_____________ a hot sunny day![ ]
A. How
B. What
C. Where
D. When
答案：B
—Is her name Betty?
— .
A. Yes, she is B. No, she isn’t C. No, it isn’t
下述哪种情况少见实证（）
A.体质壮实
B.病情激剧
C.长期泻泄
D.新起暴病
E.外感六淫
