海船船员考试
单选题why do some stations keep silence?（）A Because they are not engaged in the distress trafficB they will affect the transmission of the distress trafficC The powers of these stations are very weakD They are not in charge of search and rescue
题目
Because they are not engaged in the distress traffic
they will affect the transmission of the distress traffic
The powers of these stations are very weak
They are not in charge of search and rescue
相似问题和答案
第1题：
A.Economic development depends on it.
B.The central government forces them to do that.
C.In order to let more people enjoy the beauty of the sites.
D.They are friendly and hospitable.
第2题：
A.seek out
B.look out
C.keep out
D.take out
第3题：
You have failed several times. Why not ________ some other way?
(A) try doing it
(B) to try to do it
(C) that you try it
(D) having tried
第4题：
29． Why do people like teleshopping?
A． Because they like watching TV．
B． Because they can do some shopping at home，
C． Because they like the heavy traffic．
D． Because they think the things on TV are good．
29.B【解析】主要原因就是不出家门就可以买东西。
第5题：
A.It is not perfect
B.It is against our traditional ethics and morality
C.It is against the natural law
D.It may devaluate real life
第6题：
What are they?()?
It’s a secret. But I’ll give you some hints, anyway.
A、Is it a secret
B、Can I have an idea about them
C、Why do you keep it a secret
第7题：
A.It can help those infertile couples
B.It may revolutionize organ transplantation
C.It could save seriously endangered species
D.It may solve the problem of starvation
第8题：
Mary: What are you working on? Susan: I'm doing some embroidery. Mary: ______ Susan: I don't do very much, just for very special occasions.
A．I didn't know you did needlework.
B．I think you have done a good job.
C．Where did you learn to do needlework?
D．Why do you do needlework?
解析：选项A中，Mary对Susan会刺绣表示意外，这与Susan的对答“我不常做，只是在特殊时候做一做。”语义相连。对于B的应答应该是礼貌地表示谢意，若选C或D，Susan的回答则显得答非所问。
第9题：
Why do hoatzins collect together in smaller groups when the rainy season comes?
A．To find more food.
B．To protect themselves better.
C．To keep themselves warm.
D．To produce their young.
第10题：
B.To enrich their knowledge of English
C.To entertain friends as they like
D.To enjoy much more freedom