11O(sh)Ӌǰڹȫ_( )
A.ṩһݾķD
B.ؓ؟O(sh)ĿIJ߄헣
C.M̽xַĿĿ
D.Ŀhо桢uQߵ
𰸣D
12O(sh)ӋĹ܆}УһlҪĺĆ}( )
A.ܷօ^(q)
B.ɢ
C.gM
D.ͨLɹ
𰸣D
13.쉯O(sh)ӋʹһN( ).
A.SȡB.wC.ȡD.α
𰸣C
14.P(gun)ڈD^صҪDz?
A.cmͨD^(yng)Ϯ?sh)س?zhn)Ҏ(gu)Ҫ
B.h(hun)oظˮ
C.עռȻͨLlO(sh)ضΑ(yng)Mʹõõij
D.СС͈D^(yng)бҪİl(f)չ̈́tҪ
𰸣D
15.ס^(q)ɵԭtк_?
A.ƽ̹^(q)ɵԲ¶v¿С0.3%;
B.ɵ˸ߑ(yng)Եڸס^(q)õصĘ˸;
C.ɵ˸߿Ըڸס^(q)õصĘ˸;
D.¶^r·һcȸ߾бҪrҲcȸ߾شֱ.
𰸣B
16.P(gun)Ѓ׃@TO(sh)f_( )
A.ҡwґ(yng)O(sh)pƽ_T
B.ҡwTȲ(yng)С1.20m
C.ھ0.70m̎˼O(sh)׃
D.gʹÏT
𰸣D
17.k_ʽ_ʽk҃(ni)κһcİȫڵֱx(yng)^( )m
A.25
B.30
C.35
D.40
𰸣B
18.F(xin)ĉKͬ¶ȵĈعijס^(q)õxԈ¶( )^齛(jng)
A.2
B.5
C.8
D.12
𰸣D
19.ͨ^һv݆κһˌеߵС( ).
A.1.2mB.1.5mC.1.8mD.0.9m
𰸣B
20.P(gun)סլⲿh(hun)е·O(sh)õҎ(gu)( )l_
A.p܇··挒Ȳ(yng)С6.0m;լǰ··挒Ȳ(yng)С4.0m
B.Mʽ·Lȴ120mr(yng)ڱMO(sh)òС12m12mĻ܇ء
C.Ҫ·¶^r(yng)O(sh)_cе·
D.ڿO(sh)^(q)·ͨ(yng)]p(zi)Ȟ(zi)Ҫ
𰸣A