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【單選題】
下列哪一實例能夠證明微量元素是生命活動所必需的
A.
Mg是葉綠素的組成成分。
B.
油菜缺少B時只開花不結果。
C.
哺乳動物血液中Ca鹽含量太低，會抽搐.
D.
缺P會影響ATP的合成。
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舉報參考答案：
舉一反三
【單選題】Why does the man make t he call?
A.
To borrow some money from Sharon.
B.
To ask for a money transfer from America.
C.
To ask about his money transfer.
【單選題】How much will the company pay the man for the first year？
A.
$10,500
B.
$12,500
C.
$15,000
【單選題】How did it ________ that humans speak so many different languages.
A.
come out
B.
come up
C.
come across
D.
come about
【單選題】Home shopping television networks have made _____ possible for people to shop without ever having to leave their homes.
A.
one
B.
it
C.
that
D.
this
【單選題】________ , the idea of having to work under a woman defeated him.
A.
Wanting the job very much
B.
Although wanting the job badly
C.
Though he wanted the job very much
D.
He wanted the job badly
相關題目：
【單選題】Why does the man make t he call?
A.
To borrow some money from Sharon.
B.
To ask for a money transfer from America.
C.
To ask about his money transfer.
【單選題】How much will the company pay the man for the first year？
A.
$10,500
B.
$12,500
C.
$15,000
【單選題】How did it ________ that humans speak so many different languages.
A.
come out
B.
come up
C.
come across
D.
come about
【單選題】Home shopping television networks have made _____ possible for people to shop without ever having to leave their homes.
A.
one
B.
it
C.
that
D.
this
【單選題】________ , the idea of having to work under a woman defeated him.
A.
Wanting the job very much
B.
Although wanting the job badly
C.
Though he wanted the job very much
D.
He wanted the job badly
參考解析：
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