《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）（原卷版）

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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.

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

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

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

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

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

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

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

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

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

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

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

基础篇

提升篇

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

2．A．eyes B．faces C．hands

3．A．usually B．simply C．really

4．A．old B．poor C．smart

5．A．mustn't B．can't C．needn't

四. 阅读理解.

You know now that 5G can give you a faster online experience. In fact, 5G can do a 1ot more than just this. Here are

some of the things 5G can do.

Education

Do you have live classes at home? With 5G, you can have classes outside your home. The class can go as smoothly as

the ones you have at home. Students from poor areas can have the chance to study just like you do.

Self-driving car

5G makes self-driving cars safer. These cars can send signals (信号) to each other. They can also “talk” to traffic lights.

5G will make cars even faster than human drivers.

Medical care

Xiao Ming is at school. Suddenly, he feels uncomfortable. Doctors in the car can send XiaoMing's information to the

hospital through 5G. Doctors at the hospital get the information and they have a video call to diagnose (诊断) Xiao Ming.

With SG, future medical care can be like this. Also, when people are ill, they may not need to go to the hospital. They can

just see a doctor at home.

Smart home

5G makes the Internet of things (IoT) possible. IoT is a large network that connects everything to thе Іntеrnеt. Ѕmаrt

hоmеѕ аrе раrt оf іt. Fоr ехаmрlе, уоur tоаѕtеr (烤面包机) “knоwѕ” whеn уоu gеt up and makes your breakfast.

1．The writer lists ________ things that 5G can do in the passage.

A．three B．four C．five D．six

2．According to the passage, self-driving cars can ________with the help of 5G.

A．talk to your office B．send signals to your home

C．be faster and safer D．control the traffic lights

3．From the passage we can know that IoT________.

A．can connect everything to the Internet B．is a small part of smart homes

C．has video calls to diagnose patients D．will give classes to poor students

4．What does the text mainly talk about?

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