妊娠合并心脏病早期心衰的表现是()。
A.夜间因胸闷而坐起呼吸
B.运动后气促、胸闷
C.发绀、杵状指
D.不能平卧,肺底布满湿啰音
E.不明原因发热
参考答案:A
湿法制粒包括()。
A.过筛制粒
B.一步制粒
C.喷雾干燥制粒
D.高速搅拌制粒
If the island ________ a tourist attraction, last week's earthquake would have caused far more deaths.
A.remained
B.would remain
C.has remained
D.is to remain