抗铜绿假单胞菌作用最强的头孢菌酶素是（）。
A.头孢哌酮
B.头孢他啶
C.头孢孟多
D.头孢噻吩
E.头孢氨苄
参考答案：B
A. includes; including B. contains; included C. include; includedD. contains; including
.The teacher recommended that every student England party.
A. took active part in B. takes active part in C. take active part in D. would take active part in
. take active part in D. would take active part in