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【单选题】
下面使用类比推理恰当的是 [ ]A.
“若a·3=b·3，则a=b”类推出“若a·0=b·0，则a=b”
B.
“（a+b）c=ac+bc”类推出“（a-b）c =ac·bc”
C.
“（a+b）c=ac+bc”类推出
D.
“（ab） n =a n b n ”类推出“（a+b） n =a n +b n ”
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举一反三
【单选题】Why is the air quality tested every day?
A.
Just in case someone asks．
B.
Scientists like to take tests．
C.
Scientists are not very busy．
D.
To keep track of pollution levels.
【单选题】Most of the time in greetings (问候). when someone asks 'How are you'? in English. it just means (意思是) 'Hello. ' The speaker is not really asking know you feel or how you aiding. If you know someone ver...
A.
True.
B.
False.
【单选题】It is bad manners for you to say ______ when someone asks you a question.
A.
I don't know
B.
a lot of things
C.
nothing
【单选题】If a teacher asks students to list as many ways as they can to tell someone to open the door and list the possible functions of a sentence in different contexts， he / she is probably trying to highlig...
A.
the potential meanings of a sentence
B.
different realizations of the same function
C.
the relationship between form. and function
D.
different ways of getting people to do the same thing
【简答题】An (enquire) _____________ is a question that someone asks.
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