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【单选题】
导致日本“水俣病”事件的主要物质是A.
甲醛
B.
汞
C.
铬
D.
镉
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举一反三
【简答题】出卖法是政府委托推销机构利用金融市场直接售出国债。( )
【简答题】政府委托推销机构利用金融市场直接售出国债的国债发行方法是（ ）。
【简答题】Section D. 19. How many books can a student borrow? books.
【单选题】He left ________with my secretary that he would call again in the afternoon and he did keep his ________.
A.
words; words
B.
word; words
C.
word; word
D.
the word; words
【简答题】He did keep his word.
【单选题】毛氏I1错牙合畸形的主要机制是
A.
牙量相对大于骨量
B.
牙量相对小于骨量
C.
上下颌或上下牙弓的宽度过小
D.
上颌或上下牙弓的长度过大
E.
下颌或下牙弓的长度过大
【单选题】Why did he keep his dream hidden within his heart? ( )
A.
He did not want others to know his secret.
B.
He had no friend to tell what he thought.
C.
He wanted to fulfill his dream before he told it to others.
D.
He was very unhappy when all his classmates, friends and even his teachers made fun of him.
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