题目内容

听下面一段材料,回答 10~12 题。
第 10 题 When do children start school in the man’s country?

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Why is the woman going to give up swimming?

From the letter,we can know___.

隧道洞内供衬砌用的临时中线点,必须用()测定,其间距可视放样需要适当加密。A.水准仪B.测距仪C.全站仪D.经纬仪

根据下列文章,回答 61~65 题。
第 61 题 Paula

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