11.O(sh)ܶ()(f)ϵذӕrėlDz_?( )
A.l^(yng)e_С300mmx
B.c֮g(yng)С10mm϶
C.ƽȿ3mm(ni)
D.pƴpƽֱ3mm(ni)
𰸣C
12.·ˮ̻ķˮʩ(yng)ɂ(c)g_ʩ?(200640)(200738)
A.14d
B.28d
C.35d
D.42d
𰸣D
13.ںС^(q)Ҏ(gu)O(sh)ӋҪg(sh)(jng)ָ(bio)еĹϵ(sh)ָ(bio)rcP(gun)ָ(bio)еĎ?پסõe;С^(q)ռe;۹õe;ܿסõe;ݾסe
A.٢
B.ڢ
C.ۢ
D.ۢ
𰸣B
14.cǵĴӌȑ(yng)挒ȵ( )
A.2/3
B.1/2
C.1/3
D.3/4
𰸣A
15.Ѻʩĭh(hun)ضȲ(yng)ڣ( )
A.0
B.5
C.-5
D.10
𰸣D
16.ijĿͶY10000fԪ1F(xin)1000fԪԺÿf400fԪĿڞ10tԓĿoB(ti)ͶYڞ( )
A.7.14
B.5.5
C.5.33
D.5.67
𰸣C
17.͇҇Ҏ(gu)ʩSCՈߑ(yng)( )
A.O(jin)λ
B.O(sh)Ӌλ
C.ʩλ
D.O(sh)λ
𰸣D
18.ʩ^Ќ(gu)Mһbzl(f)MÑ(yng)( )
A.оԇM
B.zԇM
C.F(xin)(jng)M
D.gM
𰸣B
19.^ͬsĄӹ_l(f)ڝMһδӹ_l(f)U{ஔ(dng)ʹÙ(qun)( )eM
A.25%
B.30%
C.20%
D.10%
𰸣C
20.ָ(bio)УһĿؔ(w)urY(ji)ՓеҪָ(bio)?
A.J
B.ö
C.ͶY
D.̶Ya(chn)f
𰸣C