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【单选题】
酸性强弱比较，正确的是A.
CH 3 COOH＞HCl＞H 2 CO 3 ＞
B.
＞HCl＞H 2 CO 3 ＞CH 3 COOH
C.
HCl＞CH 3 COOH＞H 2 CO 3 ＞
D.
H 2 CO 3 ＞CH 3 COOH＞HCl＞
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【单选题】When was Gates first introduced to computers and programming languages?
A.
When he was in the sixth grade.
B.
When he was in the eighth grade.
C.
When he was in Harvard University.
D.
When he met Allen.
【简答题】When will he call theOffice? On________________________________ofMarch 17th．
【单选题】When Stephen asks for a few tips, he means that ____________.
A.
he wants money
B.
he wants some advice
C.
he wants a sharp object
【单选题】When someone asks the author the way, he usually says ____.
A.
that he knows the way
B.
that he is willing to tell the direction
C.
that he is a stranger to the town
D.
that he is an acquaintance to the town
【单选题】10 He often askｓ me the question ___ the work was worth doing.
A.
if
B.
whether
C.
that
D.
when
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