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【单选题】
笛卡尔积对于理解计算复杂性具有重要的理论价值。下列有卡尔积的说法不正确的是（ ）A.
根据笛卡尔积，由 10 个具有相互作用的元素组成的系统存在 210=1 024 个状态，由 64 个元素组成的系统存在 264 个状态
B.
笛卡尔积具有重要的理论价值，可以说，事物之间所有的关联都在笛卡尔积之中
C.
人与机器对笛卡尔积产生的 “ 组合爆炸 ” 问题是无法进行处理的
D.
正是由于笛卡尔积理论上的 “ 完美无缺 ” ，所以它有巨大的应用价值
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【简答题】读程序写代码 int main() { int x,y,z; x=y=1; z=++x-1; printf("%d,%d\n",x,z); z+=y++; printf("%d,%d\n",y,z); }
【简答题】阅读理解。 Beijing opera or Peking opera is a form of Chinese opera which arose in the late 18th century and became fully developed and recognized by the mid-19th century. The form was extremely popular in...
【单选题】We wish to receive your shipping advice soon for the goods under the captioned
A.
letter
B.
cable
C.
contract
D.
communication
【单选题】For the goods under our contract No. 80, we have booked space on s.s “East wind” ________ arrive inLondon around May 19.A. is due to B. due to C. which due to D. due
A.
is due to
B.
due to
C.
which due to
D.
due
【单选题】For the goods under S/C No.555,we ____ space on S.S Dongfeng due to arrive in London around May 1st.
A.
have booked
B.
have bought
C.
have hired
D.
have retained
【单选题】For the goods under the S/C No. 48296, we have booked space on S. S. “Prince” ______ arrive in London around May 1.
A.
owing to
B.
is due to
C.
which is due to
D.
which is owing to
【单选题】For the goods under S/C No.325, we have space on S.S. Shanghai due to arrive in London around May 1.
A.
booked
B.
hired
C.
retained
D.
bought
【单选题】For the goods under S/C No.234, we _______ space on S.S. “East Wind” due to arrive in London around May 4.
A.
have booked
B.
have bought
C.
have hired
D.
have retained
【单选题】What are they going there for?
A.
To meet friends.
B.
To see Beijing Opera.
C.
To learn Beijing Opera.
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