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A great number of people in the world have never seen snow.Others see more of it than they want to. Hail is much more common; it happens even in deserts.

Hail is a small round ball of alternating layers(½»»¥²ã) of snow and clear ice. It forms inside large dark clouds that you can see before or during a storm. There are two ideas about how hailstones from.

One idea shows that hail forms when drops of water freeze in the upper air.

As they fall, they collect more drops of water. They also collect snow. The ice and snow build up in layers. If you cut a hailstone, you can see these alternating layers.

The other idea says that hail starts as a raindrop. The wind carries it higher into the atmosphere(´óÆø²ã), where it gets covered by snow. It becomes heavy and begins to fall. As it falls, it gets a layer of water, which freezes.

Then the wind carries it back to the snow area, and it gets another layer of snow. This can happen a number of times. Finally the hailstone is too heavy to travel on the wind, and it falls to the ground.

Only a thunderstorm(±©·çÓê), a storm with loud noises and lightning can produce hail, but very few of them do. Perhaps only one in 400 thunderstorms creates hailstones.

A hailstone is usually less than eight centimeters in diameter. However, hailstones can be much bigger than that. Sometimes they are as big as baseballs. The largest hailstone which people have ever recorded weighed over 680 grams and had a diameter of thirteen centimeters.

Hail can cause the death of plants, especially since hail usually appears in the middle of summer, when the plants are partly grown. If the crops are destroyed, it is too late to plant more, and the farmer has lost everything. In one terrible hailstorm in 1923 in Rostov, in Ukraine, twenty-three people and many farm animals were killed.

1.Which of the following is about HAIL?

A. B. C. D.

2.According to the passage, which of the following is the fact about hail?

A. Hail is formed of snow and ice. B. Hail can¡¯t be found in desert any more.

C. Hail often comes in cold winter. D. People can see snow more often than hail.

3.What does the underlined word ¡°them¡± in the fifth paragraph refer to?

A. Noises. B. Hailstones. C. Thunderstorms. D. Deserts.

4.What do farmers most probably think of hail according to the last paragraph?

A. Unusual. B. Common. C. Useful. D. Terrible.

5.What¡¯s the passage mainly about?

A. Different ideas about how hail forms. B. A brief introduction about hail.

C. The size and the weight of hailstones. D. The influence that hail causes.

1.A 2.A 3.C 4.D 5.B ¡¾½âÎö¡¿±¾ÎĽéÉÜÁËÊÀ½çÉÏÓÐÐí¶àÈË´Óδ¼û¹ýÑ©¡£µ«ÊDZù±¢¸üΪ³£¼û£¬ÉõÖÁ·¢ÉúÔÚɳĮÖС£ÔÚÎÄÖнéÉÜÁ˱ù±¢µÄÐγɡ¢³ß´çºÍÖØÁ¿¡¢±ù±¢µÄÓ°Ï켰Σº¦µÈ¶¼ÓнéÉÜ¡£ 1.ϸ½ÚÀí½âÌâ¡£Óɾä×Ó¡°Hail is a small round ball of alternating layers(½»»¥²ã) of snow and clear ice.¡±...

Hobbies are very important to a person. Without having any hobby,life won¡¯t be as colorful as it should be.

I have a number of hobbies , such as collecting stamps, playing musical instruments(ÀÖÆ÷£©,reading,and doing sport activities. When I am free,1 will spend time on my hobbies. When I am in a blue mood(ÇéÐ÷µÍÂ䣩,I will also do my hobbies to cheer myself up.

Hobbies can help us improve our moods. Many hobbies require you to put your heart in them.For example , when you play a musical instrument , you have to practice over and over in order to perform£¨±íÑÝ£©good music. After a period( Ò»¶ÎʱÆÚ)if you still enjoy it ,gradually( Öð½¥µØ)it will become a hobby of yours. But remember ,a hobby is like gold £¨½ð×Ó)under the ground;no hobby will come to your unless £¨³ý·Ç£©you dig it out yourself.If you can treat study as one of your hobbies,learning will be more enjoyable. I hope all of you can find your own hobbies and also have fun from them .

1.What makes our life colorful£¿

A. Playing musical instruments. B. Collecting stamps.

C. The blue mood. D. The hobbies.

2.Hobbies sometimes can make a person

A. in a blue mood B. find gold under the ground

C. cheer himself/herself up D. perform good

3.If we want to have a hobby,we must

A. practice over and over. B. put our heart in it.

C. spend a lot of time on it. D. all the above.

4.How can we make our study enjoyable£¿

A. Practice over and over. B. Improve our moods.

C. Treat our study as a hobby. D. We shouldn¡¯t have hobbies

5.Which of these is WRONG?

A. Hobbies are important for a person.

B. Playing musical instruments is a Kind of hobby.

C. If we often do something and don't enjoy doing it, it will be our hobbies someday.

D. A hobby can be gold if we dig it.

1.D 2.C 3.B 4.C 5.C ¡¾½âÎö¡¿ÎÄÕ´óÒ⣺ÕâÊÇһƪÈÕ³£Éú»îÀàÔĶÁ£¬Ö÷Òª½éÉÜÒµÓà°®ºÃÊǷdz£ÖØÒªµÄ¡£Ã»ÓÐÈκÎÒµÓà°®ºÃ£¬Éú»î²»»áÄÇô¶à×˶à²Ê¡£°®ºÃ¿ÉÒÔ°ïÖúÎÒÃǸıäÎÒÃǵÄÇéÐ÷£¬°®ºÃÐèÒª×Ô¼ºÈ¥·¢¾ò£¬ÄܰÑѧϰµ±°®ºÃÉú»î»á¸üÓä¿ì¡£ 1.ϸ½ÚÀí½âÌâ¡£¸ù¾ÝÎÄÖеľä×ÓWithout having any hobby,life won¡¯t be as colorful...

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