更多"A) done C) dealt B) ta"的相关试题:
[单项选择]设a<b<c<d,如果x=(a+b)(c+d),y=(a+c)(b+d),z=(a+d)(b+c),那么x、y、z的大小关系为()。
A. x<y<z
B. y<z<x
C. z<x<y
D. z<y<x
E. 不能确定
[单项选择]The millions of calculations, had they been done by hand,()all practical value by the time they were finisheD.
A. could lose
B. would have lost
C. might lose
D. ought to have lost
[单项选择]设a=2,b=3,c=4,d=5,则表达式a>b And c=> d And b<>c Or c>d的值是 ______。
A. Tree
B. False
C. -1
D. 1
[单项选择]A、B、C、D、E五个人干一项工作,若A、B、C、D四人一起干需要6天完成;若B、C、D、E四人一起干需要8天完工;若A、E两人一起干需要12天完工。那么,若E一人单独干需要几天完工?()
A. 36
B. 42
C. 48
D. 64
[单项选择]What was the first thing which was done by Henry before he went to workA. Cut grass in the backyard.B. Leave a note for the milkman asking for just one quart of milk.C. Put the garbage in the backyard.
[单项选择]四个各不相等的整数a,b,c,d,它们的积a·b·c·d=9,那么a+b+c+d的值是( )。
A. 0
B. 1
C. 4
D. 6
E. 8
[单项选择]某城市共有A、B、C、D四个区,B、C、D三区的面积之和是A的14倍,A、C、D三区的面积之和是B的9倍,A、B、D三区的面积之和是C区的2倍,则A、B、C三区的面积之和是D区的( )。
A. 1倍
B. 1.5倍
C. 2倍
D. 3倍
[单项选择]某城市有A、B、C、D四个区,B、C、D三区的面积之和是A的14倍,A、C、D三区的面积之和是B的9倍,A、B、D三区的面积之和是C区的2倍,则A、B、C三区的面积之和是D区的( )。
A. 1倍
B. 1.5倍
C. 2倍
D. 3倍
[单项选择]In spite of all effort the doctors had done, her burns refuse to ________.
A. heal
B. revive
C. recover
D. survive
[单项选择]设a=5,b=4,c=3,d=2,则表达式3>2术b Or a=c And b<>c Or c>d的值是
A. 1
B. True
C. False
D. 2
[单项选择]设a=5,b=4,c=3,d=2,则表达式3>2*b Or a=c And b<>c Or c>d的值是
A. 1
B. True
C. False
D. 2