题目内容

下述钻探方法中()为岩芯钻进方法。()

A. 土层圆筒形钻头冲击钻进
B. 孔底全面钻进
C. 钻粒钻进
D. 金刚石钻进

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At first _____ I thought it was Mary, but when I looked again I saw it was Jane.

A. sight
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The old woman drew a deep _______ at the sad news.

A. signal
B. sign
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He never told us why he was late for last meeting, ______?

A. wasn't he
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He turned his pockets _______ out in search of his tickets.

A. inside
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C. in
D. in and

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