肺部CT的应用指征不包括（）
A.肺部弥漫性病变
B.咯血
C.肺气肿
D.大范围气胸
E.肿瘤分期
参考答案：D
— ______ do you have the drawing lessons? The pictures you draw are so beautiful.
— Once a week. I began having drawing lessons at the age of five.
A．How often
B．How much
C．How long
D．How many
溶酶体的功能包括（）
A.细胞内消化
B.自溶作用
C.解毒作用
D.以上都不是
