人类确定的致癌物中,孕妇服药引起女儿 * * 癌的是()
A.己烯雌酚
B.2-萘胺
C.黄曲霉毒素B1
D.砷及其化合物
E.双氯甲醚
参考答案:A
To my mind, she is the most wonderful teacher that I’ve ever known, _________ is able to get across to her students ________ she really thinks and means.
A.which; that
B.that; as
C.who; what
D.who; that
排爆转移路线应尽量避开人员聚集,重要设施和()
A.指定区域
B.特别通道
C.交通要塞
D.控制区