21Ǹ֯________ƶ
aϵְλ
bְͬλ
cְͬλ
dϸְλ
22Դ滮ijУȽеij________
aԤ
bսԹ滮
cԤ⪤
dԴ˲
23һ˵ԱƸԴԷΪ________
aƼ
bѧУ᪤
cƸƼ
dڲԴⲿԴ
24ԹԱӦ________
aռ֪
b
c
d
25оҵ________
a
b
cλ
d
26ʹĶ͵Թ̵ڣһΪ________
a12Сʱ
b1020Ӫ
cСʱҪ
d34Сʱ
27ɫм鷨ƣͼ________
aԷ
b۲켰֢״
c
d鷨
28ԴоĹڹйҪĵһϣǹеһ?________
a
b̸
cʵ
d۲취
29һڹ˵Ļ?________
aְ
b
cȨ
dн
30мУڹʾݵĿ________
aְ
bֱϼ
cְʱ
d
31¼вڹ˵Ļݵ________
aϪ
bȨު
cѶȪ
dϵ
32Ч˵ĵһ________
a֯
bЧ
c
dԱѵ
33˵д________
aڹУ˵ijЩƫӰ쿼Ľ
bλӰ켨Ч˵ȷ
cͼʽЧСʹЧȷ
d˲ij̶ȶԿЧӰܴ
34ܻӰ쵽Ч˵Ĺ________
aҵģ
bλ֯ҵеĵλ
cԱ
dֵ
35ۿƻУԱĽԼͶɱܵýнԼΪ________
a.нʳɱóɱۼֵıֵb.нʳɱij˻c.нʳɱóɱۼֵij˻d.нʳɱıֵ
36ij˾ÿÿСʱıΪ25λƷùΪÿСʱ10ԪƼΪÿλƷ________Ԫһÿ칤8СʱÿСʱ30ƷԱֱӼƼÿɵ________Ԫ
a.0.496
b.0.296
c.0.490
d.0.280
37________õĶвϹԱ
a.
b.ɫݷ
c.
d.ȫַ
38________ָͶͨЭƶȺͶͬƶȣ̸Э̣ȷͶȨ
a.ͶȨ
b.Ͷ̸Ȩ
c.άͶͬȨ
d.ϹͶȨ
39Σҵ________
a.ͶƵĽ誤
b.ͬɵĽ誤
c.շɵĽ誤
d.ᱣƶȵĽ
40áᡢĻȨʹԼͶ֯ĹԼͽ涨Աṩ________
a.ҵ
b.
c.ס
d.ᱣ
