11҇(gu)O(sh)ˮ(zhn)P(gun)ڱֵҶȵ()N_
(A)ֵҶcҶȌ(sh)Hȵ
(B)ֵҶȵĵٶȱȻҶȵĵٶȼs0.15g
(C)ֵҶȵr(sh)O(sh)Ŀ(bio)齨̎ʹàB(ti)
(D)ֵҶԓ^(q)50(ni)Ҷȵƽֵ
:(C)
12.ķNڻW(xu)ӹ̷()?
A늓;Bۇ;
Cˮ蘶;D߉ע{;
𰸣A
13.(yn)Ȼػڵµijdr(sh)]4Nr
()A(ch)cػ֮gSÓ_(ki);()A(ch)cػ֮gSÓ_(ki);
()PfSE,Pmax1.2fSE;()PfSE,Pmax1.2fSE;
ʽP-A(ch)MϵƽO(sh)Ӌ(j)ֵ;PmaxһA(ch)߅MϵO(sh)Ӌ(j)ֵfSE-{(dio)ػϿdO(sh)Ӌ(j)ֵ
нMУһ(xing)_
(A);(B);(C);(D)
𰸣C
14.(jng)̌(sh)`͌(sh)(yn)оCFG|ӵĺһȡ()?
A510cmB1030cm
C3050cmD50100cm
𰸣B
15.r(sh)(hu)a(chn)(yn)Һĵػ(du)ڱڴ_ػ̎ͻA(ch)r(sh)к(xing)ʩDzϿҪ
(A)(du)Һ̎÷A(ch)ʮֽA(ch)ȄԺw^õĜ\A(ch);
(B)_(dng)ɰȷӹҺʹԓӵĘ(bio)(zhn)؞(sh)(sh)y(c)ֵ(yng)Rֵ;
(C)ӻA(ch)A(ch)Һµķ(wn);
(D)ØA(ch)Һµķ(wn)
𰸣A
16.M(jn)Һָ(sh)Ӌ(j)r(sh)Уһ(xing)_
(A)Һָ(sh)ȡQڵر15m֮(ni)ĵ،ϲӵӰ푙(qun)(sh)^;
(B)Һָ(sh)ȡQڵر15m֮(ni)ĵ،ԣҺӵӰ푙(qun)(sh)^;
(C)Һָ(sh)ȡQڻA(ch)ӷ֮(ni)ĵ،ϲӵӰ푙(qun)(sh)^;
(D)Һָ(sh)ȡQڻA(ch)ӷ֮(ni)ĵ،ҺӵӰ푙(qun)(sh)^
𰸣A
17ػd_A(ch)er(sh)A(ch)ϵĺd()()?wط(xing)ϵ(sh)()?
A.MO(sh)Ӌ(j)ֵ1;B.L(zhng)Ч(yng)MϘ(bio)(zhn)ֵ1.2;
C.MϘ(bio)(zhn)ֵ1.4;D.dMO(sh)Ӌ(j)ֵ1;
𰸣A
18()x(xing)f(shu)ָ(xing)ĿͶY(dng)YͶY
(A)(xing)ĿIg鱣CIҪD(zhun)Y
(B)(xing)Ŀڽg鱣C(sh)ʩD(zhun)Y
(C)(xing)ĿͶa(chn)M(jn)a(chn)D(zhun)Y
(D)(xing)ĿIڽg鱣C(sh)ʩD(zhun)Y
:(C)
19Ӌ(j)ػ(wn)r(sh)d()(xing)ϵ(sh)()()?
A.L(zhng)ڽM1.2(bio)(zhn)ֵ;B.M1.0(bio)(zhn)ֵ;
C.M1.4O(sh)Ӌ(j)ֵ;D.M1.2O(sh)Ӌ(j)ֵ;
𰸣B
20(du)()ĵػɲM(jn)׃(yn)?
A.һ(j);B.fK<130KPawΏ(f)sĶ(j);
C.fK<130KpaӔ(sh)5wؽY(ji)(gu);D.60KPafK130KpaӔ(sh)5ӵĿܽY(ji)(gu);
𰸣D