24春国开电大西安广播电视大学理工英语4unit4 形考成绩单元自测4（10分）参考答案

unit4 形考成绩_单元自测4（10分）0

unit4 形考成绩_单元自测4（10分）0

试卷总分:100 得分:100

一、选择填空：阅读下面的对话或句子，从A、B、C三个选项中选出一个能填入空白处的最佳选项。

1. —They are testing the 3D printer. Don’t you come and see it?

—What?? ????????????????????? ?

A. Where is it displayed?

B. ?It really matters.

C. That’s fine.?

答案:

2.—?What do you want to be?

— ????????????????????? .?

A. I want to have a cup of coffee.国开形成性考核答案

B. ?I want to be honest.

C. ?I?would study computer science?than dancer.

答案:

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3.— 3D printing?is one of the latest technological?innovations.

—?____?Maybe its functions are questionable.

A. Really?

B. Exactly.

C. I think so.

答案:

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4.3D printing is just at the beginning stage. It is not ____.

A. mature国开搜题

B. ?ripe

C. ?grown

答案:

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5.____?the new law is used one day, I hope it will not punish people using 3D printers for?personal purposes. ?

A. when?

B. why? ? ? ? ??

C. If

答案:

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6.二、阅读理解：阅读下面的对话，选择合适的内容将对话补充完整。国开形成性考核答案

（教材对话原文）

Michael: They are testing the 3D printer. Don’t you come and see it?

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Lucas: What? Never heard of it.

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Michael: It is one of the most latest technological?innovations.渝粤题库，我们的目标是要做全覆盖、全正确的答案搜索服务。

Lucas: Really? .国开搜题

Michael: Come on! You should learn to be?open-minded.国开形成性考核答案

Lucas:

Michael: The 3D printing technology could be used in construction, engineering, biomedicine, and many other fields. It can print anything, a house, a car, even a liver!

Lucas: That can’t be true. I will never believe this.

Michael: .All these?will be absolutely carried out by 3D printers. There’s a company called Natural Machines has introduced a 3D printer for food producing.

Lucas: I guess that there are a lot of procedures involved in this process. So this printer must be very big.

Michael: . It can print all kinds of dessert and starter.

Lucas: Is it expensive?

Michael: .一网一平台答案国开形成性考核答案

?渝粤搜题渝粤教育

A. It is about $.1,000国开形成性考核答案

B. Maybe its functions are questionable

C. It is really true.

D. What are the main functions of it?

E. In fact, it is as big as an oven

(1).

A. A

B. B

C. C

D. D渝粤题库

E. E

答案:

(2).

A. A

B. B

C. C

D. D

E. E

答案:

(3).

A. A

B. B

C. C

D. D

E. E

答案:

(4).

A. A

B. B国家开放大学作业答案

C. C

D. D

E. E

答案:

(5).

A. A

B. B

C. C

D. D

E. E

答案: