1¼вڹ˵Ļݵ________
AϪ
BȨު
CѶȪ
Dϵ
2Ч˵ĵһ________
A֯
BЧ
C
DԱѵ
3˵д________
AڹУ˵ijЩƫӰ쿼Ľ
BλӰ켨Ч˵ȷ
CͼʽЧСʹЧȷ
D˲ij̶ȶԿЧӰܴ
4ܻӰ쵽Ч˵Ĺ________
Aҵģ
Bλ֯ҵеĵλ
CԱ
Dֵ
5ۿƻУԱĽԼͶɱܵýнԼΪ________
A.нʳɱóɱۼֵıֵ
B.нʳɱij˻
C.нʳɱóɱۼֵij˻
D.нʳɱıֵ
6ij˾ÿÿСʱıΪ25λƷùΪÿСʱ10ԪƼΪÿλƷ________Ԫһÿ칤8СʱÿСʱ30ƷԱֱӼƼÿɵ________Ԫ
A.0.496
B.0.296
C.0.490
D.0.280
7________õĶвϹԱ
A.
B.ɫݷ
C.
D.ȫַ
8________ָͶͨЭƶȺͶͬƶȣ̸Э̣ȷͶȨ
A.ͶȨ
B.Ͷ̸Ȩ
C.άͶͬȨ
D.ϹͶȨ
9Σҵ________
A.ͶƵĽ誤
B.ͬɵĽ誤
C.շɵĽ誤
D.ᱣƶȵĽ
10áᡢĻȨʹԼͶ֯ĹԼͽ涨Աṩ________
A.ҵ
B.
C.ס
D.ᱣ
