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问题 选择题

下列图形中，不一定是轴对称图形的是（　　）

A．等腰三角形

B．线段

C．钝角

D．直角三角形

答案

A、是轴对称图形，故选项错误；

B、是轴对称图形，故选项错误；

C、是轴对称图形，故选项错误；

D、不一定是轴对称图形如不是等腰直角三角形，故选项正确．

故选D．

阅读理解

阅读理解。

     My name is Li Lei. I have three good friends. They are Linda, Gina, and Frank.We like sports.My

favorite(最喜爱的) sport is ping-pong. I have three  ping-pong balls. I think (认为)  ping-pong is fun.  

But Linda and Gina think it is boring.  Their(她们的)  favorite sport is baseball. .They play base  ball

at school. Frank is a nice boy. His favorite sport is soccer. He plays it well.

根据短文内容 ,判断正 ( T)误 ( F) .

( )1. Li Lei has four good friends.

( )2. Linda thinks ping-pong is fun.

( )3. Frank's favorite sport is baseball.

( )4. Linda and Gina play baseball at school.

( )5. Frank plays soccer well.
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单项选择题 A3/A4型题

患者女性，25岁。平素月经规则。现停经2月余， * * 流血10日。妇科检查：子宫如孕14周大，软，轻压痛，双侧附件区触及5cm囊性包块，壁薄活动好，无压痛。血HCG增高明显。

此例最可能的诊断是 （）

A.异位妊娠

B.早孕合并子宫肌瘤

C.葡萄胎

D.子宫肌瘤红色变

E.卵巢巧克力囊肿
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