Let's together now.[ ]
A.go home
B.go to home
C.to go home
D.goes home
答案:A
-Were they young then?
-__________________ [ ]
A. Yes, they weren't.
B. N0, they were.
C. Yes, they were.
对庆大霉素的评价,哪点是不正确的:
A.对铜绿假单胞菌感染无效
B.对G-杆菌作用强大
C.长期使用可能引起耳毒性
D.口服吸收少
E.主要以原形从肾脏排泄