请根据下面短文回答题: Americans use the word“friend”in their own way.A

请根据下面短文回答题: Americans use the word“friend”in their own way.Americans have schoo

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有一块边长24厘米的正方形纸片,如果在它的四个角各剪去一个小正方形,就可以做成一个无盖的纸盒。现在要使做成的纸盒容积最大

有一块边长24厘米的正方形纸片,如果在它的四个角各剪去一个小正方形,就可以做成一个无盖的纸盒。现在要使做成的纸盒容积最大,剪去的小正方形的边长应为几厘米?A.2

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He says mat he ___________ his house cleaned once a month.

He says mat he ___________ his house cleaned once a month. A.puts B.has C.keeps

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The poor old woman couldn’t buy ___________ much food.

The poor old woman couldn’t buy ___________ much food. A.she B.hers C.herself

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He __________ home for his office at 80’clock that mornin9.

He __________ home for his office at 80’clock that mornin9. A.returned B.went C.

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