题目内容

Must we hand in our homework now?（）

A. Yes, you will
B. Yes, you mustn‘t
C. No, you needn‘t
D. No, you mustn‘t

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对除盐水经常监督的项目是（）

作物生产上的种子包括下列器官（）。

A. 种子
B. 果实
C. 块根
D. 块茎
E. 茎段

投标保证金应当在投标有效期满后30天内一直有效，其目的是给借款人在需要索取保证金时，有足够的时间采取行动。

A. 正确
B. 错误

It is apparent that there was not sufficient depth of water（）and I claim that the estimated arrival draft as radioed to the agent to report to you was a close one.

A. for my vessel crossing safely
B. my vessel is to cross safely
C. for my vessel to cross safely
D. for my vessel's crossing safely