当一船听到“一短一长一短”的雾号显示在本船的右前方，且对该船

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问题单项选择题

当一船听到“一短一长一短”的雾号显示在本船的右前方，且对该船在事先未用雷达探测到，则应：（）

A.立即向左转向

B.应先寻找来船

C.立即将船速降低到可维持舵效的最小船速，必要时应把船完全停住

D.立即向右转向

答案

参考答案：C

阅读理解

阅读小天地。根据短文内容判断下列句子的正(√)误(×)。

This is the twins' bedroom. It isn't big, but it is very nice. The two beds look the same. This bed is Lily's

and that bed is Lucy's. The twins have one desk and two chairs. Their clock, books and pencil cases are on

the desk. There are some flowers on the desk, too. There is a family photo on the wall. Can you see a kite?

Yes, it's under Lily's bed. The bedroom is very nice. They like it very much.

( ) 1. The twins are in different rooms.

( ) 2. We can see a kite under Lucy's bed.

( ) 3. There are some flowers on the desk.

( ) 4. They don't have a TV in the bedroom.

( ) 5. They like this small but nice bedroom very much.

选择题

动物的社会行为的特征不包括（　　）

A．群体内部成员之间分工合作

B．群体内成员各自独立生活

C．有的群体中还形成等级

D．群体内部成员之间具有组织性