Դʦ֪ʶģԾ𰸣
21Ǹ֯________ƶ
AϵְλBְͬλCְͬλDϸְλ
22Դ滮ijУȽеij________
AԤBսԹ滮CԤ⪤DԴ˲
23һ˵ԱƸԴԷΪ________
AƼBѧУ᪤CƸƼDڲԴⲿԴ
24ԹԱӦ________
Aռ֪BCD
25оҵ________
ABCλD
26ʹĶ͵Թ̵ڣһΪ________
A12СʱB1020ӪCСʱҪD34Сʱ
27ɫм鷨ƣͼ________
AԷB۲켰֢״CD鷨
28ԴоĹڹйҪĵһϣǹеһ?________
AB̸CʵD۲취
29һڹ˵Ļ?________
AְBCȨDн
30мУڹʾݵĿ________
AְBֱϼCְʱD
31¼вڹ˵Ļݵ________
AϪBȨުCѶȪDϵ
32Ч˵ĵһ________
A֯BЧCDԱѵ
33˵д________
AڹУ˵ijЩƫӰ쿼Ľ
BλӰ켨Ч˵ȷ
CͼʽЧСʹЧȷ
D˲ij̶ȶԿЧӰܴ
34ܻӰ쵽Ч˵Ĺ________
AҵģBλ֯ҵеĵλCԱDֵ
35ۿƻУԱĽԼͶɱܵýнԼΪ________
A.нʳɱóɱۼֵıֵB.нʳɱij˻C.нʳɱóɱۼֵij˻D.нʳɱıֵ
36ij˾ÿÿСʱıΪ25λƷùΪÿСʱ10ԪƼΪÿλƷ________Ԫһÿ칤8СʱÿСʱ30ƷԱֱӼƼÿɵ________Ԫ
A.0.496B.0.296C.0.490D.0.280
37________õĶвϹԱ
A.B.ɫݷC.D.ȫַ
38________ָͶͨЭƶȺͶͬƶȣ̸Э̣ȷͶȨA.ͶȨB.Ͷ̸ȨC.άͶͬȨD.ϹͶȨ
39Σҵ________
A.ͶƵĽ誤B.ͬɵĽ誤C.շɵĽ誤D.ᱣƶȵĽ
40áᡢĻȨʹԼͶ֯ĹԼͽ涨Աṩ________
A.ҵB.C.סD.ᱣ
ࣺdaiy
