下列不属于大环内酯类抗生素的药物是
A.红霉素
B.阿奇霉素
C.克拉霉素
D.罗红霉素
E.克林霉素
参考答案:E
粘贴操作的快捷键是()。
A.Ctrl+A
B.Ctrl+C
C.Ctrl+X
D.Ctrl+V
Visitors were at the pictures that the guide showed.
A.amazed; amazing
B.amazed, amazed
C.amazing, amazing
D.amazing, amazed