支气管哮喘的肺功能异常,主要表现在
A.肺活量减少B.最大通气量增加C.第1秒钟用力呼气量减少D.弥散量下降E.功能残气量减少
参考答案:C
用括号内所给词的适当形式填空
1. We are learning English, so we are all English (learn).
2. I'm afraid of________ (take) exams. What about you?
3. The girl was (excite) about the result of the test.
4. Sorry, my (pronounce) is so poor. Can you help me?
5. The little boy is quite shy. He is (terrify) of speaking in public.
下图药材为()
A.芒硝
B.茯苓
C.赭石
D.乳香
E.灵芝