二萜烯的通式是( )
A.(C5)H8))6B.(C5H8)4C.(C5H8)3D.(C5H8)2E.(C5H8)
参考答案:B
解析:[知识点] 萜类的结构
小题1:The ___________(树叶) turn yellow and fall in autumn.
小题2:Ronald Reagan was the____________ (四十)President(总统) of the U.S.A.
小题3:Mr. Hunt didn’t come to the party because he wasn’t ___________(邀请).
小题4:Tom is ____________(瘦) than any other boy in his class.
小题5:We should speak ____________ (礼貌地) to the old people.
小题6:He is now used to ____________(跑步) on the playground in the morning.
慢惊风的治疗原则是()
A.清热镇惊
B.清热豁痰
C.清心开窍
D.凉肝熄风
E.以上都不是