女性，26岁，结婚二年未孕，月经周期规律，现停经40天，近一周觉

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问题单项选择题

女性，26岁，结婚二年未孕，月经周期规律，现停经40天，近一周觉 * * 胀痛，尿妊娠试验(±)，基础体温曲线示高温相已达26天，最可能的诊断是

A．卵巢早衰

B．早期妊娠

C．子宫性闭经

D．月经前期

E．垂体性闭经

答案

参考答案：B

阅读理解

阅读理解。

This is Andy's room. It is not very big, but the window is big and the bedroom is bright. We can see some

pictures and a nice kite on the walls. Andy's bed is small .A clock is on the table and some bottles of milk are

under it. A desk is near the window. The desk is small. Andy puts all her books in the desk and some clothes in

it, too. There are some flowers on Andy's desk. Some are purple, some are red, some are yellow and the others

are white. They are very nice. She likes to help others.

根据上文内容填空。

1. Andy's books are ____________. We can't see them.

2. The flowers are in ____________.

3. Andy's bedroom is not ____________. There are many things in it.

4. _____________________________ are on the walls.

5. There is a desk ____________________________.

解答题

已知二次函数f（x）满足f（x+1）+f（x-1）=-2x²+4x，

（1）求f（x）解析式；

（2）求当x∈[a，a+2]，时，f（x）最大值．