喘证的临床表现为()
A.气息急促
B.呼吸困难
C.鼻翼煽动
D.喉间痰鸣
E.难以平卧
参考答案:A, B, C, E
加热胆矾的实验过程中,相关实验操作正确的是( )
A.
取样
B.
加料
C.
加热
D.
熄灭
—_____ Mary cleaning her room?
—No, she is _____.[ ]
A. Does, reads
B. Can, read
C. Is, reading
D. Does, reading