According to a new study，the Amazon rainforest（亞馬遜雨林）may become grassland in a few years.
The Amazon is the world's biggest rainforest.Climate change（氣候變化）and human-activities make it "sick".Usually，the rainforest can fix itself.But now，it feels too "tired" to get better.The trees may die and the rainforest could turn into a hot and dry grassland.
The Amazon was one of the world's wettest places.But since 2005，three droughts（干旱）have hit the rainforest.They were caused by climate change.The trees don't have enough water to grow.What's more，as they become dry，they can easily catch fire.
What's more，people cut down rainforest trees for wood.They burn the forest to make farmland.They clear trees for minerals（礦產(chǎn)）.All these activities have caused about 17 percent of the rainforest to disappear.
The Amazon is like the lungs（肺）of our earth.They make more than 20 percent of the planet's oxygen（氧氣）.If the Amazon "dies"，there will be more CO2 and our Earth will become even hotter.The Amazon is also home to over 3 million animals and plants.Many of them can't live anywhere else.They could possibly just disappear.
（1）What does the new study show？ CC
A．The Amazon rainforest was grassland in the past.
B．Many people enjoy their activities in the Amazon rainforest.
C．The Amazon will have fewer trees in the future.
（2）How do droughts make the Amazon rainforest"sick"？ BB
a.They make plants grow more slowly.
b.They cause climate change.
c.They make the grass in the forest grow faster.
d.They make it easier for the forest to catch fire.
A．bc
B．a(chǎn)d
C．cd
（3）What does the word "disappear" in the story mean AA.
A．消失
B．下降
C．增長(zhǎng)
（4）Why is the Amazon called "the lungs" of the Earth？ BB
A．Because it has 17 percent of the Earth's minerals.
B．Because it makes over one-fifth of the Earth's oxygen.
C．Because people and animals can breathe more easily there.
（5）What does the writer want to show with the last paragraph？ CC
A．The future of our earth.
B．The real reason of climate change.
C．The importance of the Amazon.
【考點(diǎn)】說(shuō)明文；季節(jié)與天氣．
【答案】C；B；A；B；C
【解答】
【點(diǎn)評(píng)】
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發(fā)布：2024/5/27 14:0:0組卷：2引用：1難度：0.4
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