试题与答案

在如图所示的实验装置中,平行板电容器的极板与灵敏的静电计相连,极板B接地,若极板

题型:选择题

题目:

在如图所示的实验装置中,平行板电容器的极板与灵敏的静电计相连,极板B接地,若极板B稍向上移动一点,下列说法正确的是(   )

A.两极板间的电压几乎不变

B.电容器极板上所带电荷量变大

C.电容器极板上所带电荷量几乎不变

D.电容器两极板间的电压变大

答案:

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题型:完形填空

第一节 完形填空(共15小题;每小题2分,满分30分)

阅读下面短文,掌握其大意,然后从1-15各题所给的A、B、C和D项中,选出最佳选项,并在答题卡上将该项涂黑。

Dad loved children. And he always wanted a ____1______ family. Eventually, he got what he wanted with twelve children in the family. Without fail, he would show us off to visitors.

Once, Dad _____2_____ presented the first three children in the family, Ann, Mary and Ernestine, to some visitors. Then he picked up a fourth child, and said, "And this is our _____3_____ model, complete with all the improvements. And don't think that this is all; we are _____4_____ the 1953 model some time next month."

But what he _____5_____ most was taking us o t or a drive. On one occasion a man in a village we were passing through shouted _____6_____ that he had seen eleven people in our car, not _____7_____ Mum and Dad. _____8_____, called out over his shoulder, "You _____9_____ the second baby up from the front here, Mister."

Another time, Dad told us this joke, though we were not sure then whether he was telling us the ____10_____. Mum, who was a psychologist (心理学家), once went to give a lecture and left Dad in charge of the _____11_____. When Mum returned, she asked him if everything had been OK. He said everything was fine _____12_____ one of the children had been taught a lesson because he had been _____13_____. When he pointed at the child that had been _____14_____, Mum looked at him calmly and said, "That's not one of ours, dear. He _____15_____ next door."

1. A. rich                     B. lovely              C. close                D. large

2. A. surprisingly          B. nervously         C. kindly              D. proudly

3. A. dearest                 B. smallest            C. latest                D. youngest

4. A. ordering              B. selling              C. expecting          D. improving

5. A. hated                   B. enjoyed            C. cared                D. hoped

6. A. crazily                 B. excitedly          C. curiously          D. directly

7. A. counting              B. naming             C. showing           D. reaching

8. A. Immediately         B. Carefully          C. Angrily            D. Easily

9. A. saw                     B. missed              C. forgot              D. left

10. A. truth                  B. story                C. adventure         D. accident

11. A. lecture                      B. house               C. office                      D. activity

12. A. even if                      B. apart from               C. so that              D. except that

3. A. troublesome         B. careless            C. active             D. quiet

14. A. found                B. caught            C. punished           D. wounded

15. A. goes to               B. belongs to         C. works               D. plays

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