21.ij̶ʲԭֵΪ100Ԫ,ԤƾֵΪ5Ԫ,ʹΪ10ꡣܺͷ۾,Ƶ۾ɶΪ
A.8.64Ԫ B.8.19Ԫ
C.6.91Ԫ D.6.55Ԫ
22.ҵӦηӳ̽Ӫҵܶͣ ĸεݡ
A. B.ɹ
C.ĩδ D.ѷ
23.ij·,Ϊ1014m,·Ϊ1000Ԫm2ؿΪһٽ־εأٽֿΪ40mΪ13mָ±ص۸Ϊ ٽ
ָ
С5m Դwww.examda.com
120%
510m
110%
1014m
100%
A.52.0Ԫ B.57.2Ԫ
C.58.0Ԫ D.62.4Ԫ
24.ijʩҵаһ,ƻש100m3,йضȷÿúש515,ÿש۸Ϊ0.18ԪʵשΪ110 m3,ÿʵש520,ÿשʵʲɹΪ0.15Ԫשֱӳɱǣ
A.690Ԫ B.+690Ԫ
C.1470Ԫ D.+1470Ԫ
֯ͼֽƽת B.ṩ̽ȼƻӦͳƱ
C.ȷˮƵ㪤 D.Эʩֳ¹ߵı
E.깤̲е
25.ʩҵɱüƻıƹ,ÿһԤִӦһεԤֵ,ͬʱԤƶһʱεԤ㷽ǣ
A.Ԥ B.Ԥ㪤 Դwww.examda.com
C.Ԥ D.Ԥ
26.ҵʵֵڽ˰,һӦ·:ȡӯ𣻢ֲҵǰȿ𣻢֧˰յɽͷͶ߷ȡݶԣȷķ˳ǣ
A.--- B.---ܪ
C.--- D.---
27.ijʩҵȴ½װ,ִӦֵ˰Ļ,涨Ӧֱ㡢ֱ걨ͽӪҵ˰ֵ˰ҵֱܷȷ,
A.һֵ˰Ӫҵ˰ B.һֵ˰,Ӫҵ˰
C.˰Ӫҵ˰,ֵ˰ D.ֵֻ˰,۳ڽ˰
28.ڽһ,й涨Ŀ⳥ǣ
A.ƴʧͷê B.ԭȱݶê
C.̳а˵ĹԱ˲Ъ D.̲ͣȫͣʧ
29.ÿĿ,ĿҲ,ڰĿ ĸΡ Դwww.examda.com
A.ʩʼɺӪ B.ƿʼު
C.ʼު D.ʩʼ
30.ҹй涨,ԴͨԭϹҵ¸ĿĿϡĿĻֽޣ
A.Ϊ5000Ԫ B.ֱΪ5000Ԫ3000Ԫ
C.Ϊ3000Ԫ D.ֱΪ3000Ԫ2000Ԫ