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2008年5月12日14时28分04秒，汶川遭遇地震，在抗震救灾中要用大量漂白粉和漂白液杀菌消毒。下列说法中正确的是
A.
漂白粉是纯净物，漂白液是混合物
B.
漂白粉的有效成分是![]()
C.
工业上将氯气通入澄清石灰水制取漂白粉
D.
漂白液的有效成分是![]()
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举报参考答案：
A
复制纠错
举一反三
What does the speaker suggest people begin their speeches with?
A.
Self-introduction
B.
A piece of music.
C.
An interesting story.
According to the speaker, how should the speech be?
A.
Funny and short.
B.
Simple and clear.
C.
Detailed and educational.
What do people enjoy doing in the park in autumn and winter?
A.
Sightseeing the beautiful scenery there.
B.
Taking photos of themselves there.
C.
Watching many different pretty birds there.
How can one be more confident?
A.
By practising.
B.
By making an outline.
C.
By finding out the situation.
What does the underlined word “swindler” mean?
A.
troublemaker
B.
beggar
C.
thief
D.
cheat
相关题目：
What does the speaker suggest people begin their speeches with?
A.
Self-introduction
B.
A piece of music.
C.
An interesting story.
According to the speaker, how should the speech be?
A.
Funny and short.
B.
Simple and clear.
C.
Detailed and educational.
What do people enjoy doing in the park in autumn and winter?
A.
Sightseeing the beautiful scenery there.
B.
Taking photos of themselves there.
C.
Watching many different pretty birds there.
How can one be more confident?
A.
By practising.
B.
By making an outline.
C.
By finding out the situation.
What does the underlined word “swindler” mean?
A.
troublemaker
B.
beggar
C.
thief
D.
cheat
参考解析：
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