下列检查卵巢排卵功能准确性最高的方法是 A．B超检查 B． * * 细胞学检查 C．基础体

In the past , people used _____that the moon was too far away ________.But now it is possible for man ____there by spaceship.

A．to think ,not to reach ,to get

B．to think ,to reach ,to get

C．to thinking ,to reach ,will get

D．thought ,to reach , to get to

用一个平面去截一个正方体，则截面的形状不可能为[ ]

A．四边形

B．七边形

C．六边形

D．三角形

下列资料属于等级资料的是

A．白细胞计数

B．住院天数

C．门诊就诊人数

D．患者年龄

E．患者治疗结果评定(治愈、好转、有效、无效)

What is the speaker’s problem().

A.He knows nothing about engineering.

B.He wants to postpone the presentation.

C.He never spoke to high school students before.

D. He is not yet ready for the presentation.

依托若干企业，形成互相提供信息、扩大销售和服务范围为主的企业集体，称为( )。

A．主导产品型
B．经营服务型
C．同一部门联合型
D．多元复合型