对油田注水水质的总铁含量要求标准为()。
A.≤2mg/L
B.<0.5mg/L
C.≥2mg/L
D.≥0.5mg/L
参考答案:B
---- What ______great fun it would be if we could light candles to celebrate his birthday!
---- Forget it! The teacher in _______charge of our dorm won’t be happy to see that.
A./; /
B./; the
C.a; the
D.a; /
产品责任险的投保人可以是()。
A.生产商
B.出口商
C.中间商
D.批发商
E.货运商