皮皮学，免费搜题
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【单选题】
身高1.75米，体重55公斤，这属于（ ） 。A.
生理自我
B.
心理自我
C.
社会自我
D.
投射自我
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【单选题】A company purchases a machine for $120,000 on 1 October 20X9. The estimated useful life of the machine is four years, with s residual value of $4,000. The company’s policy is straight-line method and ...
A.
$7,250
B.
$7,500
C.
$29,000
D.
$30,000
【简答题】过点P（1，-1），且与直线l：x-y+1=0垂直的直线方程是______．
【单选题】.The annual insurance premium for S for the period 1 July 20X1 to 30 June 20X2 is $ 13,200, which is 10% more than the previous year .Insurance premiums are paid on 1 JulyWhat is the statement of prof...
A.
$ 11,800
B.
$12,540
C.
$12,600
D.
$13 ,200
【简答题】已知直线l 1 ：3x﹣y﹣1=0，l 2 ：x+y﹣3=0，求： （1）直线l 1 与l 2 的交点P的坐标； （2）过点P且与l 1 垂直的直线方程．
【简答题】超重部分怎么收费? What ’ s the charge for the ?
【单选题】The accountant at S is preparing quarterly accounts for Quarter 3. In Quarter 2, he had accrued $1,600 for gas and this balance was carried forward to Quarter 3. In Quarter 3, a gas bill of $2,700 was...
A.
$1,900
B.
$2,400
C.
$2,700
D.
$3,500
【简答题】已知直线l过点P（2，﹣1），且与直线2x+3y﹣4=0平行，则直线l的方程为（ ）
【单选题】Beta purchased some plant and equipment on 1 July 20x5 for $40,000. The estimated scrap value of the plant in ten years time is estimated to be $4,000. Betas policy is to charge depreciation on the ...
A.
$720
B.
$600
C.
$900
D.
$675
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