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【单选题】
脱色处理时,为了保证脱色效果,下列说法正确的是( )A.
可以加入大量活性炭吸附色素保证脱色效果
B.
回流过程中可以视情况直接补加少量活性炭
C.
可以回流过夜，达到理想的脱色效果
D.
一般在极性溶剂中脱色效果较好
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举一反三
【单选题】Which of the fol1owing did not belong to the language areas?
A.
The sensory 1anguage area
B.
The visual language area
C.
The motor language area
D.
The writing language area
E.
None of the above
【单选题】— No wonder you caught a cold. You __________ out last night without a coat. — I know how silly I was.
A.
should have gone
B.
shouldn’t have gone
C.
can’t have gone
D.
mustn’t have gone
【单选题】--- Why is Jenny still standing there? It’s so cold. —She _____ for someone.
A.
can wait
B.
might have waited
C.
must be waiting
D.
should have waited
【简答题】智力的核心成分是（ ）
【简答题】根据短文内容，用括号中所给词填空。 (together, bikes, wait, cold, fun, but, fishing ) Dear Tyrone, It was great to hear from you. I really miss camping at Huntington Beach too. I have never had so much 1 . Now, my dad ...
【单选题】Once the initial cold pack is removed, what is to be done?
A.
Begin bandaging the ankle.
B.
Wait 30 minutes and then reapply the ice pack for 20 minutes.
C.
Keep the ankle in a position lower than your heart.
D.
wait 20 minutes and then reapply the ice pack for 30 minutes.
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