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【单选题】
Sum( )函数的作用是( )。A.
求和
B.
计数
C.
求绝对值
D.
求平均值
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举一反三
【单选题】听力原文： Iraqi lawmakers are expected to vote on a security agreement by Wednesday, which will keep the U. S. troops here until the end of 2011 , the parliament's speaker said yesterday. After hours of h...
A.
all parties have agreed on it.
B.
the US troops have pulled out.
C.
the cabinet has reviewed it.
D.
the lawmakers have returned from Mecca.
【单选题】—Which of the two dictionaries do you want? —I want_____.Please show me_____.
A.
none; another
B.
all; the other
C.
neither; the other
D.
neither; another
【单选题】听力原文：I'd like to turn our attention to a petition involving an important issue that affects a lot of us here. Univex Systems has created a petition in support of the roadway improvements that Mayor Si...
A.
Because Olivia Street is a dangerous road.
B.
Because the company is moving to Route 1604.
C.
Because the company is paying for part of it.
D.
Because the construction will improve their commute.
【单选题】The debate here will be limited in two main aspects, ______ the time available.
A.
In terms of
B.
In return for
C.
In addition to
D.
In comparison with
【单选题】Would you please show me how to start a computer? --- ____________.
A.
No, thanks
B.
Yes, please
C.
That’s very kind of you
D.
OK, let me show you
【简答题】Debate: Can stricter gun control laws decrease the rate of crimes involving guns? Yes, because with fewer weapons, you get fewer crimes. Take a look at the crime rates of countries like the United Kin...
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