对菌痢治疗无效的抗菌药物是（）
A.SMZ-TMP
B.氧氟沙星
C.庆大霉素
D.青霉素G
E.阿齐霉素
参考答案：D
计算定积分∫-40|x+2|dx=______．
3. ---Did your parents take you to go on holiday?
--- I’d love_______ , but there was no room in the car.
A．to
B．to be taken
C．to have been taken
D．to take
