阅读理解

　　What is the most useful dog in the world? In Australia they say it is the sheepdog . Australia is a country where they raise over 100, 000, 000 sheep. It would be impossible to care for them all if it were not for the sheepdog. A few people with some trained (经过训练的)sheepdogs can control huge flocks (羊群) easily.

　　It takes fifteen minutes a day for six months to train a sheepdog. It is taught to completely obey its master's signals (信号)and stop any sheep from leaving the flock.

　　There are sheepdog contests (比赛)in Australia that are as important to the people as a basketball match is in the United States. A kind of big sheepdog called collie usually wins most of these contests.

1．The best title is ________.

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A．Sheepdog Contests

B．The Sheepdog

C．100,000,000 Sheep

D．Controlling Huge Flocks

2．To control a huge flock takes ________.

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3．To train a sheepdog takes ________.

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4．One duty of a sheepdog is to keep the sheep ________.

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完形填空．

　　Sharon is a 1 girl. Today Mr and Mrs Black are 2 her to the amusement park(游乐场). The amusement park is 3 far from 4 . So they are taking the subway to go there. There are only a few people on the train. They all sitting 5 their seats. Sharon is happy. She is looking 6 from the window. “Come here and 7 .” Mr Black says. “I want this train can go 8 faster, then I can play in the park.”

　　It takes about forty minutes to arrive at the park. They 9 the tickets and go in. At noon, the Blacks are sitting 10 the table in the park. They're having lunch happily.

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阅读理解

　　A long time ago people thought the sun went round the earth. In some countries people even said the sun was a god (神) : they thought he drove across the sky each day on a golden horse. Now we know the earth goes round the sun. It takes the earth a year to go all the way round the sun . Today men even know how far it is for the earth to go round the sun. They tell us that the earth travels over a thousand miles a minute on its way round the sun.

　　The sun is really a star. It is much bigger than the earth and it is very hot. Some people have been to the moon, but we know that no one can go to the sun. It is far too hot for people to live anywhere near it. The sun is three hundred thousand times heavier than the earth and more than a million times larger.

1．In one hour, the earth travels round the sun for ________.

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2．No one can go to the sun because _______.

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A．It is too far away from us

B．it is too hot

C．it is much bigger than the earth

D．it is much heavier than the earth

3．From this passage we know that _______.

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A．the sun is much bigger and heavier than the earth

B．the sun is very hot

C．the earth goes round the sun

D．all of the above