Question

【題目】閱讀短文，根據(jù)短文內(nèi)容，從短文后的五個選項中選出能填入空白處的最佳選項。選項中有一項為多余選項。

April 22 is Earth Day. Everyone on earth should care about and protect the earth! The earth has warmed by about 1 °F 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. __1__

First, greenhouse effect (效應(yīng)) 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. __2__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. __3___ 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. __4___ We can tell more people about protecting the earth.

A.So it will affect the growth of plants, animals and people.
B. But many scientists say that people are doing many things which make the earth warmer.
C.For example, we can use fridges less.
D. People in many cities turn off the lights for an hour on that day.
E.Another important reason is climate change.

Answer 1

【答案】【1】B

【2】E

【3】A

【4】C

【解析】

這篇短文中作者主要分析了地球變暖的原因，并號召我們行動起來保護地球。

【1】

聯(lián)系上文，地球變得越來越暖和，及下文描述，可知選B，但是許多科學家說人們做了許多事情導(dǎo)致地球變暖。

【2】

聯(lián)系下文，有時氣候變得太熱有時太冷�？芍獨夂蜃兓�的結(jié)果，故選E，另一個重要原因是氣候變化。

【3】

聯(lián)系下文描述，可知指的是對地球上生物的影響，故選A，因此它會影響植物的生長，動物和人類。

【4】

聯(lián)系上文，我們可以做許多事情來保護地球，及下文描述，可知選C，例如，我們可以少用冰箱。

此類文章重在把握上下文之間的邏輯關(guān)系，故動筆前一定要認真閱讀短文，理解各個選項所表達的含義。然后再讀短文，選出最能使上下文語義通順的選項，完成短文。完成后要多讀幾遍，看語義是否通順，適當修改。