摘要:( )A.hot B.hotly C.more hotter D.hotlier

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     Different weather makes people feel different. It influences (影响) health, intelligence (智力) and feelings.         In August, it is very hot and wet in the southern part of the United States. People there have heart trouble
and other kinds of health problems during this month. In the Northeast and the Middle West, it is very hot at
some times and every cold at other times. People in these states have more heart trouble after the weather
changes in February or March.   
     The weather can also influence intelligence. For example, in a 1983 report by scientists, IQ (智商) of a
group students were very high when a very strong wind came, but after the strong wind, their IQ was 10%
below. The wind can help people have more intelligence. Very hot weather, on the other hand (另一方面),
can make it lower. Students in many schools of the United States often get worse on exams in the hot
months of the year (July and August).  
  Weather also has a strong influence on people's feelings. Winter may be a bad time for thin people.
They usually feel cold during these months. They might feel unhappy during cold weather. But fat people
may have a hard time in hot summer. At about 18C, people become stronger.  
  Low air pressure (气压) may make people forgetful. People leave more bags on buses and in shops
on low-pressure days. There are a  "good weather" for word and health. People feel best at a temperature
of about 18 centigrade (摄氏度).   
     Are you feeling sad, tired, forgetful, or unhappy today? It may be the weather's problem.
1. _____ can have a bad effect (作用) on health.   
[     ]
A. Hot and wet weather
B. Good weather   
C. Warm weather
D. High intelligence  
2. People may have more intelligence when _____ comes.   
[     ]
A. a rain
B. very hot weather  
C. a strong wind
D. low air pressure  
3. Low air pressure may make people _____.   
[     ]
A. forgetful
B. sad
C. angry
D. tired
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  Rainforests cover six percent of the earth’s surface.There are rainforests in many   1   of the world, but the biggest forests are in South America, Africa and South East Asia.There aren’t any rainforests in Europe or North America.

  About 75%of all the types of animals   2   from rainforests.Thousands and thousands of animals live in rainforests.There are many beautiful birds, insects and reptiles.Many of them live in the trees, over 30 meters from the   3  .There are also thousands of different plants-and lots of them are tall trees!It is always hot in a rainforest and the ground is always wet.It is   4   very dark there.

  The rainforests are very important for us.We   5   them!The trees and other plants in the forest help to make the air that we breathe.They also help to control the   6  .They give us wood, rubber, fruits and many of our medicines.

  Unfortunately, in many places, the rainforests are in danger.For example, many   7   ago there was a large rainforest in Java.There were thousands of different plants and animals in the forest, but now there is nothing.People cut down the trees   8   they wanted to grow rice.They also wanted to grow rubber trees   9   rubber.Many animals lived in the rainforest.Some of them went to other parts of Java, but many of them disappeared-forever.The same thing   10   now in many other parts of the world.The rainforests are in danger!

1.________ 2.________ 3.________ 4.________ 5.________

6.________ 7.________ 8.________ 9.________ 10.________

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