人教版九年级全册Unit5 What are the shirts made of SectionB(3a－SelfCheck）课件(共13张PPT)

(共13张PPT)
Unit 5 What are the shirts
made of
Period 5（Section B 3a － Self Check）
单元语法回顾
（语法讲解见《核心知识讲练》“语法精讲”P23 － P24）
语法填空基础训练
1. Every day，too much paper _@1@___________（waste）in our daily life.
is wasted
2. Why not have a look at this kind of bags They _@2@_____（sell） well in our shop.
sell
3. Because of the COVID-19（新冠肺炎），a lot of doctors and nurses _@3@___________（send） to Wuhan.
were sent
4. During the Spring Festival of 2020，the disposable（一次性的）medical masks _@4@___________ （sell）out in these cities.
were sold
5. The Chinese people are always _@5@__________（protect）well by the bravest of them.
protected
6. The tea _@6@______________（process）by these hard-working people.
is processed
阅读理解
Whether from news reports or social media articles, you may know that 5G is coming.
5G is the 5th generation network. It is a new network after 1G, 2G, 3G and 4G and it can connect everyone and everything together. 5G networks will cover many cities in China soon. 5G means super-fast data（数据） speed,
综合提优专练
one can download a two-hour movie for fewer than 10 seconds, and it is making our lives more and more convenient.
5G will make self-driving cars possible. For safety, self-driving cars need super-fast data transmission（传输） to communicate with their nearby environment. 5G is just what makes self-driving cars achieve this.
Even airplanes will become “smart” in the near future. Passengers will be able to use 5G networks in the air to connect to the Internet or place orders for food and drinks.
5G will be a big help for students who take online classes. Many people live in poor areas in the world where there are no schools. But with 5G, this will change.
Students all over the world will be able to see places like the Great Wall without leaving their rooms.
It will be also easier for doctors to treat patients remotely by 5G. It means caring for patients from far away.
The facts listed above are only a part of what 5G will make possible and popular. Just as in the early days of the Internet in the 1990s,
few could see how it could change the world. The same will surely be true of 5G. With 5G, many things do not seem like dreams anymore. Now let’s get ready to say goodbye to 4G and welcome the coming of 5G.
( @7@ )1. How long may it take to download a two-hour movie with 5G
A. 15 seconds. B. 8 seconds.
C. 10 minutes. D. 2 hours.
B
( @8@ )2. The underlined word “remotely” means “__” in Chinese.
A. 快速地 B. 高效地 C. 远程地 D. 科学地
C
( @9@ )3. From the last paragraph, we can know that__．
A. 4G is no more used in our daily life now
B. the writer is worried about the coming of 5G
C. with 5G, some of our dreams will come true for sure one day
D. in the 1990s, all the people believed that the Internet would change our life
C
( @10@ )4. 5G will make the following things more and more popular EXCEPT__．
A. self-driving cars
B. “smart” airplanes
C. online classes
D. hospitals without doctors
D
( @11@ )5. About 5G, __ is NOT mentioned in the passage.
A. to be used freely
B. super-fast data speed
C. to connect everyone and everything together
D. to make life more convenient than 4G
A