用综合检验方法检验一对离合器的贴合面积时，一般不少于_____。

检验一般精度的圆锥面角度时，常采用_______测量方法。

用综合检验方法检验一对离合器的贴合面积时，一般不少于_______。

血小板的止血功能有___、______、______、______、______、______。

WHO推荐血小板直接计数用的稀释液是________，其计数的参考范围是________。

病原菌的检验程序主要有_______、_______、_______、_______。

I had no ______of who I was or what I was going to be.

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

Which do you think is _________________important, health or wealth?

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

Children who are not active or ______ diet is high in fat will gain weight quickly.

恶性肿瘤进行化疗或放疗时，应每______检查白细胞及血小板计数，如白细胞计至______，血小板降至________时应暂停治疗。