1
1Bm(x)gO(sh)A(y)һӜ
a.100; b.150; c.200
2. ʹ@ӕrСֵQ
a.(yng) b.c練 c.(ni)(yng)
3Bm(x)gжNʽСҎ(gu)r˜pپM(jn)^ж|Ɍ(do)늟ggһ
a.ʽ b. Εr c.ʽ d.ֶʽ
4Bm(x)gO(sh)gԴ
a.늠tӟ b.ӟ c.(do)ͨ
2
3
4
5
6

7
8
cbac (bio)(zhn)
9
10