常用的预防接种方法有哪些()。
A.皮下注射
B.肌肉注射
C.口服法
D.皮内注射
E.以上都是
参考答案:E
根据汉语,用时间状语从句完成下列句子。
1. We were working in the fields ______ (当天开始下雨时) .
2. Mike got up ______ (他一听到铃声).
3. She went to bed ______ 她完成作业后)
4. He didn't go home ______ (直到他看到) his father.
5. Don't forget to check your homework ______ (在你上交之前).
对全身各脏腑起着温煦生化作用的主要是
A.卫阳
B.肺气
C.心阳
D.胃气
E.肾阳