《九年级英语上册同步精品课堂(仁爱版)》12.6 Unit 4 Topic 3 Section C（练习）（解析版）

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Unit 4 Topic 3 Section C 随堂练习

一. 用方框中所给词的适当形式填空

inside, cancel, connect, doubt, brain

1. There was some whether Yao Ming could become a great basketball player or not.

【答案】doubts

【解析】doubts n. 怀疑，疑惑.

2. Doctors believe that lung (肺) cancer is with smoking.

【答案】connected

【解析】be connected with sth 和......有联系.

3. Can you tell me why the new year party was ?

【答案】canceled

【解析】cancel v. 取消，撤销.

4. The purpose of professor Read’s research is to compare computer functions with working.

【答案】brain

【解析】brain n. 脑，智力》

5. He was wild with joy when he opened the envelope and read the letter .

【答案】inside

【解析】inside adv. 在里面.

二. 单项选择.

1. There is that what they have done is good for us.

A. a doubt B. doubted C. no doubt D. in doubt

【答案】C

【解析】There is no doubt that +从句毫无疑问......。

2. In modem business, people on the Internet. It is very convenient and fast.

A. place orderly B. place and cancel orders C. cancel order D. take order

【答案】B

【解析】place and cancel the order 下订单和取消订单。

3. The scientist don’t exactly know when the universe but they are still studying it.

A. come true B. come about C. came into being D. come out

【答案】C

基础篇

【解析】come into being 形成。

4. If we spend too much time on the Internet, we won’t have enough time to study. , working on computers too

long may cause headaches or sore eyes.

A. Beside B. Besides C. Except D. Expect

【答案】B

【解析】besides 除...之外还有

5. the Great Green Wall, sandstorm has been reduced in recent years.

A. Because B. As for C. Thanks to D. Since

【答案】C

【解析】thanks to 幸亏，由于.

三．完形填空。

Now people can pay by scanning(扫描）their faces while shopping. Is it 1 to pay by scanning other parts of our

bodies? Amazon has a new technology that scans 2 .

The technology can tell if the person is the right one by scanning his or her hand. The scanner examines things

such as finger prints. It then sends a picture to a certain center which can decide who the person is.

In September 2019, Amazon made a payment system for a US supermarket. People can pay 3 by scanning their

hands under a machine. Their hand scan is connected to their bank cards, so they can pay successfully. It's quite convenient,

especially for 4 people. With this new technology, people 5 take their cards with them. They just scan their hands.

1．A．possible B．important C．strange

【答案】A

【解析】句意：有没有可能通过扫描我们身体的其他部位来支付呢？possible 可能的；important 重要的；strange 奇

怪的。分析上下文可知，此处表示目前人们可以通过面部识别技术进行支付，那么扫描其他部位可不可

能进行支付呢？强调“可能的”，故选 A。

2．A．eyes B．faces C．hands

【答案】C

【解析】句意：亚马逊有一项扫描人手的新技术。eyes 眼睛；faces 面部；hands 手。根据后文“The technology can

tell if the person is the right one by scanning his or her hand.”可知，是通过扫描手部进行识别的。故选 C。

3．A．usually B．simply C．really

【答案】B

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