最易通过胎盘的药物是（）
A．维库溴铵
B．琥珀胆碱
C．硫喷妥钠
D．泮库溴铵
E．罗库溴铵
参考答案：C
根据句意，用所给单词的适当形式填空。
1. Diving is as (dangerous) as skiing
2. Today is the (bad) day in my life.
3. I have a friend (name) Max.
4. I never feel (bore) when he is with me.
5. He is _______(fat) of the three.
自然界中有常绿的树，有没有常绿的叶？
