11.NƽߴچŲO(sh)r(yng)Сڶ?
A.1.2m
B.1.5m
C.1.8m
D.2.1m
𰸡B
12.סլ(ni)ͨPҵ^(yng)С( )m
A.0.9
B.1.0
C.l.1
D.1.2
𰸡B
13.cͽ( )кܴe
A.ɢ
B.g
C.
D.
𰸡A
14.mϲȫ՚ʽп{(dio)ϵy(tng)?( )
A.ӰԺ
B.w^
C.չ[^
D.e^ͷ
𰸡D
15.V¶ͨ( )
A.0.1%
B.0.2%
C.0.5%
D.0.4%
𰸡B
16. ýO(sh)ӋļƵf헲_?
A.O(sh)ӋffI(y)O(sh)Ӌf
B.Ҫе|(zh)ԔY
C.P(gun)I(y)O(sh)ӋDҪO(sh)ϱɆΪ(d)ɃԻf
D.̸քe헹̸헹̾CϸO(sh)Ŀ
𰸡B
17. O(sh)ӋAӰ푹rǣ
.ƽΠ
.Ӹ
.(qing)ȵȼ
.ʩ
.Y(ji)(gu)
A.
B.
C.
D.
𰸡D
18. һr¡uY(ji)(gu)ʽĶӽSӔ(sh)ηr(Ԫ/m2)ʺ׃?
A.
B.׃
C.
D.ߟoP(gun)ϵ
𰸡A
19. 헲ʩDO(sh)ӋļȵҪ( )
A.ܓ(j)M(jn)ʩ(zhn)
B.ܓ(j)ԾʩDA(y)
C.ܓ(j)ŲO(sh)䶨؛ͷǘ(bio)(zhn)O(sh)
D.ܓ(j)M(jn)й
𰸡A
20. ҇F(xin)СסլO(sh)ӋҎ(gu)Ҏ(gu)ͨסլӸ߲˸ڶ?
A.2.4m
B.2.6m
C.2.8m
D.3.0m
𰸡C