电大英语3unit18形考答案

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A. to B. in C. of 题目143 5. You _______ to lock the door at night. 选择一项： a. should b. ought c. must d. shall 题目15

If you go by car, you’ll get there _______40 minutes. 选择一项： A. within B. about C. under 题目163

3. When we were having a meeting, the director _________ the bad news by telephone. 选择一项：

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a. was telling b. was told c. would tell 题目173

All the team members tried their best. We lost the game, _________. 选择一项： A. however B. therefore C. since 题目183 I prefer tea _______coffee. 选择一项： A. to B. from C. by 题目193 You _______ to lock the door at night. 选择一项： A. should B. ought

C. must

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D. shall 题目203 You like playing football, _______ you? 选择一项： A. don’t B. does C. did 题目2133 B完形填空 （每题2分， 共20分）

More and more people (1) 回答 to install burglar alarms in their houses if they want to get insurance. Insurance companies (2) 回答

people in certain areas to install the

Aalarms before they will give them insurance for the past year. This is (3) 回答

to increasing crime in some parts of the

Ccountry. This can be a problem for people (4) 回答B Aare struggling to make (5) 回答ends meet. The alarms, (6) 回答

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can be very expensive, need to be installed by an electrician. It is (7) 回答

that 20% of homes have alarms installed,

Band that another 20% of people plan (8) 回答A Cbut have not installed them (9) 回答 . The insurance companies told people (10) 回答

the alarms on all doors and windows.

B

1)

A. B.

must have C. had

2)

A.

have

been

asking B. have been asked C. asked

3)

A. B.

caused

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because C. due

4) A. which

who

- the who

that estimate

estimated

C. - 5)

C. all 6)

C. which 7)

C. estimating

B.

A.

B. A. B.

A. B.