哪个代谢产物可作为评价苯的接触指标（）
A.甲基马尿酸
B.马尿酸
C.尿酚
D.苯基硫醚氨酸
E.黏糠酸
参考答案：C
甲状腺功能亢进最严重的临床表现是（）
A.甲亢性心脏病并房颤
B.浸润性突眼
C.甲状腺次全切除术出血
D.甲状腺危象
E.甲亢性肌病
--- What did he say about his visit to Australia?
--- He said he would go there ______.
A．next month
B．two months ago
C．the following month
D．two months before
