问题
单项选择题 A型题
有关准分子激光角膜切削术的叙述以下哪一项不正确（）
A.准分子激光波长193nm
B.准分子激光对角膜穿透力大
C.准分子激光热效应低
D.准分子激光具有精确去除角膜组织的效应
E.切削表面非常光滑
答案
参考答案：B
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有关准分子激光角膜切削术的叙述以下哪一项不正确（）
A.准分子激光波长193nm
B.准分子激光对角膜穿透力大
C.准分子激光热效应低
D.准分子激光具有精确去除角膜组织的效应
E.切削表面非常光滑
参考答案：B
| 完形填空。 | |||
| A boy was walking in the street l a man came over 2 him and 3 him the way 4 the station. The boy was very naughty. He wanted 5 a trick on the man. He pointed to 6 side of the road and said, " Go down the street until you reach a shop. You can find it on your left. " The man thanked him and went away. A few minutes 7 ,the man came back. He said to the boy that there was only a bookshop there and he 8 find the station. The boy 9 and said," 10 a map in the bookshop, and you'll find the way ! " | |||
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