Unit 1 School life同步练习(七)
总分100分时间40 分钟成绩评定__________________
预习
I. 介词填空：（每题1分，共10分）
1. A We didn’t go to bed ______ very late last night.
2. A Everything is filled ______ new life.
3. A Make the room ready _________ the meeting.
4. A You should spend more time _________ your study.
5. A She is worried ______ her sick mother.
6. B The man can’t repair my bike ________ a tool.
7. B I prefer doing ______ talking.
8. A I had a glass of milk and a piece of bread ______ breakfast.
9. B We must keep the children _______ playing near the river.
10.B I am sorry that I haven’t replied _______ your letter for so long.
课堂
II. 填空题：(每题2分，共10分) A
This is the Benny Roberts Jazz Club with information for
performances on Friday 6th and Saturday 7th. Playing on
those evenings are the Strange-and-Easy Band, and
performances start at 9 o’clock. Entrance for members is
$ 15 and $21 for others. Tables can be booked by ringing
this number (212)689-7569.
JAZZ CLUB: _____________________________
BAND: ________________________________
TIME : ________________________________
PRICES: ________________________________
OTHERS : Friday 6th and Saturday 7th ; Tables can be booked
TEL : _______________________________________
III. 阅读理解：(每题3分，共15分)
Lv (Leave Boston) Ar. (Arrive) Midway Ar. New York 5:10 AM EX (Except) Sunday 7:00 AM 10:45 AM 7:10 All daily 9:00 AM 12:45 PM 9:10 AM EX. Sat. a. Sun. 11:00 AM 2:45 PM
1. B How many times a week does the 9:10 AM train arrive in New York from Boston?
A. 6 times
B. 5 times
C. 7 times
D. 2 times
2. B What is the shortest time between Boston and New York by train?
A. 5 hours 35 minutes
B. 5 hours 5 minutes
C. 4 hours 30 minutes
D. 4 hours 25 minutes
3. B You have a luncheon date (约会) at Midway on Sunday. What time must you leave Boston in order not to be too late?
A. 5:00 AM
B. 7:10 AM
C. 9:10 AM
D. 10:00 AM
4. B How many trains have to spend over five hours on the way from Boston to New York?
A. 5
B. 3
C. 7
D. 2
5. B On Christmas Day, how many trains at least can you take from Boston to New York ？
A. 2
B. 4
C. 5
D. 3
IV . 选出与划线部分意思相近的选项：（每题3分，共15分）
1. C Hearing that his son was in trouble, Mr. Smith sat there with a heavy heart.
A. 精神错乱
B. 心脏病发作
C. 心情沉重
D. 冥思苦想
2. B The medicine is of good quality. And it comes into place soon.
A. 起作用
B. 起副作用
C. 进入状态
D. 作用消失
3. C Every time he works at his lessons, he always pulls a long face.
A. 拉长着脸
B. 兴致勃勃
C. 愁眉苦脸
D. 心情沉重
4. B There is a bit of blue sky. I think you ’d better go on with your research work.
A. 雨过天晴
B. 希望渺茫
C. 万里无云
D. 还有一线希望
5. A He is a green hand. We should give him much help.
A. 生手
B. 绿手
C. 能手
D. 老手
V . 书面表达：（25分） B
假如你是江苏省启东中学高一实验班的班长，请你根据下面的一个布告向全班同学做一个口头通知。
Notice
Speaker: Professor Chen Ming from Nanjing University
Subject: How to read the famous novel David Copperfield by Dickens —an English writer
Time: 2:30 p.m., Wednesday, July 15
Place: the reading-room of our school
________________________________________________________________________________
________________________________________________________________________________ ________________________________________________________________________________
____________________________________________________________________
________________________________________________________________________________ ________________________________________________________________________________ _______________________________________________________________________
答案
I. 1. until 2. with 3. for 4. on 5. about 6. without
7. to 8. for 9. from 10. to
II. Benny Robert Jazz Club; Strange-and-Easy Band; 9 o’clock ;
$ 15 for members and $21 for others; (212)689-7569
III. BCBBC
IV. CACDA
V. One possible version:
Comrades, I have a few things to tell you. On Wednesday afternoon, July 15, there will be a talk on how to read and understand the novel David Copperfield by Dickens, an English writer. The speaker is Chen Ming from Nanjing University and the talk is to begin at 2:30 pm in the reading-room of our school. Please be there on time.
That’s all. Thank you.
沭阳县怀明中学2013-2014学年度高一下学期期末考试 物理试题 一、选择题 1．下列关于速度和加速度的说法中，正确的是（） A. 物体的速度越大，加速度也越大 B. 物体的速度为零时，加速度不一定为零 C. 物体的速度变化量越大，加速度越大 D. 物体的速度变化越快，加速度越大 B．图线2反映金属导体的电阻随温度的变化关系 C．图线1反映金属导体的电阻随温度的变化关系 D．图线2反映半导体材料的电阻随温度的变化关系 3．吊在大厅天花板上的吊扇的总重力为G，静止时固定杆对吊环的拉力大小为F，当接通电源，让扇叶转动起来后，吊杆对吊环的拉力大小为F′，则有( ) A．F＝G，F′＝F B．F＝G，F′>F C．F＝G，F′
B．木块受到的最大静摩擦力可能为0.6N C．在这五次实验中，木块受到的摩擦力大小只有三次是相同的 D．在这五次实验中，木块受到的摩擦力大小只有两次是相同的 7．如图所示电路中，R2=R3=20Ω，R4=10Ω，r=1Ω，当滑动变阻器的滑动头P向左滑动时， D．ΔI1一定小于ΔI2 8．如图所示，用长为L的细绳拴着质量为m的小球在竖直平面内做圆周运动，则下列说法中正确的是 A．小球过最低点时绳子的拉力有可能小于小球重力 B C．小球在最高点时绳子的拉力不可能为零 D．小球在圆周最高点时所受的向心力一定为重力 9．有两个光滑固定斜面AB和BC,A和C两点在同一水平面上,斜面BC比斜面AB长(如图)。一个滑块自A点以速度vA上滑,到达B点时速度减小为零,紧接着沿BC滑下。设滑块
江苏省海安高级中学2021届高三上学期第一次调研 考试英语试题 学校_________ 班级__________ 姓名__________ 学号__________ 一、阅读选择 1. The 2015 Alameda County Fair The 2015 Alameda County Fair runs Wednesday, June 17 through Sunday, July 5. It is open Tuesday through Sunday from 11 a. m. to 11 p. m. Fair Favorites will include horse racing, exhibits, animals, food, rides, games, pig races, kids’ attractions, special event days and more. ◆ Activities: Big O Tires FREE Concerts: 8p.m.-9:15p.m, nightly. Special effects show with video tribute to local heroes, immediately following concerts. Horse Racing :Thursday through Sunday, June 18～21 , June 25 ～28, and July 2～5. Fans of fair food can also look forward to the return of the SNACKDOWN, where food vendors offer up new menu items to compete for the prized championship belt. A live judging event to decide the championships will be held at the Fair on Friday, June 21 at 4 p. m. The 4th of July of Fireworks Show comes back in grand style, this time, set to live music performed by the Oakland East Bay Symphony. The Blues Festival runs all day from 1 p. m. to 9 p. m. , followed by the Fireworks Show at 9:30 p. m. The Fair will celebrate Father’s Day, Sunday, June 21, with special attractions and promotions just for dads, including Brew Haven, a craft beer festival held during the first week of the Fair. ◆ Address: Alameda County Fairgrounds, 4501 Pleasanton Ave., Pleasanton, CA 94566, ( 925) 426-7600 ◆ Gate Admission:
2019-2020学年度第二学期高一年级物理月考试题 一、单项选择题 1.如图所示，一块可升降白板沿墙壁竖直向上做匀速运动，某同学用画笔在白板上画线，画笔相对于墙壁从静止开始水平向右先匀加速，后匀减速直到停止．取水平向右为x轴正方向，竖直向下为y轴正方向，则画笔在白板上画出的轨迹可能为() A. B. C. D. 【答案】D 【解析】 【分析】 找出画笔竖直方向和水平方向的运动规律，然后利用运动的合成与分解进行求解即可； 【详解】由题可知，画笔相对白板竖直方向向下做匀速运动，水平方向先向右做匀加速运动，根据运动的合成和分解可知此时画笔做曲线运动，由于合力向右，则曲线向右弯曲，然后水平方向向右减速运动，同理可知轨迹仍为曲线运动，由于合力向左，则曲线向左弯曲，故选项D正确，ABC错误． 【点睛】本题考查的是运动的合成与分解，同时注意曲线运动的条件，质点合力的方向大约指向曲线的凹侧． 2.牛顿在思考万有引力定律时就曾想，把物体从高山上水平抛出，速度一次比一次大，落点一次比一次远．如果速度足够大，物体就不再落回地面，它将绕地球运动，成为人造地球卫星．如图所示是牛顿设想的一颗卫星，它沿椭圆轨道运动．下列说法正确的是 A. 地球的球心与椭圆的中心重合 B. 卫星在近地点的速率小于在远地点的速率 C. 卫星在远地点的加速度小于在近地点的加速度
D. 卫星与椭圆中心的连线在相等的时间内扫过相等的面积 【答案】C 【解析】 根据开普勒定律可知，地球的球心应与椭圆的一个焦点重合，故A 错误；卫星在近地点时的速率要大于在远地点的速率，故B 错误；根据万有引力定律2Mm G ma r =，得2 M a G r =，故卫星在远地点的加速度一定小于在近地点的加速度，故C 正确；根据开普勒第二定律可知，卫星与地球中心的连线在相等的时间内扫过相等的面积，而与椭圆中心的连线不能保证面积相同，故D 错误；故选C ． 3.美国火星探测器“洞察”号于2018年11月27日成功登陆火星，已知火星与地球绕太阳公转的轨道半径之比为3︰2，火星与地球的质量之比为1︰10，火星与地球的半径之比为1︰2，则 A. 火星绕太阳的公转周期小于1年 B. “洞察”号减速下降登陆火星的过程中处于失重状态 C. 火星绕太阳公转的向心加速度比地球小 D. 地球和太阳的 连线与火星和太阳的连线在相等时间内扫过的面积相等 【答案】C 【解析】 【分析】 研究火星和地球绕太阳公转，根据万有引力提供向心力，列出等式再去进行比较．根据万有引力等于重力表示出重力加速度，再去进行比较． 【详解】A 项：研究火星和地球绕太阳公转，根据万有引力提供向心力得出：22 24Mm G mr r T π= ，得： 2T =M 为太阳的质量，r 为轨道半径．火星的轨道半径大于地球的轨道半径，通过T 的表达式发现公转轨道半径大的周期长，即火星公转的周期比地球的长即大于1年，故A 错误； B 项：“洞察”号减速下降登陆火星的过程中具有向上的加速度，所以处于超重状态，故B 错误； C 项：研究火星和地球绕太阳公转，根据万有引力提供向心力得出：2Mm G ma r =，得：2GM a r = M 为太阳的质量，r 为轨道半径．火星的轨道半径大于地球的轨道半径，通过a 的表达式发现公转轨道半径大的向心加速度小，即火星公转的向心加速度比地球公转的向心加速度小，故C 正确； D 项：对同一个行星而言，太阳行星的连线在相同时间内扫过的面积相等，故D 错误． 故选C ． 【点睛】要比较一个物理量大小，我们应该把这个物理量先表示出来，在进行比较．向心力的公式选取要
江苏省沭阳县怀明中学2012-2013学年度第一学期期中考试 高二生物试卷（必修） 时间：75分钟总分：100分 一、选择题（每小题只有一个正确答案，请将正确答案填涂于答题卡上，35小题，每小题2分，共70分） 1．下图表示内环境成分间的关系，正确的是 2．人体出现下列哪种情况时，最可能导致内环境稳态被破坏 A．中等强度运动，人体产生二氧化碳和少量乳酸 B．夏天气温较高，人体汗液分泌增多 C．进食后，小肠对葡萄糖吸收增多 D．肾脏功能受损，代谢废物积累 3.下列物质中不属于人体内环境组成成分的是 A．钙离子B．氨基酸C．呼吸酶D．血浆蛋白 4．关于内环境稳态调节机制的现代观点是 A．神经调节 B．体液调节 C．神经—体液调节 D．神经—体液—免疫调节 5．人体内神经元生活的内环境是 A．血液 B．血浆 C．组织液 D．淋巴 6．下列有关人体体液的叙述，正确的是 A．体液是人体内的液体，都存在于细胞内 B．体液是构成人体内细胞生活的液体环境 C．体液包括细胞内液和细胞外液两部分 D．体液包括细胞内液和血液两部分 7．血液、组织液、淋巴三者关系示意图如下所示，图中箭头代表的物质或结构错误的是 A．①血浆 B．②组织液 C．③水 D．④红细胞 8．2012年10月23日为了迎接“专家送教活动”，我校组织各班级同学进行跑步训练，事后
有的同学腰酸背痛，长时间运动引起机体缺氧时，引起pH变化的物质和能起缓冲作用的物质分别是 A．CO 2、Na 2 CO 3 B．乳酸、NaHCO 3 C．CO 2 、H 2 CO 3 D．乳酸、NaCl 9．奶被人们誉为“最接近完美的食品”，更有“白色血液”之称，奶中的营养物质进入人体细胞的途径是 A．奶→循环系统→消化系统→内环境→细胞 B．奶→消化系统→循环系统→内环境→细胞 C．奶→内环境→消化系统→循环系统→细胞 D．奶→循环系统→内环境→消化系统→细胞 10．在一条离体神经纤维的中段施加电刺激，使其兴奋。下图表示刺激时膜内外电位变化和所产生兴奋的传导方向（横向箭头表示传导方向），其中正确的是 11．人体接种流感疫苗，一段时间后体内会出现相应的抗体。人体产生抗体的细胞是 A．吞噬细胞 B．T细胞C．靶细胞D．浆细胞 12．人的体温调节中枢位于 A.下丘脑 B.小脑 C.皮肤 D.大脑皮层 13．下图为甲状腺激素分泌的分级调节示意图，①代表的激素名称是 A．促甲状腺激素 B．胰岛素 C．胰高血糖素 D．性激素 14．人体完成某一反射活动的结构基础是 A．神经元 B．反射弧C．神经中枢 D．神经纤维 15.在饲养家蚕时，为提高蚕丝的产量，常在喂养家蚕的桑叶上喷洒一定浓度的某种激素。这种激素应是 A.脑激素 B.保幼激素 C.蜕皮激素 D.生长激素 16．饭后，大量的葡萄糖吸收到人体内，此时 A．胰岛素和胰高血糖素分泌都增多 B．胰岛素分泌减少胰高血糖素分泌增多C．胰岛素和胰高血糖素分泌都减少 D．胰岛素分泌增多和胰高血糖素分泌减少17．10月24日特级教师许大成在我校高一（3）班授政治课时，表扬了同学们的精彩表现，同学们学习热情高涨，此时大家体内发生的调节是 A．神经调节 B．体液调节和激素调节 C．激素调节 D．神经调节和体液调节 18．2012年伦敦奥运会反兴奋剂工作的难度加大。如“类胰岛素生长因子”能增强人的肌肉
Unit 2 The environment 同步练习(一) 总分 100分 时间 40 分钟 成绩评定 __________________ I. 学生习作欣赏：A Save our earth With the development of society, the earth is being damaged by people who are seeking comfort at all costs. The sky is no longer blue. The air is no longer fresh. The rivers are no longer clean. Many animals and plants are disappearing from the earth. And the size of deserts is growing rapidly every year. Our planet has been seriously polluted. There are many reasons for this. First, many paper mills send out waste water and smoke that are not processed. Second, the expansion of large cities also brings about terrible pollution. Nowadays, waste gas and everyday rubbish have become big problems. Third, a huge number of trees are cut down each year. Whenever there is a strong wind, the top soil is blown away. Sandstorms badly affect people’ s lives and health. We all know that we have only one home. If we continue polluting it, the earth will turn out to be a planet which is unfit for us to live on. To save the earth means to save ourselves. Let’s take action without any delay. Let’s try our best to save the earth, our home. II. 阅读下文，完成后面问题： Wuzhen (乌镇), an ancient river town On both sides of a stone-paved street stand pubs, restaurants, pawnshops(当铺), and other businesses all housed in brown wooden buildings. Long rivers flow through the town, with stone bridges of various designs going over them. The Beijing-Hangzhou Grand Canal (京杭大运河) passes by. Old waterside houses and outside corridors(走廊) can be found here and there. This is the ancient river town of Wuzhen. Wuzhen Town, in Tongxiang City, Zhejiang Province, has a history of more than 1,000 years. Of the ancient residential houses, workshops, and stores still standing on the banks of the rivers 169,600 square meters, making up 81.54 percent of the town's total area, have remained unchanged, giving it an old feeling Tradition is still very alive in Wuzhen. In addition to flower-drum operas, shadow-puppet show, and temple fairs, Wuzhen also attracts visitors with its time-honored art of making indigo-dyed printed calico(靛青印花布). Wuzhen is at its best on rainy days. Wandering with an umbrella along a quiet old lane(巷子) past the centuries-old wooden houses and seeing the rain flow off the engraved eaves(木雕屋檐) that cover the doorways is an amazing experience. The falling raindrops make ripples(波纹) on the surfaces of the rivers, while boats travel to and fro. The waterside pavilions(亭子), corridors, and the arched bridges make a charming scene. People in Wuzhen live a simple life. Many of them breed silkworms and raise flowers. They have mostly kept the tradition of buying fruits and vegetables from trade boats through the windows of their waterside houses. They benefit from a perfect harmony of man and nature. Wuzhen has been included by UNESCO (联合国教科文组织) in the list of World Cultural Heritages. 1. A Choose a word from the above text which can properly describe each of the following things. The selected words should be different: （每题5分，共35分） 1) ________ town 2) ________ streets 3)________houses 4) _______ rivers 5) _________ bridges 6)_________ lanes 预习 课堂
江苏省海安高级中学2020学年高一英语3月月考试题（创新班） 第I卷(三部分共65分) 一、单项选择（共15小题；每小题1分，满分15分） 1. We regret to inform you that there are no tickets ______ for Friday’s performance. A. accessible B. acceptable C. available D. suitable 2. —My Goodness! Somebody ______ my umbrella. —Don’t worry. You can share mine. A. took B. has taken C. had taken D. is taking 3. The number of smokers, ______ is reported, has dropped by 17 percent in just one year. A. it B. which C. what D. as 4. Not until recently ______ the development of tourist-related activities in the rural areas. A. they had encouraged B. had they encouraged C. did they encourage D. they encourage 5. Many young people, most ______ were well-educated, headed for remote areas to follow their dreams. A. of which B. of them C. of whom D. of those 6. It is one of the ugliest faces I have ever seen. I’ve never seen ______.
Unit 2 Growing pains 同步练习(四) 总分 100分 时间 45 分钟 成绩评定 __________________ I. 说出turn up 在下列各句中的中文意思：(每题2分，共10分) 1. A We had planned to meet at the station, but he didn ’t turn up . 2. A Turn up the dictionary if you cannot spell the word. 3. A Turn the radio up a little. I can hardly hear the program. 4. B The sight of all that blood quite turn s me up . 5. B He turned the coat collar up because of the wind. II. 用所给短语的适当形式填空：（每题2分，共20分） 1. B We don ’t want to ___________ the young man. 2. A Tom is very untidy; he always leaves his room ___________. 3. A We __________ (not) smoking in this building. 4. B Oh dear! My coat ___________ in the bus. 5. B —— They don ’t agree with my idea? —— Well, that ’s __________. 6. C What ’s wrong with the cake? It is still _____________. 7. B ___________ the gas; vegetables should be cooked quickly. 8. A It is __________ your talking to him. 9. A As soon as he heard the good news, he ___________ go home to tell it to his parents. 10. C She lost her job and had to return to ________________. III.相似词语辨析：（共10分） Holiday / vacation ①A The summer _____ usually begins at the beginning of July. ②A He is away on _________. ③B Christmas is a ______ for everybody in the West. ④C In Britain, universities have ___________ while schools have _________. ⑤A We had ________ and so we went to the seaside. IV . 将表中的短语填入相应的句中：（共10分） 预习 课堂 to be expected a waste of time in a mess turn up go untouched can ’t wait to be supposed to the kitchen sink be hard on leave behind at the moment at any moment for a moment for the moment in a moment after a moment the moment
2019--2020学年度第一学期第一次阶段测试 高一数学试题 一、选择题（每个小题5分，共60分） 1.已知集合A ＝{1，3，5}，B ＝{3，5，7}，则A∩B＝（ ） A. {1，3，5，7} B. {1，7） C. {3，5} D. {5} 2.函数f （x ） A. （﹣∞，1] B. （﹣∞，0） C. （﹣∞，1) D. （0，1] 3.下列函数既是偶函数，又在（0，+∞）上为增函数的是（ ） A. y x = B. y ＝2x - C. y ＝|x| D. 1 y x = 4.设集合{|12,}A x x x N =-≤≤∈，集合{2,3}B =，则A B 等于 A. {1,0,1,2,3}- B. {0,1,2,3} C. {1,2,3} D. {2} 5.已知一次函数f （x ）＝ax+b 满足f （1）＝0，f （2）＝﹣1 2，则f （x ）的解析式是（ ） A. ﹣1 2（x ﹣1） B. 1 2（x ﹣1） C. ﹣1 2（x ﹣3） D. 1 2（x ﹣3） 6.已知集合2{|}A x x x ==，{1,,2}B m =，若A B ?，则实数m 的值为（ ） A. 2 B. 0 C. 0或2 D. 1 7.已知一个奇函数的定义域为{}1,2,,a b -，则a b += A. 1- B. 1 C. 0 D. 2 8.已知集合A ＝{﹣2，0，1，3}，B ＝{x|﹣5 2＜x ＜3 2}，则集合A∩B 子集个数为（ ） A. 4 B. 8 C. 16 D. 32 9.已知集合{}{21,,M y y x x R N y y ==+∈==，则M N =（ ）
Unit 3 Science versus nature 同步练习(三) 总分 100分 时间 45 分钟 成绩评定 __________________ I. 根据首字母提示或中文提示补全单词: （每题2分，共20分） 1. A S__________ has many fathers, but failure is an orphan. 2. B I want you to live and learn for the b__________ of mankind. 3. B In c______________ of your bad work, I am forced to dismiss you. 4. A His educational ideas were in a_____________ of his time. 5. C We said things would turn out well, and s__________ enough they did. 6. A I ___________(完全) disagree with almost everything we ’ve heard from him. 7. A Do you find it hard to keep up with the ______________(医学) development? 8. A Using other people for your own profit is an _____________ (不道德) action. 9. B During the summer vacations, some teachers attend __________(研究班) at college. 10. B As they had no children of their own, they ___________ (领养) an orphan. II. 翻译下列句子：（每题6分，共30分） 1. A 这里的食物比上海便宜，而衣服却要贵些。 (on the other hand) ______________________________________________________________________ 2. A 既然这问题解决了，那就没有什么能够阻止我们推行这项新计划。 (push ahead with) _____________________________________________________________________ 3. B 越来越多的人将从这一重大发明中受益。 (benefit from) ____________________________________________________________________ 4. A 你学习很努力，所以通过了考试。 ( in consequence) ____________________________________________________________________ 5. A 我们的晚餐以水果和咖啡结束。 (end up) ___________________________________________________________________ III. 阅读理解：（每题5分，共25分） Ahhh, the great outdo ors! You can’t beat it, can you? Clean air and beautiful countryside are just what So you want to go? Well, first of all, where will you camp? There are camping grounds all over China. Do you want to explore lakes, mountains, the forest or the seaside? The choice is yours! You will need a tent. Most tents are made of light, brightly-coloured material and are easy to put up. They come with a groundsheet, which stops water gett ing in, as well as a fly screen, so that bugs don’t fly into your tent at night. Take a sleeping bag and sleeping mat. Check the weather! Are you going somewhere cold or hot? You can buy sleeping bags of different thicknesses. Make sure you bring the right clothes. If you want to go hiking, you will need a strong pair of walking boots, some lightweight trousers, and a waterproof coat. A good map and compass are needed too. Cooking outside is fun. Make sure you put your camping stove far away from the tent, too close and you might cause a fire. Bring packaged food as you will not have a refrigerator. Also, plastic cups and plates are lighter to carry than china. Make sure you bring enough clean water. Taking water from streams and lakes is dangerous, as it 预习 课堂 创新
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Unit 3 Back to the past 同步练习(八) 总分 75分 时间 30 分钟 成绩评定 __________________ I. 诠释经典广告语：(每题5分，共20分) A 好的广告当然离不开好的广告语。下面是一些世界知名品牌的广告图片以及经典的英文广告语。请从中选出与图片相对应的广告语。 总分 100分 时间 40 分钟 成绩评定 __________________ I. 根据英文解释写单词：（每题1分，共5分） 1. A group of countries or states under a single ruler or ruling power 1. _________ 2. A disorder; mistaking of one person or thing for another 2. ____________ 3. B power to produce an effect; action of natural forces 3. ____________ 4. A poems collectively or in general 4. ____________ 5. A cause the downfall or defeat of (sb./ sth.); put an end to 5. ____________ II. 根据首字母提示或中文提示补全单词：（每题2分，共20分） 1. 1. A The official name of China is the People ’s R___________ of China. 2. B There has been some c__________ of names. 3. A There was also serious f_________ during 1916 on the Italian and on the Russian fronts. 4. A Guo Xiaochuan is my favorite p_________. 5. A The book had a great i____________ on his life. 6. B Mother and child were ___________(重新团聚) after years of separation. 7. B This is the physical process of rock ______________ (形成). 8. A The climbers tried to find a new ____________ (路线) to the top of the mountain. 9. B Are there any ______________ (相似之处) between Geothe and Byron? 10. B Mary must go home now, and Peter ____________(也同样). III. 填空题：（每题2分，共40分） B Three hundred years ago, the Russian Czar Peter the Great built a new capital — St. Petersburg. Many palaces were built during his lifetime. The palaces were large and beautiful, and they often looked (1) l_______ something out of a fairy tale. St. Petersburg has also been the (2) p_______ of many important events in history. In 1941, the Germans tried to destroy the city. It was (3) u________ attack for 900 days, but the people of the city never (4)g________ in. The Germans burned many of' the palaces as they left. St. Petersburg was almost in (5) r________. Fires were burning everywhere. Buildings were destroyed, and paintings and statues (6) l________ in pieces on the ground. Restoring the city and cultural relics seemed impossible, but the people of this great city would not give up, “We will not (7) s_________ our history and culture destroyed, and we will do everything we can to (8) r ________ our city.” When the Nazis had gone, the people of St. Petersburg (9) b_________ rebuilding the city. 预习 课堂 预习
2018-2019学年江苏省宿迁市沭阳县八年级（上）期中数 学试卷 一、选择题（本大题共8小题，共24.0分） 1.如图美丽的图案中是轴对称图形的个数有（） A. 1个 B. 2个 C. 3个 D. 4个 2.到三角形三个顶点的距离相等的点是三角形（） A. 三条角平分线的交点 B. 三条高的交点 C. 三边的垂直平分线的交点 D. 三条中线的交点 3.三角形的三边长a、b、c满足a2-c2=b2，则此三角形是（） A. 钝角三角形 B. 锐角三角形 C. 直角三角形 D. 不能确定 4.如图，△ACB≌△A′CB′，∠BCB′=32°，则∠ACA′的度 数为（） A. B. C. D. 5.如图，Rt△ABC中，∠B=90°，ED垂直平分AC，ED 交AC于点D，交BC于点E．已知△ABC的周长为 24，△ABE的周长为14，则AC的长度为（） A. B. ，14 C. D. 6.如图，△ABC的三边AB，BC，CA长分别是20，30，40， 其三条角平分线将△ABC分为三个三角形，则S△ABO：S△BCO： S△CAO等于（） A. 1：1：1 B. 1：2：3 C. 2：3：4 D. 3：4：5 7.若三角形的三边长分别为3、4、5，则它最短边上的高为（） A. B. C. 3 D. 4 8.如图，在直线1上依次摆放着四个正方形和三个等腰直角三角形（阴影图形），已 知三个等腰直角三角形的面积从左到右分别为1、2、3，四个正方形的面积从左到右依次是S1、S2、S3、S4，则S1+S2+S3+S4的值为（） A. 4 B. 5 C. 6 D. 8 二、填空题（本大题共10小题，共30.0分） 9.已知等腰三角形的两条边长分别为3和7，那么它的周长等于______．