һx?0С?ÿС\xĿУֻһĿҪģxǰĸڡ
1˼?j)fļCL0f֧йأһ˹̶һr(sh)L0
A 2LB 0.5 L
C 0.7 LD L
2Ӱ˼ٽۺء
A˼B(x)
C˼D˼֧
3ij֧D61ʾĵ|?jn)?
D61
A.1/2ql2
B.ql2
C.0
D.1/8ql2
4ˮoĸߵͶˮʹõӰeȷ?
Aˮȸߵˮ[ʹڲʪȴⲿϴ¶(yng)ʹdeӰǿ?
Bˮȶh(yun)ʩĻ̽鏊(qing)
CʹˮȽ(x)ߵˮr(sh)(yng)ȡʩֹEˮȹ
D_
5Vиṹʱ⛌ΪƼȡf?
A(qing)B(qing)
C(qing)D(qing)ȡ
6ͻõĵλ?
A˹Bţ
CDСr(sh)
7ijˮ࣬׃Ϲ涨ˮ?
AƷBԟҪ
Cɽ(qing)oȼʹDf_
8ۿС80cmr(sh)F̽۷PF(yng)ʽ֙
AһB֮
CŴD÷Ρ
9УĻ(qing)sﵽgٽГ]
A 40%
B 50%
C 30%
D 70%
10¹TˮṄĽY(ji)(gu)Ȳ(yng)Сڣ
A 250mmB 600mm
C 500mmD 150mm
11͵ˮλػһ뾮ܣ¶Ϊ˹ܣˮڣ周ˮƃeˮܹӣԭͨˮˮӾEʹԭеˮλ¡
A. ;
B. ?
C.
D. ܾ?
12NqҪܡ
A. ֮ˮƽн
B. ֱ֮
C. ˮ(zhn)]ˮƽ
D. ĸ߳H
13ã(sh)I(y)ԳнʩHаI(y)I(y)̻赥λҎ(gu)I(y)H
ABа
CI(y)аD
14ȽˮʩҪص
A.ˮIJoˮ
B.ˮoˮ?
C.I(y)ʩʩ
D.ˮҴˮġ
15ij˾10_(ti)bq۴ݠ5Ԫ/_(ti)˷500Ԫ/_(ti)?00Ԫ/_(ti){0.5%Q(mo)1.5%22%ù˾10_(ti)Ĺʰ18.3?
A.93.22Ԫ
B.92.76Ԫ
C.8129.12Ԫ
D.91.3Ԫ
16ij̺ͬ100Ԫͬsõֵʽбй̃ر?.2ҪطABC࣬]o(j)۵?.150.350.3r(sh)۸ֱָ20%15525%ù(sh)ʽԪ
A.115.75
B.119.75
C.118.75
D.120.75
17λ깤λձ档
A(yng)м
BG(yng)йTм
Cʩλ(yng)йTм
D赥λĿӦԤ֯йԔ?
18s2mСԑ8mĸĵײģr(sh)(qing)(yng)ԑlĻ忹ѹǿȱZ?
A 30%B 50%
C 75%D 85%
19A(y)(yng)ṄϽgúˮࡣ
ABȻ
CβϡD|?
20ݽеĻݠṹשljΦУˑߴL(B)30mƫ(yng)ϵĹ涨?
A 1mmB 3mm
C 5mmD 8mm