eating anything today because she has a bad cold. A. like eating B. want to eat C. like to eat D. hate eating ( )3. ---Are you available this evening? I have some questions for you. ---Sorry, I am not. I have piles of homework to do. A. have time B. happy C. free D. comfortable ( )4. ---How often do you write to your American friends? ---Once a month. And I heard from them yesterday afternoon. A. dropped by B. made friends with C. received a letter from D. made a phone call with ( )5. The whole class were over the moon after they won the football match. A. very frightened B. above the moon C. very angry D. feeling on top of the world 二、从下面的A、B、C、D四个选项中选出最佳答案。 ( )1. --Mary and I saw ______ film called Frozen last night. --Really? It is regarded as _________ most interesting film in the year. A. a; / B. an; the C. the; an D. a; the ( )2. -- How do you know that girl ________ a pair of glasses in red? -- Oh, she came to give us a speech ________ the morning of April 9th. A. with; in B. with; on C. about; at D. of; by ( )3. --We can find a large amount of ________ on the Internet. --But I think it is difficult for me to get ______ from it. A. messages; useful something B. news; useful anything C. newspapers; anything useful D. Information; something useful ( )4. -- It’s reported that the doctor in a kindergarten let the healthy children _______ medicine every day. --How terrible it is! And I heard that two children ________ because of it. A. take; were killed B. to take; is killed C. taking; were killing D. taken; killed ( )5. --May I have another copy? A friend of _______ want one, too? --I’m sorry you __________. There’s nothing left. A. mine; needn’t B. mine; can’t C. him; won’t D. me; mustn’t ( )6. --Eric hasn’t handed in his homework today, _______ he? --___________. Last night, he didn’t do his homework because of high temperature. A. has; Yes, he has B. hasn’t; Yes, he hasn’t C. has; No, he hasn’t D. hasn’t; No, he has ( )7. -- The soap opera named My love from the Star is ______hot that many classmates watch it every day. --Yes, ___________ young people have seen it since it was put online.
2014年广东省深圳市高考理科数学二模试题及答案解析 数学（理科） 一、选择题 1.函数)1ln(+=x y 的定义域是 A. )0,1(- B. ),0(+∞ C. ),1(+∞- D. R 2.方程014=-z 在复数范围内的根共有 A.1个 B. 2个 C. 3个 D. 4个 3.两条异面直线在同一个平面上的正投影不． 可能是 A.两条相交直线 B.两条平行直线 C.两个点 D.一条直线和直线外一点 4.在下列直线中，与非零向量),(B A n = 垂直的直线是 A. 0=+By Ax B. 0=-By Ax C. 0=+Ay Bx D. 0=-Ay Bx 5.已知函数)(x f y =的图像与函数1 1+=x y 的图像关于原点堆成，则=)(x f A. 11+x B. 11-x C. 11+-x D. 1 1--x 6.已知△ABC 中，C B C B A sin sin sin sin sin 222++=，则=A A. 6π B. 3π C. 32π D. 6 5π 7.已知不等式x x a y y 224+≤-+对任意实数y x ,都成立，则常数a 的最小值为 A.1 B. 2 C. 3 D. 4 8.如图1，我们知道，圆环也可看作线段AB 绕圆心O 旋转一周所形成的平面图形，又圆环的面积 2 2)()(22r R r R r R S +? ?-=-=ππ.所以，圆环的面积等于是以线段r R AB -=为宽，以AB 中点绕圆心O 旋转一周所形成的圆的周长22r R +?π为长的矩形 面积.请将上述想法拓展到空间，并解决下列问题： 若将平面区域d)r 0}()(|),{(2 22<<≤+-=其中r y d x y x M 绕 y 轴旋转一周，则所形成的旋转体的体积是
2014学年第二学期高三英语学科试卷 考生注意: 1. 考试时间120分钟，试卷满分150分。 2. 本考试设试卷和答题纸两部分。试卷分为第Ⅰ卷（第1—10页）和第Ⅱ卷（第10页）， 全卷共10页。第I卷第1-16小题、第41-77小题采用多项选择题形式，答案必须涂写在答题纸相应位置，写在试卷上无效。第I卷第17-40小题、第78-81小题和第II卷的试题，其答案必须写在答题纸相应位置，写在试卷上无效。 3．答题前，务必在答题纸上填写姓名、班级、学校和准考证号,并用铅笔在答题纸上正确涂写准考证号。 第I卷（共103分） Ⅰ. Listening Comprehension Section A Directions: In Section A, you will hear ten short conversations between two speakers. At the end of each conversation, a question will be asked about what was said. The conversations and the questions will be spoken only once. After you hear a conversation and the question about it, read the four possible answers on your paper, and decide which one is the best answer to the question you have heard. 1. A. In a restaurant. B. In a hair salon. C. At a tailo r?s shop. D. At the cinema. 2. A. Reading for relaxation. B. Going to a tea house. C. Going skiing. D. Flying kites. 3. A. Doctor and patient. B. Librarian and reader. C. Actor and actress. D. Waitress and customer. 4. A. At 2:00. B. At 3:00. C. At 4:4 5. D. At 5:15. 5. A. He?s capable of handling anything. B. He is a professional photographer. C. Cool weather makes perfect photos. D. The camera is easy to use. 6. A. He has gone to visit his mother. B. He has asked for a sick leave. C. He has found a new job in Europe. D. He has done something wrong. 7. A. They lived in the same neighbourhood. B. They went to the same college. C. He?s known Margie for a long time. D. It?s the first time he has met Margie. 8. A. The nearest post office is next to the police station. B. The man is working in the office building. C. The man ought to get off at the next bus stop. D. The post office is two blocks away from the police station. 9. A. He agrees on setting the bed. B. He wants to look for a place to live. C. He?d like to invite two friends to visit. D. He will change his phone number immediately. 10. A. Both of them are sports fans. B. The man wants to buy a fan to cool down.
深圳市2018届高三年级第二次调研考试 理科综合 可能用到的相对原子质量：H 1 O 16 Mg 24 P 31 Fe 56 Co 59 Ga 70 第I卷 一、选择题:本题共13小题，每小题6分，共78分。在每小题给出的四个选项中，只有一项 是符合题目要求的． 1．细胞膜上分布有载体蛋白和受体蛋白等功能蛋白，载体蛋白和受体蛋白的共同特点有A．与相关物质的结合具有特异性 B．相结合的物质均为小分子有机物 C．均能识别细胞外来的信息分子 D．其产生过程均由核糖体独立完成 2．下列有关分子与细胞的叙述，正确的是 A．利用重铬酸钾检测酒精时需要碱性环境 B．用含有双缩脲的物质可检测蛋白质的显色情况 C．用洋葱根尖分生区细胞难以观察到质壁分离现象 D．低温条件下保存过程的蛋白酶催化能力会丧失 3．图示最适浓度和p H 值条件下，反应物浓度对某种酶所催 化的化学反应速率的影响，有关分析正确的是 A．A 点时，适当提高温度可以提高反应速率 B．B 点时，酶的数量限制了反应速率的提高 C．B 点时，影响反应速率的条件主要是p H 值 D．C 点时，酶活性和化学反应速率升至最大值 4．科研人员将禁食一段时间的实验小鼠随机分为甲、乙、丙、丁4组，向甲、乙、丙3 组腹腔注射等量胰岛素溶液，丁组腹腔注射生理盐水，一段时间后，甲、乙、丙三组出现反应迟钝、嗜睡等症状，而丁组未出现这些症状，有关说法错误的是 A．通过该实验能探究胰岛素的生理作用 B．直接给乙注射葡萄糖有利于缓解症状C．给丙注射胰高血糖素有利于缓解症状 D．给丁注射胰岛素后能大幅度增加尿量5．将休眠状态的糖枫种子与湿沙混合后放在0~5℃的低温下1~2 个月，就可以使种子提前萌发。 图示糖枫种子在处理过程中各种激素含量的变化。由此可推测
Ⅰ. 选择填空(15分) 1.–Do you know _______girl who is standing under _______tree? –Of course! She is Lucy, my classmate. A. the。 the B. a。 a C. a。 / D. /。 the 2. –Are these books ______? –No, they are not mine. They belong to _______. A. your。 her B. yours。 her C. you。 hers D. yours。 she 3. –________will she stay here? --For ________. A. How soon。 one hour and a half B. How long。 one and a half hours C. How soon。 one and a half hours D. How long。 one hour and half 4. –Could you please tell me something about the two_______? –________. They are exchange students of No. 1 Middle School. A. Frenchmen。 Yes, please B. Frenchmans。 Come on C. Germen。 Not at all D. Germans。 All right 5. –There is a smile on Miss Gao’s face. She must be _______with Sam’s work. –I think so. No one did as _______as him in our class. A. angry。 well B. pleasing。 good C. strict。 good D. pleased。 well 6. –He, together with his parents, ______going to vist Shanghai in July. How about you? –I’m afraid I have to stay at home ________. A. are。 on my own B. is。 by myself C. is。 by my own D. are。 on myself 7. –Do you often go swimming _______Sunday mornings? –Yes. Why not ________with me this Sunday? A. on, go B. in, to go C. on, going D. in, going 8. –Must I return the book this week? –No, you ______. You can ______it for 20 days. A. mustn’t。keep B. needn’t。borrow C. needn’t。keep D. mustn’t。borrow 9. –The doctor told me _______too much but I find it difficult. –The doctor is right. The less you drink, ______you will be. A. don’t drink。 the healthier B. not to drink。 the healthier C. not to drink。the more healthier C. don’t drink,。 healthier 10. –When should I hand in my paper?--Your paper must _____as soon as the bell ________. A. hand in。 rings B.hand in。 will ring C be handed in。 will ring D. be handed in。 rings 11. –Mr. Lee ______to a student when I entered the classroom this morning.
实用文档学年第二学期综合练习（二）2013—2014 北京市东城区英语初三 2014.6 _____________ 姓名_____________ 考号学校_____________ 班级_____________ 120 分钟。120 分，考试时间考12 1．本试卷共页，满分2生．在试卷和答题卡上准确填写学校名称、姓名和考号。须3．试题答案一律填涂或书写在答题卡上，在试卷上作答无效。2B 铅笔作答，其他试题用黑色字迹签字笔作答。4．在答题卡上，选择题用知 5．考试结束，请将本试卷和答题卡一并交回。 听力理解（共26 分） 一、听对话，从下面各题所给的A、B、C 三幅图片中选择与对话内容相符的图片。每段对话你将听两遍。（共4 分，每小题1 分） 1.
A. B. C. 2. A. B. C. 3. 大全． 实用文档
B. A. 4. C. A. B. 三个选项中选择C B、二、听对话或独白，根据对话或独白的内容，从下面各题所给的A、分）1 最佳选项。每段对话或独白你将听两遍。（共12 分，每小题6 小题。请听一段对话，完成第5 至第 5.What food does the man want to have? C. A cake. B. A pizza. A. A hamburger. 6.How much does the man pay? C. $9. B. $8. A. $7.
8 小题。请听一段对话，完成第7 至第s trouble? '7.What's the man 'A. He cant find his way. 'B. He doesnt have any money. t know how to buy a ticket. 'C. He doesn大全． 实用文档 8.Where are the speakers? A. In a science museum. B. At a train station. C. At a movie theatre. 请听一段对话，完成第9 至第10 小题。 9. When will they have the class party? A. On Wednesday. B. On Thursday. C. On Saturday. 10. What is Mark going to do for the party? A. To choose a video. B. To make some food. C. T o prepare the party games. 请听一段对话，完成第11 至第13 小题。 11. What kind of gift does the girl want to buy for Uncle Tom? A. A big one. B. A special one. C. An expensive one. 12. What does the girl decide to buy in the end?
2015年深圳市中考英语真题 第一部分选择题（60分） Ⅰ. 词汇（15分） ⅰ. 从下面每小题的A、B、C三个选项中选出可以替换划线部分的最佳选项，并在答题卡上将相应的字母编号涂黑。（共8小题，每小题1分） ( ) 1. ---Dad, I’m considering going to Italy to study art this year. ---In my opinion, studying abroad is not suitable for teenagers. A. I don’t agree B. I think C. In general ( ) 2. ---Have you heard from Sarah recently? ---No. I lost touch with her two years ago. A. heard about B. written to C. got a letter from ( ) 3. ---We are going to hold a party to raise money for our club this weekend. ---Sounds great! I will help you if I am available. A. busy B. free C. pleased ( ) 4. ---They are always making fun of Tom after class. It is rude. ---You are right. Everyone should be respected. A. fighting with B. quarreling with C. playing a joke on ( ) 5. ---You should not shout at your classmates. You need to apologize. ---I’m sorry. I promise it won’t happen again. A. say sorry B. say goodbye C. say hello ( ) 6. ---You look so tired. What’s wrong? ---I couldn’t sleep well last night. The noise outside my house almost drove me mad. A. made me drive crazily B. made me awake C. made me crazy ( ) 7. ---I went on a fantastic trip to Thailand last summer. ---Wow! Thailand is a beautiful country. I hope I can go there someday. A. terrible B. wonderful C. frightening ( ) 8. ---How about staying longer and having one more drink? ---Sorry, I have to hit the road now. My wife is waiting for me at home. A. leave B. build the road C. dig holes ⅱ. 根据句子意思，从下面每小题的A、B、C三个选项中选出恰当的词语完成句子， 并在答题卡上将相应的字母编号涂黑。（共7小题，每小题1分） ( ) 9. A __________ shows the days, weeks and months of a year. A. calendar B. festival C. journey ( ) 10. I don’t have enough money to buy a car means I can’t __________ a car. A. rent B. borrow C. afford ( ) 11. ---You’re coughing a lot. You’d better __________ smoking now. ---That’s really hard for me. A. give up B. go on C. set up ( ) 12. ---Nowadays, video games are very __________ with teenagers.