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【單選題】
2008年5月12日14時28分04秒，汶川遭遇地震，在抗震救災中要用大量漂白粉和漂白液殺菌消毒。下列說法中正確的是
A.
漂白粉是純凈物，漂白液是混合物
B.
漂白粉的有效成分是![]()
C.
工業上將氯氣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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舉報參考答案：
舉一反三
【單選題】What does the speaker suggest people begin their speeches with?
A.
Self-introduction
B.
A piece of music.
C.
An interesting story.
【單選題】According to the speaker, how should the speech be?
A.
Funny and short.
B.
and clear.
C.
Detailed and educational.
【單選題】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.
【單選題】How can one be more confident?
A.
By practising.
B.
By an outline.
C.
By finding out the situation.
【單選題】What does the underlined word “swindler” mean?
A.
troublemaker
B.
beggar
C.
thief
D.
cheat
相關題目：
【單選題】What does the speaker suggest people begin their speeches with?
A.
Self-introduction
B.
A piece of music.
C.
An interesting story.
【單選題】According to the speaker, how should the speech be?
A.
Funny and short.
B.
and clear.
C.
Detailed and educational.
【單選題】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.
【單選題】How can one be more confident?
A.
By practising.
B.
By an outline.
C.
By finding out the situation.
【單選題】What does the underlined word “swindler” mean?
A.
troublemaker
B.
beggar
C.
thief
D.
cheat
參考解析：
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