11ýܷ֞ɴ(xing)_?
A.סլck
B.wcȺw
C.ߌc͌ӽ
D.סc
:D
12סլ(ni)һRՕr(sh)ݶ(yng)С( )m
A.0.75
B.0.8
C.0.9
D.1.0
:A;
13ߌסլcסլą^(q)eһl_?
A.ֱͨʽͬ
B.Y(ji)(gu)wϵͬ
C.(bio)(zhn)ߵͲͬ
D.Ҏ(gu)ȼ(j)ͬ
:C
14g^ҸgҪΪ(d)Ɯضȵý,˲()
A.ȫ՚ϵy(tng)
B.L(fng)C(j)PܼL(fng)ϵy(tng)
C.{(dio)ϵy(tng)
D.غ{(dio)ϵy(tng)
:B
15P(gun)܇O(sh)õ( )fDz_ġ
A.܇ȡˮȻˮԴˮؑ(yng)O(sh)܇
B.܇ăȺ̓ո߶Ⱦ(yng)С4.0m
C.h(hun)܇ّ(yng)Ѓ̎c܇Bͨ
D.M^ʽ܇(yng)O(sh)û܇܇܇e(yng)С12.0m12.0m;܇ʹÕr(sh)С15.0m15.0m
:D
16.TdO(sh)Ӌ(j)һ㑪(yng)M( )Ҫ .mij߶ȸ .mȵ_ ._Č(do) .m(dng)?sh)^ɸ
A.
B.
C.
D.
𰸣B
17.M(jn)kO(sh)Ӌ(j)r(sh)ȻͨL(fng)kͨL(fng)_e(yng)Сڷgذe( )
A.1/10
B.1/15
C.1/20
D.1/25
𰸣C
18.Ѓ׃@≦x1.3m߶ȷ(ni)(yng)ºηNӲ?
A.≦Ϳ
B.Nu
C.ˮˢʯ
D.ˮɰ{
𰸣C
19.(zhn)·Ǵ(zhn)Ҏ(gu)(ni)·挒( )mϵ·ĿQ
A.12
B.7
C.5
D.3.5
𰸣D
20.P(gun)܇ėl?
A.܇M(jn)܇vlַ(yng)xڳиɵ̎
B.˿t(y)ԺW(xu)Уסլ
C.(yng)]һõͣ܇{(dio)܇܇
D.܇wO(sh)Ӌ(j)r(sh)Ҫ]c܇h(hun)ąf(xi){(dio)ͽy(tng)һ
𰸣A