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【单选题】
三种短周期元素在周期表中的位置关系如图所示，则关于A、B、C 三种元素的叙述正确的是 [ ]A.
A的摩尔质量为8g/mol
B.
B的最高价氧化物的化学式为HBO 4
C.
C的一种氧化物为大气污染物
D.
A、B、C三种元素中A的非金属性最强
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【简答题】Even in the same language, the same concept can be expressed in different w____.
【单选题】True or false. Shadowing involves repeating what the speaker says, word for word, in the same language. Normally, the interpreter will be a word or two behind the speaker as one repeats what has been ...
A.
T
B.
F
【简答题】简述激动药与拮抗药的特点。
【判断题】A synonym is a word or phrase that means exactly or nearly the same as another word or phrase in the same language.
A.
正确
B.
错误
【简答题】I said good morning to him in ______ and he replied in the same language.
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