1、
March 29 is Earth Day. Everyone on earth should care about and protect the earth!
The earth has warmed by about 1(华氏度) over the past 100 years, but why and how? Well, scientists are not quite sure. Maybe the earth gets warmer and warmer on its own. But many scientists say that people are doing many things which make the earth warmer.
First, greenhouse effect (温室效应) is a very important reason for the change of the earth. People give out too much energy into the air every year. It makes the earth warmer. Climate (气候) change is another important reason. Sometimes it becomes too hot and sometimes too cold. Sometimes there is too much rain and sometimes too little. The change of the climate makes the earth warmer. In turn, the warmth of the earth changes the climate, too.
When the earth becomes warmer, there may be more rain and a rise in sea level. It will affect the growth of plants, animals and people. On a Pacific island,100 people have to move to higher ground because the sea is rising. These people can no longer live on the coast. Before that, two islands without people went underwater in 1999.Scientists say that the seas can rise by nearly one metre by 2100.
People can affect the earth’s air, land and water. As for us, we can do many things to protect the earth. For example, we can use fridges less. We can tell more people about protecting the earth.
【1】Earth Day is probably set for people to_______.
A.learn more about the earth B.make full use of the earth
C.take better care of the earth D.study the warmth of the earth
【2】We can infer(推断) from the passage that the reasons for the warmer earth are_______now.
A.not very clear B.completely secret
C.well known D.not given yet
【3】Greenhouse effect comes from_______.
A.sea rising B.climate change
C.nature’s unbalance D.people’s activity
【4】According to the passage,_______ may affect each other.
A.animals and islands
B.climate and the warmth of the earth
C.fridges and animals
D.sea level and the growth of plants
【5】The passage mainly tells us that_______.
A.there is more rain now B.we should protect the earth
C.we must stop pollution D.sea level is getting higher
【1】C
【2】A
【3】D
【4】B
【5】B
本文是一篇说明文,介绍了如今全球变暖的问题,并且分析了导致该问题的一些因素,呼吁人类要保护地球、爱护环境。
【1】细节理解题。根据“March 29 is Earth Day. Everyone on earth should care about and protect the earth!”,可知“是为了让人们更好地保护地球”,故选C。
【2】推理判断题。根据“Well, scientists are not quite sure”,可知“原因还不是很清楚”,故选A。
【3】细节理解题。根据“But many scientists say that people are doing many things which make the earth warmer”,可知“人们的活动引起了温室效应”,故选D。
【4】细节理解题。根据“The change of the climate makes the earth warmer. In turn, the warmth of the earth changes the climate, too”,可知“气候和全球变暖会互相影响”。故选B。
【5】文章主旨题。通读全文,可知文章主要介绍了如今全球变暖的问题,并且分析了导致该问题的一些因素,呼吁人类要保护地球、爱护环境,故选B。
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