用括号里所给词的适当形式填空。每空一词。

小题1:_________________ (woman) Day is my sister’s favourite festival in the year.

小题2:We need to realize the           (important) of making full use of our time.

小题3:After lying in bed for three hours, I felt even           (sleepy).

小题4:Miss Wang likes wearing _______________ (colour) clothes.

小题5:-- Maths is too difficult. I nearly give it up.

-- Please don’t. Nothing is _______________ (possible) if you put your heart into it.

指出下列处方中各成分的作用：防腐剂（）。

A．醋酸氢化可的松微晶25g 

B．氯化钠8g 

C．吐温803.5g 

D．羧甲基纤维素钠5g 

E．硫化汞0.01g