Strange things happen to time when you travel because the earth is divided into twenty-four zones（时区）, one hour apart（一个时区相差一小时）. You can have days with more or fewer than twenty-four 　　hours, and weeks with more or fewer than seven days.

　　　　If you make a five-day trip across the Atlantic Ocean（大西洋）,your ship enters a different time zone every day. As you enter each zone, the time changes one hour. Travelling west, you set your clock back, travelling east you set it ahead. Each day of your trip has either twenty-five or twenty-three hours.

　　If you travel by ship across the Pacific, you cross the inter-national date line. By agreement, this is the point where a new day begins. When you cross the line, you change your calendar（日历） one full day, backward or forward. Travelling east, today becomes yesterday,travelling west, it is tomorrow.

　　根据短文内容，选择最恰当的答案。

1. Strange things happen to time when you travel because______.

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　　　　　　 A. one day has twenty-four hours

　　　　　　 B. no one knows where time zones begin

　　　　　　 C. the earth is divided into time zones

　　　　　　 D. how time flies

2. The difference in time between zones is ______.

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　　　　　　 A. one hour

　　　　　　 B. more than seven days

　　　　　　 C. seven days

　　　　　　 D. one day

3. If you travel across the Atlantic Ocean, going east,you set your clock ______.

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　　　　　　 A. one hour ahead in each time zone

　　　　　　 B. one hour ahead for the whole trip

　　　　　　 C. one full day back for each time zone

　　　　　　 D. one hour back in each time zone

4. From this passage, it seems true that the Atlantic______.

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　　　　　　 A. is in one time zone

　　　　　　 B. is divided into twenty-four zones

　　　　　　 C. is divided into five time zones

　　　　　　 D. is divided into seven time zones

5. The international date line is the name for ______.

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　　　　　　 A. the beginning of any new time zone

　　　　　　 B. any point where time changes by one hour

　　　　　　 C. the point where a new day begins

　　　　　　 D. the point between two different zones

完形填空

　　Last week 1 was trying to cheer up Jim- my--the Bike Boy. But this week, Jimmy is happy again. 2 Monday he told a radio inter viewer that he had 3 out of money to buy bikes. He also put up some signs asking for old bikes 4 called up all his friends and told them 5 the problem. He even handed out advertisement at a local supermarket. Then he told the teachers at school about his problem and they set up a call-in center for 6 So parents could help them, too. The strategies 7 he came up with worked out fine. He now has sixteen bikes to fix up and give away to children who 8 have bikes. So Jimmy is very 9 and put all his bikes in front of the school. Any child who doesn't have a bike could get an old 10 .

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inter________ting

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