根据某医院五种急性传染病的住院构成的资料，宜绘制（）
A.普通线图
B.散点图
C.直方图
D.直条图
E.构成图
参考答案：E
— What did the doctor say?
— His advice was that you ______ do more exercise. [ ]
A. had to
B. would
C. should
D. needed to
根据性质判断间的对当关系，若SAP为真，则（）。
A.SEP假、SIP真、SOP真假不定
B.SEP假、SIP真假不定、SOP假
C.SEP假、SIP真、SOP假
D.SEP真假不定、SIP真、SOP假
