万古霉素与庆大霉素合用()
A.相加
B.拮抗
C.无关
D.协同
E.毒性
参考答案:E
根据句意及首字母或汉语提示完成单词
1. There are lots of beautiful flowers in the g ______.
2. There is a big b______ over the river (河).
3. Your room is a little d______. Please clean it.
4. We often go to eat dinner in a ______ (饭店).
5. Every year many people come to ______ (参观) the place.
第五套人民币1999年版1元纸币于()开始发行。
A、1999.10.1
B、2004.7.30
C、2001.9.1
D、2002.11.18