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【单选题】
若数列{a n }的前n项和为S n =n 2 +1，则（ ）A.
a n =2n-1
B.
a n =2n+1
C.
a n = 2(n=1) 2n-1(n≥2)
D.
a n = 2(n=1) 2n+1(n≥2)
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举一反三
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A.
Yes, I like
B.
Yes, I like to
C.
Yes, I' d like to
D.
No, I wouldn't like
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投资者向企业投入现金10万元
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A.
Meanwhile
B.
However
C.
Instead
D.
Yet
【多选题】下列( )业务引起资产与负债和权益双方金额的同时增加。
A.
投资者向企业投入现金10万元
B.
购入材料2万元款项未付
C.
用现金支付工人工资1万元
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A.
①②③
B.
①②③④
C.
①②④
D.
②③④
【单选题】— Would you like to go swimming with us? — ______. [ ]
A.
No, I don't like
B.
I hate to go hiking
C.
I'd love to, but I don't feel well today
D.
Yes, I like
【单选题】Last night Mr. Crook didn’t come back at the usual time. ______，he met some friends and stayed out until midnight.
A.
Meanwhile
B.
However
C.
Instead
D.
Thus
【单选题】Mr. Brook didn’t come back at the usual time last night. ______, he met some friends and stayed out until midnight.
A.
Meanwhile
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However
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D.
Anyway
【单选题】Last night Mr. Crook didn’t come back at the usual time. ______, he met some friends and atayed out unitl midnght.
A.
Meanwhile
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However
C.
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