Which do you think is ________, health or wealth？

_______________will not continue if an ongoing operation is changed or deletedA、

受精发生在排卵后_________内，整个受精过程约需_______。

已获能的精子穿过次级卵母细胞_________为受精的开始，卵原核与精原核_________为受精的完成。

在妇产科临床，麦角新碱主要用于治疗______、______、______。

精子在经过宫腔时，受子宫内膜产生的淀粉酶影响，顶体酶上的____________被解除，此过程称为精子获能。正常情况下，受精发生在输卵管的____________。

29．__________ when you are on the bus or bike．

Which do you think is _________________important, health or wealth?

And they can ______their passports______，making leaving or “escaping” virtually impossible.

临床上将妊娠全过程分为3个时期，妊娠____________末以前，称早期妊娠；妊娠____________至____________末为中期妊娠，妊娠__________及以后为晚期妊娠。

Duty is an act or a course of action that people __________you to take by social customs, law or religion.

正常精液量为________、________为异常；pH为________，在室温中放置________内完全液化，精子总数________，异常________；活动数________，异常为________；异常精子________，异常为________。