内容正文:
Unit 3 【单元测试 · 提升卷】
一、完形填空(共10小题;每小题1分,满分 10分)
The Earth is a beautiful place. There are forests and rivers, mountains and fields. We live 1 the Earth. It's our home. But how much do you know about it? Let me tell you 2 about our Earth.
The Earth is like 3 big ball. Like the other seven planets(行星),the Earth is running around the Sun. It's the third nearest planet to the Sun. It takes the Earth about 365 days 4 around the Sun. At the same time, the Earth is going around itself. If you are in space, you can see lots of white clouds over the surface(表面) of the Earth. Through the clouds, you can see the blue colour of the seas 5 the brown colour of the land. About 70% of the Earth is covered 6 water.
The Earth used to be very 7 and beautiful. But today there 8 too much pollution. People cut down trees and kill animals. 9 put rubbish into rivers and seas. So, more and more water is becoming dirty. We must stop 10 these thing.
1.A.at B.in C.with D.on
2.A.nothing B.anything C.something D.everything
3.A.an B.the C.a D./
4.A.to run B.run C.running D.runs
5.A.because B.and C.but D.so
6.A.for B.by C.into D.to
7.A.cleaned B.clean C.cleanly D.cleaning
8.A.be B.are C.was D.is
9.A.They B.Them C.Their D.Theirs
10.A.do B.does C.doing D.to do
二、阅读理解。(共15小题;每小题1.5分,满分22.5分)
阅读下列短文,从每题所给的A、B、C和D四个选项中选出最佳选项。
A
Earth Day is celebrated (被庆祝) on 22 April every year. On this day, some people will listen to speeches about the environment. Others will help clean up their communities (社区). Your parents may stop driving their air-polluting cars for one day.
The idea for Earth Day came from an American man. He was worried about the pollution and the health of plants and animals. The idea quickly became popular and on 22 April 1970, the first Earth Day was celebrated in the US. At last, Earth Day became a global celebration. In 1990, 200 million people from 140 countries took part in environmental activities such as festivals, clean-ups, and plantin