男性,34岁,发热,咳嗽,咳砖红色胶冻样痰,该患者可能是
A.二尖瓣狭窄
B.大叶性肺炎
C.克雷伯杆菌肺炎
D.支原体肺炎
E.肺梗死
参考答案:C
下列关于蓝藻的说法,不正确的是[ ]
A.发菜、颤藻、念珠藻都属于蓝藻
B.单个细胞直径虽比细菌大,但肉眼是分不清的
C.蓝藻中的叶绿体含有藻蓝素和叶绿素
D.蓝藻是能自养的原核生物
As I became older, I came to like ____ things.
A.more and more simple
B.more simpler and simpler
C.much simpler ans simpleer
D.more and more simpler