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【單選題】
用甲基綠吡羅紅染色劑對人口腔上皮細胞進行染色，結果發現細胞核呈綠色，細胞質呈紅色。下列解釋中正確的是
A.
甲基綠、吡羅紅兩種染色劑對DNA和RNA的親和力相同
B.
細胞核由DNA構成，細胞質由RNA構成
C.
真核細胞中，DNA不分布在細胞質基質中，RNA不分布在細胞核中
D.
該實驗的結果反映了DNA和RNA在真核細胞中的分布狀態
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舉報參考答案：
舉一反三
【單選題】Why didn’t the dog react to Cary at the beginning?
A.
He didn’t like Cary.
B.
He missed his precious owner.
C.
He couldn’t get used to his new family.
D.
He couldn’t understand English.
【單選題】I would appreciate ______ at 2 o’clock this afternoon, so that you are not late tomorrow．
A.
you to leave
B.
you leave
C.
you leaving
D.
you’re leaving
【單選題】What does Mary Green think is the most important when growing roses?
A.
Choosing the best place.
B.
Choosing the right kind.
C.
Choosing the right time.
【單選題】The fashion show planned on National Day in our city has been ______. It’s so disappointing.
A.
made up
B.
put off
C.
taken away
D.
turned up
【單選題】What does Mary Green think of gardening?
A.
It helps us to solve the shortage of the food.
B.
It helps us to learn more about nature.
C.
It brings us a lot of joy and pleasure.
相關題目：
【單選題】Why didn’t the dog react to Cary at the beginning?
A.
He didn’t like Cary.
B.
He missed his precious owner.
C.
He couldn’t get used to his new family.
D.
He couldn’t understand English.
【單選題】I would appreciate ______ at 2 o’clock this afternoon, so that you are not late tomorrow．
A.
you to leave
B.
you leave
C.
you leaving
D.
you’re leaving
【單選題】What does Mary Green think is the most important when growing roses?
A.
Choosing the best place.
B.
Choosing the right kind.
C.
Choosing the right time.
【單選題】The fashion show planned on National Day in our city has been ______. It’s so disappointing.
A.
made up
B.
put off
C.
taken away
D.
turned up
【單選題】What does Mary Green think of gardening?
A.
It helps us to solve the shortage of the food.
B.
It helps us to learn more about nature.
C.
It brings us a lot of joy and pleasure.
參考解析：
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