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【单选题】
下列各种叙述中,错误的是 . ( )A.
质量作用定律适用于元反应；
B.
在一定条件下，每一化学反应都有各自的速率方程式；
C.
复合反应的速率方程式有时与质量作用定律相符合；
D.
复合反应的每一步反应的速率方程式都不符合质量作用定律。
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【单选题】Which sentence about the "mall" or "shopping mall" is wrong?
A.
In English, people always say "mall" instead of "shopping mall".
B.
British people often say "I am going to get something at the mall".
C.
American seldom say "I am going to the mall".
D.
"Mall" is short for "shopping mall" in English.
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A.
contact
B.
attend
C.
attract
D.
meet
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A.
conclusion of each trade, the gains or losses from all previous trades in the futures contract are tallied.
B.
end of the day, the gains or losses are tallied to the trader's account.
C.
end of the day, the maintenance margin is increased for traders who lost and decreased for traders who gained.
【单选题】Have you seen such big ________? A. a tomato B. tomato C. tomatoes D. tomatos
A.
1
B.
2
C.
3
D.
4
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