You may BEST turn a twin-screw vessel about，to the right，in a narrow channel by using ______.A.Both engines ahead and helmB.One engine onlyC.Port engine ahead and the starboard engine asternD.Both engines astern and use helm

题目

You may BEST turn a twin-screw vessel about，to the right，in a narrow channel by using ______.

A.Both engines ahead and helm

B.One engine only

C.Port engine ahead and the starboard engine astern

D.Both engines astern and use helm

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1.He tried in vain to _________ the students __________ their professors.A. turn⋯againstB. turn⋯toC. turn⋯outD. turn back

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参考答案和解析
正确答案：C
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