(1)
答案:C
It’s not _________ good idea to drive for four hours without _________ break.
A.a; a
B.the; a
C.the; the
D.a; the
以下哪种不是治疗瘿病的含碘类药?()
A.海带
B.黄药子
C.海藻
D.昆布
E.海蛤壳