Lesson Three Detective on the Trail综合英语一下册课文,练习语法讲解

cloud - cloudy

2) Add dis- to the following words to form new words, making changes

in spelling wherever necessary.

(1) ability approve honesty organize arm

ability – disability 无力,无能;残疾;[法]无能力,无资格 approve – disapprove 不赞成,否决

honesty – dishonesty 不正直,不诚实;狡猾,阴险; organize – disorganize 打乱?的步骤或安排 arm – disarm 放下武器, 裁军, 解除武装, 缓和 (2) obey order unity hearten like obey – disobey 不服从,不顺从 order – disorder .扰乱 unity – disunity 不统一

hearten – dishearten使灰心,使沮丧,使气馁 like - dislike

2.Translate the following sentences into English. 1) Using words or expressions from the text. (1)这一政策的本意并不是要损害老百姓的利益。

The policy wasn’t meant to hurt the interests of ordinary people. (2)人人都知道玫瑰花代表什么。

Everyone knows what roses stand for. (3)给他留个条子以防他忘记把卷宗还给秘书。

Leave a message to him in case he forgets to return the files to

the secretary.

(4)记者想用些巧妙的问题让总统无意间透露秘密。

The reporter wanted to trip the president up with clever questions. (5)这个单词我已经碰到过好几次了。 I have come upon the word several times.

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(6)大火使得人们纷纷逃出大楼。

The fire sent the people running out of the building. (7)都4点了,还是没有人来。

It’s already four o’clock, but no one has turned up. (8)我真不喜欢看到年轻人在马路上闲逛。

I hate to see young people hanging around on street corners. (9)总裁想知道谁负责这个部门的工作。

The president wants to know who is in charge of this department. (10)他站了起来,朝门口走去。

He rose to his feet and made his way to the door. (11)听到儿子出事以后,比尔的妈妈飞速赶到医院。

When Bill’s mother heard his son had had an accident, she rushed

to the hospital at flying speed.

2)Using Verb Pattern 19. (1)你必须去理发。

You must have your hair cut. (2)我得把我的照相机拿去修理一下。 I have to have my camera repaired. (3)我曾听到过有人用英文唱那首歌。 I have heard the song sung in English. (4)他回家后发现房子已被打扫干净了。

After he returned home, he found the house cleaned. (5)我希望这件工作尽快完成。 I want the work done quickly.

3.Put suitable prepositions or adverbs in the blanks.

1) The policeman knew that he was on the trail of a dangerous killer.

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on the trail of 追踪

2) The student liked to read science fiction stories in his free time.

in one’s free time在空闲时间

3) They left for Europe on a rainy morning.

leave for 动身去某地 on 表示具体某一天

4) He said we didn’t have to look up every new word we run into when

reading.

look up (a word in a dictionary)查字典 run into=come across 偶遇

5) For some unknown reason he didn’t turn up in the meeting.

for some reason 由于某种原因 turn up 露面,出现

6) He was put in charge of the reeducation of laid-off workers last

year.

in charge of 负责 reeducation 再教育 laid-off worker 下岗工人

7) I think he was shaking with anger, not with cold.

with 表示原因“因为” 在第三课里面有原文为:

Bob was breathless with excitement.鲍勃因为兴奋而揣不过气来。

8) He forgot to give me the key to the exercises.

the key to :?的关键, ?.的钥匙,?..的答案。

9) I’m afraid I’ve lost the key to the door.

to 的用法同上

10) In some countries it is impolite to point at people.

point at 指着

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point out 指出

11) After the lecture the students shook hands with the visiting

professor in turn. in turn 轮流 翻过来 cf. in return (for)作为回报

12) Although he is dressed as a soldier, he looks like a cheat to

me. dress as 装扮 look like 看起来像 to 对?..来说

4. Put the correct words from the list below in the blanks

trouble decided notice seemed sounded turn realized easily imagine in One summer evening I was sitting by the open window, reading a good science fiction story. I was so interested in the story I was reading that I did not (1) notice that it was getting dark. When I (2) realized it was too dark to read (3) easily, I put the book down and got up to (4) turn on the light. Just then I heard someone heard someone crying, “Help! Help!” It (5) seemed to come from the trees at the other end of the yard. I looked out but it was now too dark to see anything clearly. Almost immediately I heard the cry again. It (6) sounded like a child, but I could not (7) imagine what anybody would be doing in our backyard. I (8) decided that I ought to go out and have a look in the yard, just (9) in case someone was in (10) trouble.

七.Grammar

The Infinitive

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