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【單選題】
若NA表示阿伏加德羅常數，下列說法正確的是
A.
在標準狀況下，NA個水分子所占的體積約為22.4L
B.
5.6g鐵與氯氣完全反應，失去電子的數目為0.2NA
C.
1 mol ![]()
發生化學反應，轉移的電子數必為2NA
D.
在標準狀況下，22.4L由![]()
組成的混合氣體中所含有的氮原子的物質的量為2mol
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舉報參考答案：
舉一反三
【單選題】Where does the man sit at last?
A.
By the window.
B.
In the middle of the hall.
C.
By the door.
【單選題】What will the woman do this Saturday?
A.
Do her homework.
B.
Help her brother with his study.
C.
Go to the Great Wall with the man.
【單選題】Where will the woman’s sister get married?
A.
In London.
B.
In New York.
C.
In New Orleans.
【單選題】How much did the handbag cost originally?
A.
30 dollars.
B.
40 dollars.
C.
60 dollars.
相關題目：
【單選題】Where does the man sit at last?
A.
By the window.
B.
In the middle of the hall.
C.
By the door.
【單選題】What will the woman do this Saturday?
A.
Do her homework.
B.
Help her brother with his study.
C.
Go to the Great Wall with the man.
【單選題】Where will the woman’s sister get married?
A.
In London.
B.
In New York.
C.
In New Orleans.
【單選題】How much did the handbag cost originally?
A.
30 dollars.
B.
40 dollars.
C.
60 dollars.
參考解析：
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