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【單選題】
利用紫色的洋蔥外表皮細胞和不同濃度的蔗糖溶液，可以研究植物細胞的質壁分離和復原。下列有關該實驗的敘述，正確的是（ ）
A.
在逐漸發生質壁分離的過程中，細胞的吸水能力逐漸減弱
B.
該實驗也可用于測定植物細胞細胞液的大概濃度范圍
C.
將裝片在酒精燈上加熱后，再觀察質壁分離現象
D.
不同濃度蔗糖溶液下發生質壁分離的細胞，滴加清水后都能復原
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舉報參考答案：
舉一反三
【單選題】I had hardly left my office ______ my wife called me from the hospital.
A.
then
B.
as
C.
until
D.
when
【單選題】Programs on CCTV International ______ are broadcast in English.
A.
Advertisement
B.
Report
C.
Channels
D.
News
【單選題】It was ______ he was very careless that he didn’t pass the exam.
A.
for
B.
as
C.
because
D.
since
【單選題】Children always ______ with their parents, when their parents don’t allow them to watch TV.
A.
fight
B.
argue
C.
agree
D.
discuss
【單選題】It is a great ______ for China that Yang Liwei visited Space in 2003.
A.
function
B.
achievement
C.
interest
D.
result
相關題目：
【單選題】I had hardly left my office ______ my wife called me from the hospital.
A.
then
B.
as
C.
until
D.
when
【單選題】Programs on CCTV International ______ are broadcast in English.
A.
Advertisement
B.
Report
C.
Channels
D.
News
【單選題】It was ______ he was very careless that he didn’t pass the exam.
A.
for
B.
as
C.
because
D.
since
【單選題】Children always ______ with their parents, when their parents don’t allow them to watch TV.
A.
fight
B.
argue
C.
agree
D.
discuss
【單選題】It is a great ______ for China that Yang Liwei visited Space in 2003.
A.
function
B.
achievement
C.
interest
D.
result
參考解析：
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