上述结构是环丙沙星的是
A.AB.BC.CD.DE.E
参考答案:D
告别依赖,一个重要的表现是[ ]
A、对生活的热爱
B、有强烈的好奇心
C、树立崇高理想
D、独立地生活
—Why did you come back so early?
—The English party has been till next Friday. [ ]
A.put on
B.put off
C.put away
D.put out