A．保持开关S闭合，带正电的A极板向B极板靠近，则θ角增大

B．保持开关S闭合，带正电的A极板向B极板靠近，则θ角不变

C．开关S断开，带正电的A极板向B极板靠近，则θ角增大

D．开关S断开，带正电的A极板向B极板靠近，则θ角不变

（1）保持与电池的连接，两极板的距离减半，极板上的电荷增加还是减少？电荷变化了多少？

（2）移去电池后两极板的距离减半，极板间的电势差增大还是减小？电势差变化了多少？

（1）每个极板的带电荷量；

（2）一个电子在P点具有的电势能；

（3）一个电子从B板出发到A板获得的动能；

（4）两板间的电场强度。

假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。错误涉及一个单词的增加、删除或修改。

增加：在缺词处加一个漏词符号（∧），并在其下面写出该加的词。

删除：把多余的词用斜线（\）划掉。

修改：在错的词下划一横线，并在该词下面写出修改后的词。

注意：

1. 每处错误及其修改均仅限一词；

2. 只允许修改10处，多者（从第11处起）不计分。

I’d like to tell you something more about our school sports meet. It was holding on Oct. 6th, it was a fine day. There were over 1,000 students and teachers attend it. Wang Lin, a student from my class, won the 100-metre race. He finish the race in 12.6 seconds and broke the school record. The sports meet was really success. That was because we were all trying to do my best. Although I was not one of the winner, I was proud of that we had done.

Look forward to receiving your letter.

假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。错误涉及一个单词的增加、删除或修改。

增加：在缺词处加一个漏词符号（∧），并在其下面写出该加的词。

删除：把多余的词用斜线（\）划掉。

修改：在错的词下划一横线，并在该词下面写出修改后的词。

注意：

1. 每处错误及其修改均仅限一词；

2. 只允许修改10处，多者（从第11处起）不计分。

Recently, people were moved by a story taking the place in Thailand. It told about a girl whom had a quarrel with her mother and ran away from home. After several days, the girl walked into a restaurant in hungers. A man who was the cook invites her to sit down and then made some delicious food for him. The girl was very surprising. Then the cook told the girl that a woman took a photo and asked him whether he seen the girl. But the woman gave him some money to cook for the girl if she turned up. Until then the girl realized how greatly her mother was and she should be grateful on her.

用下列词组的适当形式完成下列句子。

fast asleep vary from … to… take sb. by surprise freeze over

draw up give birth to make one’s way take notice

have a gift for burn to the ground

1. The air temperature was well below freezing, and lakes and rivers __________.

2. Having spent the whole morning climbing Mount. Tai, the family were very tired and slowly ____________ to

the hotel.

3. He was lying ____________ on the sofa; it would be cruel to wake him.

4. His heart attack was so sudden that I think even the doctors were ____________.

5. The story The Pity of Zhongyong concerns a boy who _______________ writing poetry in his childhood.

6. The outbreak of H7N9 bird flu has really made the government sit up and ___________.

7. The film If You Are the One ______________ a TV show of the same name.

8. After a heated discussion, they __________ a plan to advertise their new product nationwide.

9. The bus was ___________, and at least 30 people burnt to death.

10. The land of Changbaishan ______ in height ____ 700 metres above sea level __ over 2,000 metres.

假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。错误涉及一个单词的增加、删除或修改。

增加：在缺词处加一个漏词符号（∧），并在其下面写出该加的词。

删除：把多余的词用斜线（\）划掉。

修改：在错的词下划一横线，并在该词下面写出修改后的词。

注意：

1. 每处错误及其修改均仅限一词；

2. 只允许修改10处，多者（从第11处起）不计分。

Last weekend, my classmate and I went on a camping trip near the river. It was not long distance, so we chose to get here by bike.

We started with early in the morning. On the way, we talked about that we saw around. It takes about half an hour to get to the place. On arriving, some girls sat down, had her breakfast and listened to the birds sings. Some admired the river while others drew pictures. My friends and I found a quietly place and went fishing. To our surprise, we got much fishes.

Time passed so quickly and we had to say goodbye. I enjoyed the pleasant or exciting trip.

假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。错误涉及一个单词的增加、删除或修改。

增加：在缺词处加一个漏词符号（∧），并在其下面写出该加的词。

删除：把多余的词用斜线（\）划掉。

修改：在错的词下划一横线，并在该词下面写出修改后的词。

注意：

1. 每处错误及其修改均仅限一词；

2. 只允许修改10处，多者（从第11处起）不计分。

Mr. Wang and his wife went to the supermarket the last Sunday. They arrived home very lately. On the way upstairs, Mrs. Wang said, ＂Listen! I can hear someone talk in kitchen.＂ Then they went downstairs and quiet stood there outside the room. ＂Yes, you are right, ＂said Mr. Wang. ＂There are two boy. They are talking!＂ Then they call out, ＂Who’s there?＂ And no one answered. Mr. Wang opened the door quickly and turned on the light. The room is empty. When they saw the radio, they laughed. The radio was still on. ＂Oh, dear, ＂ he said, ＂I forgot to turn it off when they left.＂