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【单选题】
40%的Span-80(HLB4.3)与60%吐温-80(HLB15.0)混合后的HLB值是A.
4.3
B.
6.42
C.
8.56
D.
9.65
E.
10.72
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【单选题】12-23.When I first arrived in Japan, I was surprised ____ the way people greeted each other.
A.
of
B.
to
C.
with
D.
at
【单选题】In ____Japan ,_____baseball is ____most popular sport.
A.
. a ， the ， the
B.
the ， the ， a
C.
the ， a ， a
D.
， the ， the
【简答题】操作系统是最重要、最基本的系统软件,没有操作系统,人与计算机将无法直接交互,无法合理的组织软件和硬件有效地工作。通常,没有操作系统的计算机被称为“___”。
【单选题】When I first arrived in Japan, I was surprised ________ the way people greeted each other.
A.
of
B.
to
C.
with
D.
at
【单选题】In ____Japan ,_____baseball is ____most popular sport.
A.
a ， the ， the
B.
the ， the ， a
C.
/ ,/ ， the
D.
/ ， the ， the
【单选题】Suppose the average price of a Big Mac in the United States is $3.50 while in Japan the average price is 400 yen. If the market exchange rate is that 1 dollar is exchanged for 100 yen, the purchasing ...
A.
the yen is overvalueD.
B.
the yen value is about correct.
C.
the price of a Big Mac in Japan will rise.
D.
the dollar will depreciate against the yen.
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