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【多选题】
用紫外线消毒空气的正确方法是A.
灯亮开始计时
B.
有效距离在2m内
C.
消毒时间为20-30分钟
D.
消毒时间为30-60分钟
E.
从灯亮5-7分钟后开始计时
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举一反三
【简答题】Sale by Sample
【单选题】--Your brother is very careful and honest. --I agree. What he has just done______itself.
A.
speaks of
B.
thinks of
C.
speaks for
D.
thinks for
【简答题】—Your brother is very cute. —Yes, ( ) is. We all love ( ).A. he; him B. he; he C. him; he D. him; him
【单选题】一Your brother is very careful and honest． 一I agree．What he has just done_______itself．
A.
speaks for
B.
thinks of
C.
speaks out
D.
thinks out
【单选题】— Your brother is very cute. — Yes, ____ is. W e all love ____ .
A.
he; him
B.
he; he
C.
him; he
D.
him; him
【简答题】— Your brother is very cute. — Yes, ____ is. W e all love ____ .A. A. he; him B. he; he C. him; he D. him; him
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