全国外研版英语九年级上册课课练：Module 12 Save our world Unit 3（含答案）

[Unit 3]
重难点小结：
1．构词法(合成法、转化法及派生法)
2．重点词组： throw away扔掉，turn off关掉；关闭(设备)，worry about担心
Ⅰ.利用前缀和后缀组合单词
前缀： (im ， un ， dis ， re )
1．patient ________　　　 2.polite ________
3．healthy ________ 4.comfortable________
5．usual ________ 6.agree________
7．like ________ 8.write ________
后缀： ( ful, less, able)
9．hope________ 10.care________
11．success________ 12.reuse ________
Ⅱ.用所给单词的适当形式填空
13．Shirley is an early bird. It was ________ (usual) for her to be late for school today.
14．He is too weak. It's ________(possible) for him to move the heavy box.
15．Every year, about 6.5 million people die from air ________(pollute)．
16．It is very ________(help) for me to have conversations with friends in English every day. My speaking skills have certainly improved.
17．Look! Your room is really ________ (tidy). You should learn to be organised.
Ⅲ.单项选择
(　　)18.The more trees people cut down, the more green lands will ________ deserts.
A．get into B．be put into
C．break into D．be changed into
(　　)19.We should care ________ these poor children and protect them ________ the cold.
A．about; about B．from; about
C．about; from D．for; for
(　　)20.2020·沈阳Emma loves animals and looks after her pet dog ________ than her friends.
A．carefully B．more carefully
C．most carefully D．the most carefully
(　　)21.This kind of food will ________ you, and if you keep on eating it, you will be healthier.
A．do good for B．do good to
C．do harm for D．do harm to
Ⅳ.完形填空
People usually check whether their keys, purses and phones are with them before going out, but many people in China now have one more important thing to take—a mask(口罩). They hope that it can protect them __22__ the polluted air.
Many cities in China saw a lot of foggy days in April. In Beijing, there were eight days in April full of smog. It is dirty air that __23__ a mixture of fog and smoke. The smoke is mainly from cars and factories in cities. Poor air is bad for people's health, __24__ for children and old people. They fell ill easily and the __25__ were full of people. They had problems with their noses and lungs.
So, it's necessary to __26__ people from doing so many bad things to the environment. For example, people should use cars less and shouldn't burn lots of __27__ and gas. The government needs to take measures to make factories stop emitting __28__ waste gas into the sky.
Three students from No.4 High School in Beijing __29__ a report about how to protect the environment. They suggested that people should plant more trees __30__ set off fewer fireworks for celebrations.
We hope__31__ people will join us in making a difference. In this way, the blue sky will certainly appear again.
(　　)22.A.of B．from
C．for D．at
(　　)23.A.looks like B．looks after
C．looks up D．looks into
(　　)24.A.specially B．suddenly
C．especially D．luckily
(　　)25.A.schools B．gardens
C．zoos D．hospitals
(　　)26.A.stop B．advise
C．suggest D．warn
(　　)27.A.cloth B．coal
C．metal D．glass
(　　)28.A.much too B．many too
C．too much D．too many
(　　)29.A.wrote B．spoke
C．watched D．expressed
(　　)30.A.but B．so
C．and D．or
(　　)31.A.fewer B．less
C．some D．more
答案
Ⅰ.1.impatient　2.impolite　
3．unhealthy　4.uncomfortable　
5．unusual　6.disagree
7．dislike/unlike　8.rewrite
9．hopeful/hopeless　
10．careful/careless
11．successful　
12．reusable
Ⅱ.13.unusual　14.impossible　15.pollution
16．helpful　17.untidy
Ⅲ.18—21　DCBB
Ⅳ.22—26　BACDA　27—31　BCACD