The pop song sounds ______.[ ]
A. good
B. well
C. beautifully
D. nicely
答案：A
It will be quite a long time______she is back again, so don’t be too cross with her.
A．that
B．since
C．before
D．until
肺下积液可见下列哪项征象
A．横膈矛盾运动
B．横膈连续征
C．横膈下降
D．横膈上升
E．假横膈
