问题
单项选择题
小儿斜视矫正术后恶心呕吐哪项不对（）
A.术前用阿片类药者发生率较高
B.麻醉时间小于30分钟，发生率较低
C.3岁以下幼儿发生率较高
D.丙泊酚诱导可降低发生率
E.术后应禁食一段时间并禁止过早活动
答案
参考答案：C
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小儿斜视矫正术后恶心呕吐哪项不对（）
A.术前用阿片类药者发生率较高
B.麻醉时间小于30分钟，发生率较低
C.3岁以下幼儿发生率较高
D.丙泊酚诱导可降低发生率
E.术后应禁食一段时间并禁止过早活动
参考答案：C
| 阅读短文，将下列句子还原到文章中。 | |
| From a plane we can see the fields, cities, mountains or seas below. 1 . People and man-made satellites have been sent out into space to look at the earth carefully and peep, and have learnt more about the earth in the last few years. The sea looks very beautiful when the sun is shining on it. 2 . 3 . It nearly covers three quarters of the earth. The sea is also very deep in some places. There is one place and at that place the sea is about 11 kilometers deep. The highest mountain in the world is about 9 kilometers high. If that mountain was put into the sea at that place,there would be still 2 kilometers of water above it! In most part of the sea, there are many kinds of fishes and plants, Some live near the top of the sea. Others live deep down. 4 . 5 . When people go down, the sea becomes colder and colder. Only some men go down into the deep sea. But, in 1970, five women scientists lived in deep sea for fourteen days.
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