When you play football, it's dangerous to players and falling down． [ ] A． knock into B． knock at C． knock on D． knock off 题目和参考答案——青夏教育精英家教网—

题目内容

When you play football, it's dangerous to ________ players and falling down．

[　　]

A．

knock into

B．

knock at

C．

knock on

D．

knock off

答案：A

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　　Conrad Hubert i________ the flashlight in 1898 in the United States. He worked for Joshua Lionel Cowen, who w________ the original (原来的)owner of the American Eveready Battery Company. Cowen h________ invented a flower-pot w________ a battery in it. E________ from the battery made the flower “light up” when you p________ a button.

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缺词填空先通读下列短文，掌握其大意，然后根据短文内容和所给首字母，在空格内填入一个适当的词，使短文意思完整。所填单词在题后横线上必须完整写出（本大题共6分，每格0.5分）
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When you look at a book, it sends to your eyes some of the light which falls on it, and you see the book. If light could be kept out from w__【小题7】__ you are, so that there would be no light for the book to reflect, then you could not see the book e__【小题8】__ with your eyes wide open.
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缺词填空（共10空；每空1分，计10分）

根据短文内容和首字母提示，在下文空格处填入适当的词使短文完整。（每空一词）

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When we graduate from school, we can continue to learn. Make lifelong learning one of your goals!

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