可用于耐药金葡菌感染的半合成青霉素是()
A.苯唑西林
B.氨苄西林
C.羧苄西林
D.阿莫西林
E.青霉素V
参考答案:A
求下列各式中的x值:
(1)144x2=64
(2)3x3-24=0
(3)(5-x)2=49
(4)(x-0.7)3=0.064.
It is the news ()most parents of the hope that there is a safe and socially approved road to a kind of life they themselves have not had, but their children can.
A.that deprive
B.that it deprives
C.that deprives
D.when it deprives