1IҪIˮƽжˮƽĹϵ
Aߺϵ
B
CǰߵՊ
Dǰ߸Պ
2ijƷĹС3ɣr?.65/m3 m3/
A4.62
B1.95
C1.54
D0.51
3ijʩеr?.391_/100m3֮ϵĹС4ˣ]еIJ m3/_?BR>A64
B0.64
C256
D2.56
4Iģ
A̶ʲ
Bʲ
Cʲ
Dʲ
5йĿ嵥˔ȷ?
AͶTеĿб
BͶ˲бĿ
CͶ˲Ŀ嵥Д?BR>DyzĿ嵥Д?/P>
6иͬй̶ʲ?
A̶ʲ
BI̶ʲ
C̶ʲ
DI̶ʲ
7Iҵʽ?
A
BͬIʽ
CԻՁ
DƷ
8IԜԳͶֵм?һΡ
Aÿĩ
Bÿĩ
Cÿĩ
D?/P>
9ijɷ˾һ_豸?00000Ԫֵ5%ʹ5zҵѡܺͷf4۾ɶ Ԫ
A38000
B22000
C17000
D19000
10i1=2i2,n1=n2/2Pͬr
A_F/Pi1,n1루F/P,i2,n2ĴСϵ
BF/Pi1,n1(F/P,i2,n2)
CF/Pi1,n1=(F/P,i2,n2)
DF/Pi1,n1(F/P,i2,n2)
S1D 2C 3C 4B 5D 6C 7D 8B 9A 10D