地跨热带、温带、寒带的大洲是 [ ]
A.非洲
B.北美洲
C.南美洲
D.南极洲
答案:B
That's really typical()John. He says he'll come but he never turns up.
A.for
B.of
C.to
D.with
历节病的主症是()。
A.身疼痛
B.脚肿如脱
C.肌肤麻木不仁
D.遍历关节疼痛
E.消瘦