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问题 单项选择题 A型题

儿童期最常见的白内障，因晶状体在胚胎某一时期的代谢障碍所致，（如图）最有可能是何种类型的白内障（）

A.先天性绕核白内障

B.先天性前极白内障

C.先天性后极白内障

D.先天性点状白内障

E.以上都不是

答案

参考答案：A

单项选择题

主要用于显示、输入、更新数据库中的字段的控件类型是

A．结合型

B．非结合型

C．计算型

D．非计算型
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单项选择题

There was a woman in Detroit, who had two sons. She was worried about them, especially the younger one, Ben, because he was not doing well in school. Boys in his class played jokes on him because he seemed so (21) The mother (22) that she would help her sons to do (23) in school by herself. She told them to go to the Detroit Public Library to (24) a book a week and do a book report for her.
One day, in Ben’s class, the teacher held up a rock and asked (25) anyone knew it. Ben put up his hand and the teacher let him (26) . "Why did Ben raise his hand" all of his (27) whispered (耳语) and wondered. "He (28) said anything. What could he possibly want to say" To their surprise, Ben not only (29) the rock, but also said a lot about it. He (30) other rocks in its group and even knew (31) the teacher had found it. The teacher and the other students were (32) Ben had learned this from doing one of his book (33) .
Later Ben became the (34) student of his class. When he finished high school, he went to Yale University and (34) became one of the best doctors in the United States.

Ⅱ. 完形填空

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阅读下面短文，从短文后各题所给的四个选项(A、B、C和D)中选出一个最佳选项。

A．well

B．bad

C．right

D．good
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