两颊潮红、鼻翼煽动、唇有疱疹、咳嗽时表情痛苦,常见于( )
A.风湿性心脏病二尖瓣狭窄B.伤寒C.脑膜炎D.大叶肺炎E.脱水
参考答案:D
下列各组物质的性质中,都属于化学性质的是( )
A.溶点、毒性
B.密度、硬度
C.颜色、沸点
D.还原性、可燃性
White was killed in South Wales and the murder ran away. True False