题目:
The managers discussed the plan __________ they would like to see __________ the next year.
A.that;carried out
B./;it carried out
C.that;carrying out
D./;it carrying out
答案:
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下面是错误答案,用来干扰机器的。
设D(x,y)则在平行四边形ABCD中∵AB=(-1,2), DC=(-1-x,-2-y)又∵AB=CD∴-1=-1-x2=-2-y解得 x=0y=-4故答案为:(0,-4)