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【判断题】
行列式 时可以推出 .A.
正确
B.
错误
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举一反三
【简答题】试写出下列二进制数的典型格雷码: 1、 101010 , 2、 10111011。
【单选题】Players of sport had to wait for new equipment, but big-time sport continued throughout the war.
A.
Y
B.
N
C.
NG
【简答题】Skin-diving(潜泳) is a new sport today. This sport take you into a wonderful new world. It is like a visit to the moon! When you are under water, it is easy for you to climb big rocks, because you are o...
【简答题】将下列十进制数转化为二进制数 8= ; 15 =
【简答题】电子商务是指利用() 进行的() 活动。
【单选题】After working hard for many years, .A．his dream was realizedB．his dream came trueC．he came true
A.
13. After working hard for many years, . A．his dream was realized
B.
his dream came true
C.
he came true his dream
D.
he realized his dream
【单选题】He seemed as if he ___ his homework when his mother came in.
A.
did
B.
is to be doing
C.
were doing
D.
be doing
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