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【單選題】
在鑒定可溶性還原糖的實驗中，加入斐林試劑時，必須要
A.
先加斐林試劑甲液，后加乙液
B.
先加斐林試劑乙液，后加甲液
C.
將斐林試劑的甲液和乙液混合均勻后立即加入
D.
A、B、C三項操作方法都正確
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舉報參考答案：
舉一反三
【單選題】What would Brownie do when someone was ill in the family?
A.
Look at them sadly.
B.
Keep them company.
C.
Play s with them.
D.
Touch them gently.
【單選題】Folic acid is ______.
A.
something in food
B.
a vegetable
C.
erous
D.
a certain kind of spinach
【單選題】The reading passage says that perhaps Popeye got his strength from______.
A.
iron
B.
folic acid
C.
spinach
D.
exercise
【單選題】Which of the following best summarizes the passage?
A.
Cell phones can do harm to children’s growth.
B.
Children suffer more from cell phone use.
C.
Children use cell phones too much.
D.
Cell phone use is linked to children’s behavioral problems.
【單選題】We can infer from Paragraph 2 that Brownie _________
A.
would eat anything when hungry
B.
felt sorry for her mistake
C.
loved playing hide-and-seek
D.
disliked the author’s dad
相關題目：
【單選題】What would Brownie do when someone was ill in the family?
A.
Look at them sadly.
B.
Keep them company.
C.
Play s with them.
D.
Touch them gently.
【單選題】Folic acid is ______.
A.
something in food
B.
a vegetable
C.
erous
D.
a certain kind of spinach
【單選題】The reading passage says that perhaps Popeye got his strength from______.
A.
iron
B.
folic acid
C.
spinach
D.
exercise
【單選題】Which of the following best summarizes the passage?
A.
Cell phones can do harm to children’s growth.
B.
Children suffer more from cell phone use.
C.
Children use cell phones too much.
D.
Cell phone use is linked to children’s behavioral problems.
【單選題】We can infer from Paragraph 2 that Brownie _________
A.
would eat anything when hungry
B.
felt sorry for her mistake
C.
loved playing hide-and-seek
D.
disliked the author’s dad
參考解析：
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