篇一：期末综合检测试卷答案
期末综合检测试卷答案
一、 选择题
1-5 BBDAB 6-10 DAADD 11-15 BACCD
二、填空与简答题
+3
- 16、（1）①2OH② Al2O3
（2）①2个甲烷分子 ② 一个甲烷分子中含有4个氢原子
17、（1）2 （2）过滤 （3）C
点燃
18、（1）S+O2 ====S O2发出明亮的蓝紫色火焰，产生一种有刺激性气味的气体，放出热量
（2）O2 （3）B(4)也不能支持燃烧，且密度比空气大
19、（1）40.08 （2）失（3）20
点燃
20、（1）CH4+2 O2====CO2+H2O (2)爆炸 （3）严禁烟火（通风透气）
三、实验与探究
21、猜想：质量和化学性质不变
（1）有气泡产生CuO质量仍为0.2克带火星的木条复燃
（2）与步骤③对比，检验加入CuO前后过氧化氢溶液分解速率有无变化
（3）玻璃棒
CuO
（4）2H2O2====2H2O+O2↑
22、（1）2HCl+CaCO3===CaCl2+ H2O+ CO2↑
(2)检查装置的气密性
（3）将气体通入澄清的石灰水中，若石灰水变浑浊，证明是CO2
（4）酒精灯加快反应速率
四、计算题
（1）4.4
（2）解：设碳酸钙的质量为X
2HCl+CaCO3===CaCl2+ H2O+ CO2↑
10044
X 4.4g
100 = X
444.4g
X=100 *4.4g =10g
44
石灰石中碳酸钙的质量分数为：10g *100℅=83.3℅
12g
答：石灰石中碳酸钙的质量分数为83.3℅
篇二：七下期末综合测试卷+答案
期末综合测试卷
二、 单项选择(2分×10＝20分)
（ ）1. ________ did he think of the new film?
A. What B. Which C. WhyD. How
（ ）2. ________ you ________ Beijing?
A. How do；like B. How do；think ofC. How；like D. What；think （ ）3. ________ the population of China?
A. How many B. How much C. What's D. How's
（ ）4. My home is 1,000 metres ________ my school.
A. far from B. far away fromC. away from D. further from
（ ）5. Which do you like ________ water，coke or tea?
A. goodB. well C. better D. best
（ ）6. Our teacher is very strict ________ us，but we also like her，because she is
also friendly ________ us.
A. with；with B. with；to C. to；in D. to；with
（ ）7. —Tony，what were you like when you were young?
—Oh，I was very ________.
A. tall B. fatC. naughty D. nice
（ ）8. Many people from all over the world are looking forward to ________
London in 2012.
A. visited B. to visit C. visit D. visiting
（ ）9. The little girl was running after a dog into a forest，and soon she was ___
A. to lose B. losing C. lose D. lost
（ ）10. Linda ate nothing this morning, ___?
A. didn’t she B. was sheC. did she D. wasn’t she
三、 补全对话(1分×5＝5分)
Mary: Hello，Joan！Joan: Hello，Mary！I went to Sydney with my parents.
Mary: Joan: Yes，we did.
Mary: Oh，
Joan: I'm sorry to hear that. Did you do a lot work?
Mary: I cooked，cleaned the house，watered the flowers and took mother to Joan: with my parents.
Mary: Are you good at swimming?
Joan: Yes. My father taught me a lot. What about you?
Mary: So do I.
1.Tony bought some_______(草莓) yesterday.
2. George Washington is the first ________(总统) of the USA.
3.When will you go to the Modern ________(博物馆)?
4. He didn’t have lunch, he feels very ________(饥饿的) now.
5. Do you know the ________(背景资料) about this film?
6. The spacecraft landed on the ground ________(成功地)．
7. ________ ________ (网购) is changing our way of life
8. I think ________(一月) is the coldest month of the year in Dalian.
9. Andy________(花费) a lot of money on books last year.
10. They are twins but have quite different ______(性格)．
五、 完形填空(1分×15＝15分)
“Ring...Ring...” the telephone suddenly rang. Sam got up to __his aunt.
“Sam, __2__ are you still at home？” she asked surprisingly.
Sam looked at the clock. It was already 7∶30 am.
“Oh，my goodness！There's an important __3__ today，” Sam shouted out.
He hurried to wash his face and get When he was going to leave the house，put them into the bag. into the classroom，“Why are you so __9__？” asked the teacher.
“I'm sorry，sir，” Sam answered，afraid of looking __10__. “It was my clock ... __ to wake me up this morning and ...”
“Don't say anything about it！” his teacher __12__ him. “Don't try to come late next time！”
Sam said yes and walked to his quickly. But when he tried to do the paper，he could not in a right way. He put his head on the desk and said, “What a __15__ day it has been for me！”
（ ）1. A. find B. give C. put D. answer
（ ）2. A. why B. how C. when D. where
（ ）3. A. talk B. party C. exam D. meeting
（ ）4. A. tired B. lost C. dressed D. rested
（ ）5. A. forgot B. remembered C. understood D. thought
（ ）6. A. classroom B. desk C. bus D. door
（ ）7. A. carefully B. quietly C. early D. fast
（ ）8. A. worried B. free C. busy D. careful
（ ）9. A. late B. ill C. lonely D. ready
（ ）10. A. down B. up C. out D. back
（ ）11. A. happened B. stopped C. failed D. pointed
（ ）12. A. helped B. knew C. followed D. stopped
（ ）13. A. room B. table C. seat D. teacher
（ ）14. A. think B. sit C. turn D. speak
（ ）15. A. short B. bad C. happy D. usual
六、 阅读理解(2分×15＝30分)
(A)
One day an old man is on his way home. Just then a stranger (陌生人) stops him and asks, “Excuse me，how long will it take to walk to the next village？”
The old man looks at the stranger but he doesn't answer. The stranger says to himself, “This old man can't hear me clearly. I will ask him again.” Then he asks the old man loudly. The old man thinks for a while，but he still doesn't answer.
At this time，this stranger is very angry and shouts at the old man, “How long will it take me to walk to the next village？” But the old man doesn't give him any answer. So the stranger begins to walk quickly to the village.
The old man calls after him, “My friend，it will take you only fifteen minutes.” The stranger says, “Well，why do you tell me now？” The old man says, “How could I tell you just now？I don't know how fast you can walk.”
（ ）1. The stranger stops the old man because .
A. he wants the old man to show him the way to the village
B. he wants the old man to take him to the village
C. he wants to know how long it will take him to walk to the village
D. he wants to know how long it will take him to go to the village by bus
（ ）2. The old man doesn't answer the stranger's question at first，then the stranger
thinks ________.
A. the old man can't hear him clearly
B. the old man doesn't know the answer
C. the old man doesn't like the stranger
D. the old man can't speak
（ ）3. Fom the passage，we know that finally .
A. the old man takes the stranger to the village
B. the old man gives the stranger the answer
C. the old man does't answer the stranger's question
D. the old man is very angry
（ ）4. How much times does the stranger ask the old man the same question?
A. Tiwce. B. Three times. C. Four times. D. Five times.
（ ）5. Which of the following sentences is RIGHT?
A. The stranger lives in the same village with the old man.
B. The stranger walks quickly because he knows the answer.
C. The old man wants to know how fast the stranger can walk.
D. The stranger and the old man are all deaf.
(B)
Chinese name: Zhang Ziyi
Birth date: Feb. 9,1979
Birth place: Beijing
Height( 身高): 164 cm
Weight(体重): 49 kg
Job: Actress(演员)
Hobbies: Swimming and reading
Chinese Name: Feng Kun
Birth date: January 6, 1979
Birth place: Beijing
Height: 182 cm
Weight: 70 kg
Job: Volleyball player
Hobbies: Travelling
Chinese name: Yao Ming
Birth date: Sep. 12,1980
Birth place: Shanghai
Height: 226 cm
Weight: 140 kg
Job: Basketball player
Hobbies: Playing computer games
（ ）1.In the passage,is a famous basketball player.
A.Zhang ZiyiB.Feng Kun
C.Yao Ming D.Feng Kun and Yao Ming
（ ）2. Which of the following is NOT TRUE?
篇三：人教初二物理期末达标测试卷及答案
初二物理期末测试卷
一、选择题（每小题3分，共36分）
1. （2011·武汉）工人们为了搬运一台笨重的机器，设计了如图1所示的四种方案（机器下方的小圆表示并排放置的圆形钢管）。其中最省力的方案是 （ ）
图1
1.D
2．如图2所示是使用简单机械匀速提升同一物体的四种方式(不计机械自重和摩擦)，其中所需动力最小的是（）
图2
2．D
3．一支步枪的枪膛长80㎝，火药燃烧时产生的高压气体对子弹的平均推力是2×103N；子弹离开枪口后能在空中飞行400ｍ才落地，则高压气体对子弹做的功为（）
A.1.6×103JB.8×104J C.8.16×104J D.1.6×105J
3．A
4．物体在相同的力F作用下沿力的方向移动距离s，试比较如图3所示的三种情况中力对物体做功的多少(
)
图3
A．Wl＝W2＝W3 B．Wl>W2>W3 C．Wl＜W3＜W2 D．Wl＜W2＜W3
4．A
5．物理兴趣小组的同学学习了功率的知识后，进行了“比一比谁上楼的功率大”的比赛，其中某同学从一楼跑到三楼用了10S，则他上楼过程中的功率大约是 （）
A.3W B.30W C.300WD.3000W
5．C
6．（2011·株洲）如图4所示，体积相同的甲、乙、丙三个物体浸没在水中的浮沉情况，此时甲、乙、丙三个物体所受的浮力分别为F甲、F乙、F丙，则下面关系正确的是（）
图4
A．F甲＞F乙＞F丙B．F甲＜F乙＜F丙 C．F甲＝F乙＝F丙 D．F甲＝F乙＞F丙
6.C
7．（2011·桂林）图5是小明在体育考试中测试“引体向上”时的示意图。关于“引体向上”，下列说法中正确的是（ ）
A．身体悬挂不动时，势能为零B．身体上升时，重力做功，势能减少
C．身体下降时，重力做功，势能增加 D．身体上升时，克服重力做功，势能增加
7．D
8.起重机用力F将重为1000N的货物匀速提升了5m，再水平移动8m，则拉力F所做的功是( )
A 5000J B 8000JC 13000JD 无法确定
8．A
9．一正方体物块放在密度可改变的盐水中，能漂浮在液面上或悬浮在盐水中，物块底面与液面保持平行，底面到液面的距离为h，盐水的密度为ρ．下列关于ρ与h的关系图象中，可能正确的是（ ）
图6
9．D
－10．把重5N，体积为6×104m3的物体投入水中，当物体静止时，下列说法正确的是（）
A．物体上浮，F浮=6N B．物体沉在水底，F浮=6N
C．物体漂浮，F浮=5N D．物体悬浮，F浮=5N
10．C
11．用滑轮组将重400N的物体提高3m，已知滑轮组的机械效率是80％，则总功、额外功分别为（ ）
A．300J 1500J B．1500J 300J C．1200J 1500J D．1500J 1200J
11．B
3312.（2011·哈尔滨）边长为4cm、密度为2×10kg／m的立方体橡皮泥块，放在足够多的水中，沉入水底；当
3 3把它捏成一只小船时，便能漂浮在水面上.以下计算结果正确的是(ρ水=1.0×10kg／m,g=10 N／kg)( )
A.橡皮泥块的质量是l2.8 g
B.橡皮泥块浸没在水中时受到的浮力是1.28 N
C.橡皮泥小船漂浮时受到的浮力是0.64 N
-43D.橡皮泥小船漂浮时排开水的体积是l.28×10m
12.D
二、填空题（每空1分，共19分）
13. (2011·贵阳)我国第一台自行设计的载人潜水器“蛟龙号”成功地进行了海试，在它从海平面以下潜到3000多米深的过程中，潜水器的舱体受到水的压强逐渐________，而潜水器受到的浮力________ (均选填：“变大”、“变小”或“不变”)．
13．变大不变
14．如图7所示，金属块所受的浮力为＿＿＿＿＿＿N，金属块的质量是＿＿＿＿＿＿Kg，金属块的体积是＿＿
3＿＿＿＿m。
图7
－-514． 0.2 0.22 2×10
15．在探究杠杆平衡条件的实验中，如果杠杆右侧高左侧低，则可将左侧的平衡螺母向________调节，使其在水平位置平衡．如图8所示，在支点左侧20cm刻度处挂3个重均为0.5N的钩码，在支点右侧15cm刻度处用弹簧测力计拉杠杆，使其水平平衡．要使弹簧测力计示数最小，弹簧测力计的拉力应沿________方向，此时读数为________N．
图8
15．右 竖直（或竖直向下） 2
16．一木块在大小为10牛的水平拉力作用下，10 秒内沿水平地面前进 5 米，则拉力做的功为 焦，功率为 瓦；若木块重30牛，在此过程中重力对木块做的功为 焦。
16． 50 5 0
17．在新农村建设中，为解决村民饮用水，政府和村民共同兴建了一批蓄水池。吕兵家二楼顶上的蓄水池长3 m，宽2m，高1 m，楼房每层高3 m。水池最大储水量是t；若这些水是从深2 m的井中抽上来的，水泵至少做功J。若要求一次灌水的时间不能超过8 min，他家所购水泵的功率至少要kW。
517． 64.8×10 1
18. (2011·潍坊)小红家正在装修房子，她设计了如图9所示的搬运方案，帮助工人师傅将沙子、水泥等材料运到四楼阳台．四楼阳台到地面的距离为9 m，若工人用500 N的力将重为800 N的材料提到四楼阳台，他做的有用功是________J，该装置的机械效率η＝___________。
图9
18.7200 80%
19．（2011·桂林）如图10所示，质量为40g的金属小球从导轨的a处自由滑下，依次经过b处、c处，到达d处时恰好停下。在从a到b的过程中，重力做功为J；在整个运动过程中，小球克服导轨摩擦消耗的机械能为J。
图10
19．0.20.12
20．(2011·黄冈)2011年入春以来，我省大部分地区出现了特大旱灾，为抗旱救灾朝阳村新安装了一台质量为
4300 kg、功率为8 kW的抽水机。安装时为了对地面的压强不超过4×10 Pa，抽水机底座下的轻质木板面积至
23少为________cm。已知该抽水机出水流量是90 m／h，正常工作30 min，抽水高度为20 m，则抽水机的工作
效率是________。
20．75062.5%
三、作图、实验探究题（第21小题各5分，第22、23、24小题各8分，共29分）
21．如图11所示，为自行车脚踏板的示意图，作用在脚踏板上的力为F。请在图中画出该力的力臂。
图11
21．如图所示
22．在探究“浮力大小等于什么”的实验中，小明同学的一次操作过程如图12所示．
图12
(1)测出铁块所受到的重力G铁
(2)将水倒入溢水杯中
(3)把铁块浸入溢水杯中，读出测力计示数F
(4)测出小桶和被排开水的总重G
(5)记录分析数据，归纳总结实验结论，整理器材
分析评估小明的实验，指出存在的问题并修正．
22．问题：(1)没有测空小桶的重力(2)溢水杯的水量不足 改正：(1)测空小桶的重力G桶 (2)将溢水杯中的水加至溢水口处
23．在生活、生产中我们常遇到下面事例：打夯时夯锤被高高抛起又下落，砸在工作面上；打桩机打桩时重锤被高高拉起又下落，打在桩面上??
（1）请你再举一个类的事例： 。
（2）这些事例涉及到的共同物理知识是： 。
（3）小军看到打桩机，思考“重锤对地面打击力的大小与什么因素有关”的问题，并提出猜想一： 打击力的大小与重锤的质量有关。请你另提出一个猜想二：打击力的大小与__________有关。
图12
（4）小军找来排球和足球模拟“打桩”来验证猜想一。设计实验方案如下：
a．用台秤分别称出排球和足球质量m1、m2。
b．在光滑平整的地板上放一张白纸，在白纸上叠放一张复写纸。将排球从纸的正上方一定高度静止下落，排球打在复写纸上，在白纸上留下打击的复写印迹。记为“印迹1”
c．换用足球从另一高度落下，重作上面的实验。得到足球打击的“印迹2”
d .如何利用台称较准确地测出排球和足球的打击力F1、F2的大小？小军有点为难，请你完成测出F1、F2的方案：
。
（5）请对小军的实验方案作出评估：
。
23．（1）铁匠用铁锤打铁或者举起石头砸地面等；
（2）重力做功或重力势能转化为动能等；
（3）下落高度或物体的速度；
（4）把“印迹1”放在台称上，再将排球放在“印迹1”上，用力向下压排球，使排球的形变与印迹1重合，读出此时台称的示数，即为F1。用同样的方法测量F2；
（5）没有控制两球下落的高度相同或测量F1、F2时不易操作或没有进行多次测量等。
24. (2011·河北)下表是小明测一滑轮组机械效率时收集的有关数据。
图13
(1)请在图13中画出实验中滑轮组的绕绳方法．
(2)将表格中的数据补充完整．
(3)用同一滑轮组提升不同的重物至同一高度，提升的物重增加时，除克服动滑轮重所做的额外功外，其他额外功将_________(选填“变大”、“变小”或“不变”)．进一步分析可知，在动滑轮和绳重一定的情况下，该滑轮组的机械效率与_______和____________有关．
《期末达标测试卷答案》由：创业找项目整理
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