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一胎龄33周早产男婴，生后第3天，体温39℃，呼吸不规则，有呼吸暂停现象。

正确的降温措施是（）

A.冰枕

B.酒精浴

C.退热药

D.散开包被

E.冷盐水灌肠

答案

参考答案：D

填空题

选词填空（共10分，每小题1分）

 

Alice was sitting with her sister by the river and her sister was小题1:___________ a book. Alice had nothing to do. Once or小题2:_____________ she looked into her sister’s book. “And what is a book for,” thought Alice, “without picture or conversation?” Suddenly a white rabbit with小题3:______________eyes ran by.There was nothing strange about that. She小题4:______________the rabbit say, “Oh dear! Oh dear! I’ll be late!” and she did not think it was strange. Then the rabbit took a watch out of its小题5:_____________ and looked at it. A rabbit with a pocket and a watch? Alice got up and ran across the小题6:____________ after it. She saw it go down a large rabbit小题7:_____________ in the ground.  

Then Alice went down after it, but never thought about how she was going to get out again. She小题8:_____________that she was falling down a very, very deep hole. It was too dark for her to see anything. She was falling for a long time.

小题9:she was falling, she was小题10:____________ about her cat, Dinah. Suddenly she landed on some dry leaves.
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计算题

如图所示，一根轻弹簧和一根细绳共同拉住一个重物，平衡时细绳恰处水平，此时弹簧的弹力大小为80N ，若烧断细绳，测出小球运动到悬点正下方时弹簧的长度正好等于未烧断细绳时弹簧的长度，试求：小球运动到悬点正下方时向心力的大小。

　　
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