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【多选题】
下面哪些属于地下水环境影响预测因子？A.
污染场地已查明的主要污染物
B.
国家要求控制的污染物
C.
地方要求控制的污染物
D.
地下水环境影响识别出可能导致地下水污染的所有特征因子
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举一反三
【单选题】Only by shouting at the top of his voice ________. A) was he able to make himself hear B) he was able to make himself hear C) he was able to make himself heard D) was he able to make himself heard ( D...
A.
B.
C.
D.
D
【单选题】下列化学用语或名称正确的是（ ）
A.
S原子的结构示意图 ：
B.
乙酸乙酯的结构简式：CH 3 CH 2 COOCH 2 CH 3
C.
CH 4 Si的结构式：
D.
的名称：2-甲基乙醇
【单选题】Only by shouting at the top of his voice _____. A. was he able to make himself hear B. he was able to make himself hear C. he was able to make himself heard D. was he able to make himself heard
A.
B.
C.
D.
D
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