问题
单项选择题 A1型题
先天性泪溢最常见的原因是（）。
A.先天性泪囊膨出
B.先天性脑膜膨出
C.Hasner瓣阻塞
D.先天性皮肤泪道瘘管
E.新生儿结膜炎
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
先天性泪溢最常见的原因是（）。
A.先天性泪囊膨出
B.先天性脑膜膨出
C.Hasner瓣阻塞
D.先天性皮肤泪道瘘管
E.新生儿结膜炎
参考答案：C
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| In the United States, Monday is the beginning of the workweek(工作周). It is the day most Americans like __1__. And it is certain that the day they like most is Saturday. Saturday is the __2__ of the workweek, and it is the beginning of the weekend. Life is __3__at weekends. Most Americans take care of their houses, cars or gardens. They __4__ the feeling that time seems to move slowly. The workweek is for things you have to, but the __5__is for things you want to do. Some people may get in a car and go for a __6__ in the country. They like to take part in outdoor activities. They __7__ go to a public eating or a film on Saturday night. The __8__ of weekends is a recent invention(近期的发明). In the 1870s, rich people began to speak of __9__ weekends in the country visiting friends. For most people, however, the workday was six days __10__ .
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