问题
单项选择题
以下化学结构的药物为()
A.青霉素钠
B.舒巴坦
C.阿奇霉素
D.头孢噻肟钠
E.阿莫西林
答案
参考答案:E
以下化学结构的药物为()
A.青霉素钠
B.舒巴坦
C.阿奇霉素
D.头孢噻肟钠
E.阿莫西林
参考答案:E
基本语法选择合适的介词填空 | |
2. We left Hang Zhou ________the afternoon of October 15. 3. He called me__________ Sunday morning. 4. He had an accident________12 o’clock last Sunday. 5. They arrived________ this time yesterday. 6. My daughter was born ______ Julyl961. 7. The First World war broke out ______ 1941 and ended_____1918. |