[题目]-Sit down, please. - .A. Thank you. B. Goodbye.C. Stand up, please. D. Fine. 题目和参考答案——青夏教育精英家教网—

题目内容

【题目】-Sit down, please. - .

A. Thank you. B. Goodbye.

C. Stand up, please. D. Fine.

【答案】A

【解析】

试题分析：句意：——请坐。——谢谢。Thank you.谢谢。 Goodbye再见；Stand up, please.请站起来；Fine好的。根据Sit down, please.可知此处别人邀请你坐下，故应表示感谢。故选A。

练习册系列答案

-- Let me help you . I’m .

A. strong enough

B. enough strong

C. weak enough

【题目】 ____________ careful you are, _____________ mistakes you’ll make.

A. The more, the fewer B. The less, the fewer

C. The more, the less D. The less, the less

【题目】完成对话，在对话的空格中填上适当的单词，使对话完整正确。一空一词。

A: Wow. look! What's that?

B: Oh. It's a toilet. Why?

A: It wasn't here last weekend. How could anybody【1】a toilet in a short time?.

B: It was not built by anyone. It was printed by the 3D printer whose【2】has risen worldwide recently.

A: Printed? I've heard of printing papers, printing shirts but I have never heard of printing a building.

B: It's a kind of new technology【3】3D print. You design what you want on the computer and then print it with certain【4】. You can print whatever you want.

A: Interesting. Can I print a cellphone?

B: Of course you can.【5】, many parts in the cellphone are printed. That's why the cellphone prices are dropping so fast.

A: I really admire the【6】. By the way, if you are required to invent something, what would you like to invent?

B: I would like to invent a flying bike that can travel in the sky to【7】the heavy traffic on the road. On the other hand, it can prevent the environment being polluted, too.

A: That will surely become one of the most creative inventions in the【8】future.

B: What about you?

A: My mother sits in a chair for too long every day, so her back always【9】, I'd like to invent a chair which can help her. It can play some music to remind her when she needs to stand up and do exercise【10】in a while.

B: Your dream has come true. Some German scientists have developed some.

A: I can't wait to buy one for my mom now.

【题目】

Do you usually forget your password，your ID or your keys？Well，you'll never forget your face. With the quick development of technology，using your face as your ID is quick and convenient.【1】This is how facial recognition（人脸识别）works. It has also been used to catch criminals.

In China，facial recognition systems have been used in many areas. 【2】They just need to connect their online payment systems（系统）with the subway's smartphone app. Students at Peking University can pass through the school's gate with their face，too. However，there are no laws to regulate（规范）the use and collection of facial information，according to a famous lawyer at the China University of Political Science and Law.【3】Why is it necessary to collect data（数据）about your face and what will the data be used for？

"People may feel uncomfortable with the worries. 【4】" said Feng Yi，a tourism company staff. Leaks are possible because there is a long history of companies failing to protect users' data. 【5】However，can you change your face when your facial information is stolen？As facial recognition is used more and more in our daily lives，we must ask ourselves whether or not this new technology is worth the risk.