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问题 单项选择题

煤矿安全监察机构对煤矿建设工程安全设施和条件进行验收，应当自收到申请验收文件之日起（）日内验收完毕，签署合格或者不合格的意见，并书面答复。

A.45

B.60

C.15

D.30

答案

参考答案：D

填空题

夏季闷热的夜晚，紧闭门窗，开启空调，由于室内外温差大，第二天早晨，玻璃窗上常常会出现一层水雾。这层水雾是在室内一侧，还是在室外一侧？请写出你的猜想及你猜想的依据。你的猜想是：呈在      侧（选填“室内”或“室外”），你猜想的依据是：            。
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单项选择题

Many word processing programs include spell checker. It checks the spelling of every word in a (120) by looking up each word in its dictionary. If the word does not appear in the dictionary the user is (121) to possible misspelling and possible corrections are often (122) . Spell checker does not recognize unusual people names or specialized terms, but it will often allow you to create your own personal dictionary of specialized words you often use. Spell checker is a valuable aid to proofreading, but it can not catch the (123) of one correctly spelled word for another (such as form for from). Thus it does not (124) a document is free of spelling errors.

A．committee

B．correct

C．guarantee

D．prove
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