Maybe you know floods, earthquakes, sandstorms and so on. But have you heard of typhoons?
Typhoons are some of the worst storms, usually around the Pacific Ocean and the South China Sea. Most happen in July, August and September.
How does a typhoon happen? When lots of sea water gets hot in the summer sun, it evaporates （蒸發(fā)）into the air. This makes the air hotter. When the air gets warm enough, it starts to move higher up into sky. Then cooler air around it rushes in. It fills the space that is left. After the air gets warmer, it starts to move quickly, making wind. The wind goes in circles（圓圈）and it keeps moving higher in the sky. The warmer the air gets, the quicker the wind moves. And when the wind moves faster than 30 metres a second, a typhoon begins.
A typhoon has two parts, one is called the “eye”. In the eye, the wind does not move so fast. The other part is the wall of clouds around the eye. Here are the strongest winds and hardest rains.
Typhoons are very dangerous. In November this year, Typhoon Haiyan killed 5500 people in Philippines. More people are missing.
What to do when a typhoon hits?
Stay inside. Close all the windows and stay away from them.
Try to bring all of your things inside. Strong winds could even blow away your bikes!
Listen to the radio or TV for important information.
If you’re told to go to a safer place, do it right now.
小題1:This passage is most probably from               .  
A．a(chǎn)n advertisement of a typhoonB．a(chǎn) travel record
C．a(chǎn) weather report D．a(chǎn) science magazine
小題2:Typhoons often happen               .
A．in the hot seasonB．in the cold seasonC．only in ChinaD．under the sea
小題3:In which order（順序）does a typhoon happen?
a. The wind moves fast enough, a typhoon starts.
b. The air moves quickly, making wind.
c. The sun makes sea water hot.
d. The air gets warmer.
A．d-c-b-aB．c-d-b-aC．c-d-a-bD．d-b-a-c
小題4:Which of the following is TRUE according to the passage?
A．The warmer the air gets, the slower the wind moves.
B．5500 people died because of Typhoon Haiyan around the world.
C．The strongest winds and hardest rains are in the wall of clouds.
D．A typhoon will not happen before the wind goes faster than 30 km a second.
小題5:When a typhoon comes, we CANNOT                .
A．close all the windows
B．listen to typhoon news
C．stay inside the strong house
D．go outside to find a safer place

小題1:D
小題2:A
小題3:B
小題4:C
小題5:D

試題分析：這篇短文主要為我們講述的是什么是臺風(fēng)，臺風(fēng)是怎樣形成的，以及發(fā)生臺風(fēng)的時候我們應(yīng)該怎么辦。故這樣的一篇文章應(yīng)該是來自于一本科學(xué)雜志。而不是廣告，旅行記錄或天氣預(yù)報。
小題1:主旨大意題。這篇短文主要為我們講述的是什么是臺風(fēng)，臺風(fēng)是怎樣形成的，以及發(fā)生臺風(fēng)的時候我們應(yīng)該怎么辦。故這樣的一篇文章應(yīng)該是來自于一本科學(xué)雜志。而不是廣告，旅行記錄或天氣預(yù)報。故選D。
小題2:推理判斷題。根據(jù)文章中Most happen in July, August and September.可知，大多數(shù)的臺風(fēng)發(fā)生在7、8、9月份，且通過文章第三段作者對臺風(fēng)形成的原因的分析，我們可知，臺風(fēng)多發(fā)生在熱的季節(jié)。故選A。
小題3:細(xì)節(jié)理解題。根據(jù)文章第三段先是When lots of sea water gets hot in the summer sun, it evaporates into the air.太陽使海水變熱，然后This makes the air hotter使得空氣變熱，接下來it starts to move quickly, making wind熱空氣快速的流動，形成風(fēng)，最后when the wind moves faster than 30 metres a second, a typhoon begins當(dāng)風(fēng)速超過每秒鐘30米的時候，就形成了臺風(fēng)。故選B。
小題4:細(xì)節(jié)理解題。根據(jù)文章中The other part is the wall of clouds around the eye. Here are the strongest winds and hardest rains另一部分是在風(fēng)眼附近的云墻，這里風(fēng)最大，雨最強。故選C。
小題5:細(xì)節(jié)理解題。文章的最后一部分給了我們一些建議，當(dāng)發(fā)生臺風(fēng)的時候我們應(yīng)該怎么辦，其中第一條就是Stay inside.，呆在屋里面，不能外出，故D選項的表述是不對的。故選D。
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