2001۹ʦʸԹ۹֪ʶ
41.ijĿһֽʽӹҶֵʱϢ֧ģ
A.ҽ䣬ҽ
B.ҽ䣬ҽ
C.ҽӣҽ
D.ҽ٣ҽ
42.ձֽҪֽĿǣ
A.ʽ
B.չ̶ʲֵ
C.ܶ
D.Ʒ
43.ijĿ̶ʲͶ3850ԪʽΪ462Ԫ̵ʽΪ139ԪͶݵܶΪ578Ԫ˰Ϊ200ԪݵͶΪ
A.19.50
B.18.04
C.14.49
D.13.40
44.ijĿi1=12ֵFNPV1=2800Ԫi2=13ʱFNPV2=268ԪԲڲΪ
A.13.11
B.11.09
C.12.91
D.12.09
45.ڹҵĿУƽͼָ
A.ƽ
B.ͼƺƽ
C.ͼƺͽ
D.ƽú
46.ڹҵ빤۵Ĺϵȷ˵ǣ
A.㳧ƽʽõǷΣǾ
B.㳧չԽòԽɼ
C.㳧ijȺͿԽòԽ
D.ͬij߶ȺͲӣҲ֮
47.ijĿĸƷֵָ±ݼֵԭķǣ
ֳܷɱϵ | 12.0 0.22 |
9.0 0.18 |
14.0 0.35 |
13.0 0.25 |
48.ѡ̸Ʒʱȷǣ
A.ƴﵽһȣṹȽȷʱѡø㶨
B.ƶļڽ̵ʱѡøָ귨
C.ȲƲõļȽϳ죬ƹ̸ָʱɲƹԤ㷨
D.ƴﵽһȣṹȽȷʱѡøָ귨
49. ⽨שṹסլ̣ǽש1m2Ϊ0.9m2שȫõΪ50Ԫ/m2.ƹ̸ָΪ580Ԫ /m2ǽˮɰĨ棬ÿm2Ϊ0.92m2ˮɰĨȫõΪ9Ԫ/m2שṹĸָΪ Ԫ/m2
A.571.22
B.616.72
C.625.00
D.633.28
50.ijʯ̣Ϊ10m3λۼ±
˹
|
IV>
|
е
| ||||
λ գ |
Ԫ/ |
λ m3 |
Ԫ/m3 |
λ ̨ࣩ |
Ԫ/̨ | |
Ԥ㶨 ʱʵֵ |
2.5 2.0 |
20 30 |
0.7 0.8 |
50 60 |
0.3 0.5 |
100 120 |
ʵƸùʩͼԤ㣬ֱӷΪԪ
A.1150
B.1300
C.1530
D.1680
Ƽ
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