题目
A.can’t help stay
B.can’t help staying
C.cannot help but stay
D.cannot help but staying
第2题
A.I am afraid I must go. --()
B. Take it easy
C. Go slowly
D. Stay longer
E. See you
第3题
Where is my pen? I ______ it.
A. might lose
B. would have lost
C. should have lost
D. must have lost
第4题
Did you see who the driver was?
— No, the car ran so fast ____ I could not have a good look at his face.
A.that
B.which
C.as
D.after
第5题
某质点对于某定点O的动量矩矢量表达式为Lo=6t2i+(8t3+5)j-(t-7)k,式中,t为时间,i、j、k为沿固定直角坐标轴的单位矢量。求此质点上作用力对点O的力矩。
第6题
A.Sàng lọc
B.Săn sóc
C.Sạch sẽ
第7题
对于任意的b∈{1,…,p-1},有唯一的i∈{1,…,p-1},使得(),称i为模p下以a为底b的离散对数,记为:i≡logab(mod p)。
第8题
第9题
下面这个程序段的时间复杂度是()。 for (i=1;i<n;i++) { y=y+1; for (j=0;j<=(2*n);j++) x++; }
A.O(log2n)
B.O(n)
C.O(nlog2n)
D.O(n2)
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