What is it that occurs(出现)once in a second, once in a month, once in a century, yet not at all in a year or a week?

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Some hens and cats are in a room．There are 36 legs and 15 heads in all．How many hens and cats are there in the room?

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There were ten men outside under one small umbrella．None of them got wet．Why not?

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Jane has a ＄15.00 token(购书券)．Here are some of the books she would like to buy．Which books will she get if she spends ＄15.00 exactly(精确地；准确无误地)?

A．Schoolgirls’ Life ＄9.95

B．Show Jumping ＄4.50

C．James and the Peach ＄1.55

D．Pocket Book of Birds ＄2.95

E．Standard Dictionary ＄3.50

What is the question that has millions of correct answers? That is to say, everyone gives a different answer, but everyone is correct?

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If you want to get rich, why should you keep your mouth shut?

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Which of the following words isn’t like the other four?

language　mathematics　reading　spelling　grammar

Looking at a clock in the mirror(镜子), the time appears to be half past four．What time is it now?

A．7∶30

B．4∶30

C．2∶30

D．5∶30

What belongs to(仅属于)you but is used more by others than yourself?

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书面表达。

根据以下要求，写一篇文章，字数60～80之间。要求：内容全面，句子正确，卷面整洁。

内容：我是李明，爱好广泛，想同别人用英语交谈，感到困难很大，心里很着急，不知道怎样提高英语水平。希望同学们给与帮助。