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【简答题】
对于语句int a,b,c; scanf("%d%d%d",&a,&b,&c);,若从键盘输入1□2□3□4<回车>,则a、b、c的值依次是______。(□表示空格,下同)
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举一反三
【单选题】Ashley bought a new pair of jeans. When she walked out of the store, she thought, “I got such a great deal; I would have paid $40 more for these jeans!” This best represents the concept of:
A.
. consumer surplus.
B.
. producer surplus.
C.
. total surplus.
D.
. equilibrium.
【简答题】在数控机床上以某一进给速度加工圆弧时,当伺服系统两轴的增益相同时,进给速度越大,则轮廓误差____。
【简答题】在数控机床上以某一进给速度加工圆弧时，当伺服系统两轴的增益相同时，进给速度愈大，则轮廓误差______。
【单选题】I would have paid ________ for my car if the salesman had insisted, because I really wanted it.
A.
much twice
B.
twice as much
C.
times two
D.
as much twice
【单选题】I would have paid _____ for my car if the salesman had insisted, because I really wanted it.
A.
as much twice
B.
much twice
C.
twice as much
D.
two times
【简答题】数控机床上以某一进给速度加工圆弧时，当伺服系统两轴的增益相同时，加工圆弧的半径愈大，则轮廓误差______。
【单选题】I didn’t know his address yesterday, otherwise I __________ him a visit.
A.
would pay
B.
would have paid
C.
paid
D.
had paid
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