我国诗歌的黄金时代是[ ]
A.汉朝
B.唐朝
C.宋朝
D.明朝
答案:B
—How was your weekend?
—We ______ great fun playing in the park. [ ]
A. have
B. were
C. had
D. has
哪个不是肾前性急性肾衰竭的诱因()
A.大量利尿
B.心衰
C.大量失血
D.双侧输尿管结石
E.脱水