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—Could you please tell me ??
—Sorry, you can turn to Mr. Lee for help.?
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A．how long can man live without water? |
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B．whether Yao Ming would play for Rockets or not? |
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C．how I can keep myself safe from the flu? |
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D．why did a serious landslide happen in Zhouqu, Gansu Province ? |
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— Could you please tell me ?
? —Tomorrow morning.
?
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A．how I can get to the post office |
B．how long can I keep the book ? |
C．when to leave for Beijing |
D．where I should take the early bus |
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—How long can I keep the books?
—_____
A. Three. B. Three times.C. Three days. D. Very often.
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How would you like to live in a land where the sun shines day and night? There are place in the polar regions where, for North, the sun never sets! This is known as the land of the Midnight Sun. This period of sunlight can last up to six months.
This happens because the Earth tilts(倾斜). When the North Pole is tilted towards the sun, it has constant (不断) daylight. As the same time, the South Pole is tilted away from the sun. It is in darkness.
Six months later, the South Pole tilts to the sun and has constant daylight. Then the North Pole is tilts away. It has darkness.
1. Where can you see the Midnight Sun?
2.How long can the period of sunlight last?
3.Why can we see the Midnight Sun?
4.When there is Midnight Sun in the North Pole?
5.What happens in the South Pole?
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