治疗耐药金黄色葡萄球菌所致的严重感染的药物是()
A.异烟肼+链霉素
B.青霉素+链霉素
C.青霉素G+磺胺嘧啶
D.羧苄西林+庆大霉素
E.苯唑西林+庆大霉素
参考答案:E
The rodent ______ the mouse, rat, guinea pig, and porcupine, are mammals with incisor-like teeth in both jaws.
A.made up
B.including
C.consisting
D.constitute
压井管线应尽量平直少弯,弯头大于()。
A.60°
B.90°
C.120°
D.75°