蹤̾áԤ֮

31ĿӦȡǣ 
Aȹɹ                     B 
Cӯ๫              Dӯ๫ 
32ϵҵڲγɵģ 
Aϵ                  Bʽϵ 
Cϵ                         Dҹϵ 
33net45ʾǣ 
A45󷽿ɸ                           B45첻踶 
C45ڰͬȫ                D45ڰƱȫ 
34ҵڶֳʷʽѡһʱֱʷʽĸʽɱøʽɱʱӦѡʽɱ 
A͵ķʽ                 BԵ͵ķʽ 
Cθߵķʽ                 Dߵķʽ 
35Թ̼ۿ֧ʽԼƺȷ涨ȷۿ֧ʱȷĿƶǣ 
AĿҵ                 B̽ȼۿ֧ڵĿƶ 
C̼ۿ㷽                 Dʽƶ 
36ٶʲΪ׼ȷļ㹫ʽǣ 
Aʽ+Ͷ+ӦƱ+Ӧ˿+Ӧտ 
Bʽ+Ͷ+ӦƱ+Ӧ˿ 
Cʽ+Ͷ+ӦƱ 
Dʽ+Ͷ 
37лƾ֤Уԭʼƾ֤ǣ 
Aͬ                     Bⵥ 
Cƾ֤                     Dտƾ֤ 
38зУֱӷѵǣ Դ
Aΰ˷                     B 
Cҹʩ                     Dʩλʱʩ 
39ijʩĿΪ320죬ջΪ30Ԫ/գչԲΪ3Ԫ/գ˸Ϊ8Ԫ/գְΪ2Ԫ/գͶΪ2Ԫ/գʩĿӵ100ˣʩĿֱӹ̷е˹ΪԪ 
A120                     B1312 
C96                       D144 
40ijʩĿֱӷΪ1200Ԫֱӹ̷Ϊ800Ԫʩ400Ԫֱӹ̷е˹Ϊ300ԪʩĿİȫʩѷΪ2%ʩĿİȫʩΪԪ 
A6                         B8 
C16                       D24 
41ϵ۷ԷֲԵۺĺϼΪֱӹ̷ѣֱӹ̷˹ϡеӦ۸ȷֱӹ̷ѻܺӣ˰ɹ̷ۡ 
Aҵ                     B 
Cʩ                            Dӷ 
42ijʩĿƽΪ3ԪЧʩΪ300죬˹Ϊ40Ԫ/գ˹ռֱӷѵıΪ30%ҵѷΪ 
A75%                              B70% 
C50%                              D60% 
43ʩĿ嵥Ϊɵ嵥ָ 
AͶ嵥֮ 
BͶ嵥֮ 
Cб˿ɸݹĿʵı 
DͶ˿ɸҵʵı 
44ֲ嵥ĿУλ嵥á 
A1012                          B912 
C911                            D810 
45ǹĿеĻе԰ջеģȡֵ 
A2%                                 B1.5% 
C1%                                D0.5%