鉴别有无排卵的方法不包括（） A.基础体温 B.宫颈黏液查羊齿状结晶 C.B超监测卵

在其他因素不变的条件下，期权有效期越长，其时间价值也就越大。( )

短文改错.

     My sister saw a lovely cup when we are shopping the other day. She liked it at once. Then

she bent down and picked up to look at a price on it. As she did this, lots of tea splashed on

his T-shirt! I had to try hardly not to laugh at her shocked face! My sister wanted get out of the

shop as fast as she could when a shop assistant came over to us. It was turned out to be her

own cup, that she'd left on the shelf by mistake. The assistant was clearly as embarrassing as

my sister, for I just thought it was funny!

中 * * 党十七大报告指出，新时期最突出的标志是

A．改革开放

B．快速发展

C．与时俱进

D．开拓创新

呼吸衰竭的病因没有下面哪项：（）

A.胸廓畸形

B.气管异物

C.广泛肺炎

D.腹水、腹内压升高

E.氰化物中毒

下列有关温度与显影性能的说法，错误的是

A．提高温度使显影剂活性加大

B．温度过高使影像颗粒性恶化

C．温度过高可使照片灰雾减少

D．温度过高可导致乳剂膜松软

E．温度过高显影液疲劳度加速