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【单选题】
出租车司机起步价为10元,超过3千米,超过部分按每千米2.5元收费,则出租车费y元与路程x千米的函数关系视为A.
10（0 3) 10+2.5（x-3）（x>3）
B.
y= 10（0 10+2.5（x-3）（x>7）
C.
y= 10（0 3) 10+2.5（x-3）
D.
y= 10（0 3) 10+2.5（x-3）（x>7）
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举一反三
【单选题】查询订购单号（字符型，长度为4）尾字符是1的错误命令是（）。
A.
SELECT＊FROM订单WHERE SUBSTR(订购单号，4）＝，，1”
B.
SELECT＊FROM订单WHERE SUBSTR（订购单号，4，1卜，，1”
C.
SELECT＊FROM订单WHERE”1”＄订购单号
D.
SELECT＊FROM订单WHERE RIGHT（订购单号，1）＝"1”
【简答题】Not until recently _____ any idea what a guided missile was like. A. could I have B. had I C. I had D. did I have
【单选题】I have not had any Petra since she moved to San Francisco.
A.
approach to
B.
contact with
C.
approach with
D.
contact to
【单选题】I have not had any _______ Petra since she moved to San Francisco.
A.
contact
B.
contact with
C.
compare
D.
compare with
【简答题】Complete the following sentences with the collocations given in the box below. Change the form when necessary. contrast with contact with as far as derive from confine to ...
【简答题】I have not had any ( ) Petra since she moved to San Francisco.
【单选题】I have not had any _______ Petra since she moved to San Francisco.
A.
contact with
B.
contrast with
C.
compare with
D.
contact to
【单选题】以下论证属于可靠论证的是?()
A.
一个数或者是奇数,或者是偶数;2这个数不是奇数;所以,2是偶数。
B.
汕头位于湖南省,湖南省位于中国境内;所以,汕头位于中国境内。
C.
志明毕业于名牌大学,所以他是一个品德高尚的人。
D.
逻辑学是让人理性的学科,所以逻辑学的教授一定不会做出不理性的行为。
【单选题】听力原文：W: Have you had any trouble finding a post office? M: Yes, I am a stranger here. What does the man mean?
A.
He had no problem finding the post office.
B.
There are not enough parking post offices.
C.
He has no idea where the post office is.
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