pull in / into(车)进站；(船)靠岸
The train from Chongqing has pulled into the station. 从重庆开来的火车已经进站了。
The boat pulled into the shore. 船靠岸了。
3 )动词see 在这里的意思是“ 明白；了解；懂”。
He didn’t see the joke of the story. 他不明白那笑话的可笑之处。
“Do you see what I mean？”“ I see. ”“ 你懂我的意思吗？”“ 我懂(我明白了)。”
6.If A appears to be moving at a steady speed relative to B， we cannot know for sure if it is A that is really moving. 如果A 以相对于B 稳定的速度行驶， 我们就无法确切知道A 是否真的在移动。
1 )连词if 引导的是宾语从句， 表示“ 是否”的意思。it is A that 是强调结构。
2 )appear to 似乎；显得；好像There a ppears to have been some mistakes. 看起来会有一些错误。
He a ppea rs to have many friends. 他好像有许多朋友。
3 )for sure 的确；确切地
He said he would come to help us， and that’s for sure.
他说过他要来帮助我们， 的确如此。
4 )辨异： sure， certain， adj.
二者都可以表示“确信的”意思。
sure 确定的， 确信的。指对某事没有怀疑， 是最一般的用语。
I am sure that you will succeed. 我确信你会成功。
certain 确实的， 的确的。指对于所信赖的事实表示确信无疑。
They have been certa in since they uncovered new evidence.
自从发现新的证据后， 他们就更确信无疑了。
注意这两个词在用法上的一点区别。
He’s sure / certain to come tomorrow.
他明天一定会来。(句子主语指人时， 二者均可用)
但不能这样说：
It is sure that he’ll come tomorrow.
可以这样说：
It is certa in that he’ll come tomorrow.
练习答案
课文A 练习
I. 阅读理解：
1. b 2. b 3. c 4. c 5. d
II. 找出下列单词或短语的同义词：
1. visualize 2. sketch 3. footing 4. forefront 5. disc 6. estimate 7. orientate 8. immovable 9. faith 10. reliance III. 回答下列问题：
1. The ancient Greeks did. 2. It was Ptolemy.
3. Babylonians did. 4. Ptolemy did.
5. The most important thing about Ptolemy’s map was that the north was at the top.
6. The Pole Star. 7. In the early Middle Ages.
8. The Church did. 9. The East.
10. In the 14th century.
IV. 从课文中找出下列短语的名字：
1. the Atlantic Ocean 2. the Middle Ages 3. the Mediterranean Sea 4. the New World 5. Christopher Columbus 6. Christian 7. Jerusalem 8. theRiver Nile 9. Europe， Asia and Africa 10. the Atlantic Ocean V. 把下列句子译成英语：
1. I didn’t learn the truth until I read your report.
2. The goods will be sent to you in accordance with your requirements.
3. In the Middle Ages， the European Church interfered seriously with the advance of science.
4. Today it is hard to visualize a map that doesn’t feature north at the top.
5. He drove hurriedly in the direction of the Pole Star.
词汇练习
I. 用下列所单词的正确形式填空， 注意词性：
1. a. localising b. local c. location 2. a. philosopher b. philosophical c. philosophy 3. a. popularity b. popularly c. popular 4. a. aware b. unaware c. awareness 5. a. moves b. movable c. immovable II. 用下列单词的正确形式填空：
1. unaware 2. rough 3. features 4. classical 5. ancient 6. sketches 7. reliance 8. arrangements 9. compass 10. version III. 把下列句子译成英语：
1. I didn’t find that the children weren’t in their bedrooms until midnight.
2. Our conclusion is based on all available knowledge， rather than on guess or imagination.
3. She told us her past in the form of story.
4. His estimate is far from being accurate.
5. According to the arrangement， we’ll go to the Summer Palace today.
6. You can place full reliance on his promise.
7. His viewpoint is just for your reference.
8. In the past two years， they have attempted several scientific experiments.
课文B 练习
I. 根据课文判断下列句子正确与否：
1.× 2.× 3. √ 4. √ 5. √ 6. √ 7.× 8. √ 9. √ 10. √
II. 根据课文填上所缺的内容：
1. zero 2. wrong 3. Regardless 4. converse 5. passengers， baggage 6. can 7. equally possible 8. system 9. convenience 10. devised ·292·
词汇练习
I. 从右边一栏中找出与左边一栏单词相应的定义：
1. e 2. c 3. a 4. d 5. b
II. 用课文B 中的单词填空， 首字母已给出：
1. loading 2. coaches 3. motionless 4. relativity 5. equally 6. frustrating 7. brought about 8. smooth 语法练习
I. 用所给动词的虚拟语气填空：
1. knew 2. were 3. were 4. would have been 5. would eat 6. could build 7. hadn’t come 8. earn 9. hadn’t 10. would be 11. apply 12. go 13. would be 14. were 15. had been 16. bought 17. be put off 18. should (would)get 19. had been caused 20. grew up II. 选择填空：
1. C 2. B 3. B 4. D 5. A 6. D 7. A 8. A 9. A 10. D
III. 把下列句子译成英语， 谓语动词用虚拟语气：
1. It would have been better if the Englishman had spoken Italian.
2. What should be done if you had a panic attack？
3. I wish I could lose one pound’s weight a day.
4. It is important that you (should)be responsible for your health.
5. If there were no air and water， all the living things would die.
6. If I were you， I would join the army.
7. If we had paid more attention to these factors， we would have largely reduced the risk of heart disease.
8. If you had listened to my advice， you wouldn’t have got into trouble.
9. It is suggested that each class perform a program.
10. He would have given you more help if he hadn’t been too busy.