对于持有《国际防止油污证书》的船舶，在进行《油类记录簿》记载

搜题请搜索小程序“爱下问搜题”

问题多项选择题

对于持有《国际防止油污证书》的船舶，在进行《油类记录簿》记载时应同时使用（）文字。

A.船上工作文字

B.船旗国官方文字

C.英文或法文

D.西班牙文

答案

参考答案：B, C

句型转换

按要求改写句子。

1. Jim is playing basketball now. (改成否定句)

Jim ___________ playing basketball now.

2. There are some books on the desk. (改成一般疑问句)

___________ there ___________ books on the desk?

3. Is Linda watching TV in her room? (作否定回答)

No, ___________ ___________.

4. The students are singing under the tree. (对画线部分提问)

___________ are the students ___________ under the tree?

5. The little girl is talking to her mother. (对画线部分提问)

___________ is the little girl ___________ to?

6. Mary is watching TV now. (用every evening改成一般现在时)

Mary ___________ TV every evening.

问答题简答题

试述鱼类原肠胚形成过程中胚环和胚盾的形成。