Mowry阿尔辛蓝过碘酸雪夫（声曲PAS）染色法显色结果是（） A.中性黏液物质呈红

阅读短文并判断正误，正确的写T，错误的写F。

      Look at the picture! There is a man in it. He is my uncle. He is my father's brother. He is an English teacher.

He is tall and strong. He is good at sports. My aunt is a nurse. She's quiet. She likes music. They have a child

(孩子). She's a girl. She has long hair. She's a student. She likes science. They are happy together.

( ) 1. There are four people in my uncle's family.

( ) 2. My uncle is my father's father.

( ) 3. My uncle likes sports.

( ) 4. My aunt is a student.

( ) 5. The girl likes science.

若a，b，c，d成等比数列，则函数（）。

A．有极大值，而无极小值

B．无极大值，而有极小值

C．有极大值，也有极小值

D．无极大值，也无极小值

俗话说，“人往高处走，水往低处流”，但在植物体内水却往高处流，其主要原因是（　　）

A．吸收作用

B．光合作用

C．呼吸作用

D．蒸腾作用

关于雌激素生理作用的叙述，说法正确的是

A．使子宫内膜增生，血管增长，腺体分泌

B．增强子宫平滑肌，输卵管平滑肌对催产素的敏感性

C．使 * * 上皮增生角化，糖原合成，维持酸性环境

D．促进女性附属性器官的生长，激发女性副性征的出现

E．以上都是

目前市场上最常见的机箱结构是（）.

A.AT

B.MicroATX

C.BTX

D.ATX