在基准面()米及其以上有可能坠落的作业人员必须佩带安全带。
A、1
B、2
C、3
参考答案:B
根据下面所设情景,选择恰当的选项。
1. 当你想问别人邮局在哪里时,应说:[ ]
A. What is the post office?
B. Is this a post office?
C. Do you know where the post office is?
2. 当你想问那张贺卡多少钱时,应说:[ ]
A. How much is the card?
B. How is the card?
C. How old is the card?
3. 当你想问对方是否会照相时,应说:[ ]
A. May I take your picture?
B. Can you take a picture?
C. Can you help me to take a picture?
4. 当你想问发生了什么事时,应说:[ ]
A. What happening?
B. What is happen?
C. What happened?
5. 当你想问火车站是否有许多人时,应说: [ ]
A. How many people are there in the train station?
B. Are there many people in the train station?
C. Does the train station have many people?
有关早产儿的护理,以下哪项不正确()。
A.合理营养
B.注意保暖
C.预防感染
D.预防窒息
E.及早输血输液