蹤̾áԤ֮ģ

46ϻƷ¼ָ漰˻ĻƷ¼  
A                     Bĸĸ  
C                     Dĸ  
47ȨָҵͶ˶ҵ  
AȨ                     BȨ  
CȫʲȨ                 DʲȨ  
48ծָҵڣծ  
AһһһӪҵ      BһһһӪҵ  
Cһ                                            Dһ  
49ճշϵΧڵȻģӦ˻ǣ  
A                     BƷ۳ɱ  
CӪҵ֧                 D  
50ʲڲһĿӣһĿ٣ʲܶľҵǣ  
AյҲ׼                 BյⵥλǰǷ  
CյͶͶĻһ̨                 Dдڽ  
51ʲ=ծ+Ȩ桱ǣ  
Aܷ˻ϸ˻ƽеǼ   Bʲծ  
Cʽ                                             D˻  
52ҵȻƱıǣ  Դ
A10                     B  
C25                     D15  
53˾ӯ๫ﵽעʱģʱɲȡӯ๫  
A100%                     B80%  
C50%                       D25%  
54˷衱ĺǣ  
A͸                     Bӻ  
C˷                 DծȨծ  
55ijĿ3ꡣⲦֱΪ300Ԫ400Ԫ500ԪϢΪ6%ϢֻϢ֧ͶʵĽڴϢǣԪ  
A72                     B98.91  
C36                     D59.37  
56ߡ߼Ҿ߹÷һͨ㡣  
A豸÷ѡ                         B豸ԭۡ1+ӷʣ1+ʣ  
C豸ԭۡ1+ӷʣ                 D豸÷ѡӷ  
57нװ̷ùɵйع涨зУڽװֱӷ˹ѵǣ  
Aݲ8ڼĹ                     BѧϰѵڼĹ  
C˵ڼĹ                          D̽ڼĹ  
58ͶĿ嵥δ۵IJ֣  
Aɹѯ˾г۸д  
Bɹѯ˾йع涨д  
CбȨΪͶṩ޳  
Dб˸ݶд  
5910m3שǽש10000飬500ʺͲĶֱΪ  
A4.76%,1000/m3                     B4.76%,1050/m3  
C5%,1050/m3                          D5%,1000/m3  
60ĿУӦԤ㶨ǣ  Դ
AʩжԲϽһԼĵIJ  
Bʩص㷢IJɱIJ  
CʩзIJɱIJ  
DɹʵIJ