1.P(gun)䓽ݿȼ(j)Ĵ_Ҫe(cu)`һ(xing)?
A.O(sh)ĿܽY(ji)(gu)ӿܲГ(dn)ĵAشڽY(ji)(gu)Aص50%r(sh)ܵĿȼ(j)(yng)ܽY(ji)(gu)_Ŀȼ(j)cܵĿȼ(j)ͬ
B.ȹcB(yng)ȹ_ȼ(j)P(gun)(yng)ǵĿȼ(j)
C.(dng)?sh)픰ϲY(ji)(gu)Ƕ̲λr(sh)һӵĿȼ(j)(yng)cϲY(ji)(gu)ͬһ¿(gu)ʩĿȼ(j)ӽһ(j)(yng)ļ(j)
D.(li)Ŀȼ(j)˲һ(j)
ࣺD
2.҇(gu)_(qing)ȵȼ(j)õĘ(bio)(zhn)ԇߴ( )
A.ֱ150mm300mmĈAw
B.ֱ150mm150mmĈAw
C.߅L(zhng)150mmw
D.߅L(zhng)300mmw
𰸣B
2020ע(c)ԇ}(k)W(wng)Уn | ||
ԇ}(k) | 2020һ(j)ע(c)ԇ}(k) | ھ} |
W(wng)Уn |
2020һ(j)ԇW(wng)Уn̾ſƾv+}A(y)y(c)+ģԇ} |
ھԇ (tng) |
3.P(gun)ڳý䓲ĵĔe(cu)`?
A.䓲һ̼֞ͨ䓡ͨͺϽ䓺̓(yu)|(zh)̼(li)
B.̼ͨS̖(ho)(qing)L(zhng)ʽ
C.̼ͨS̖(ho)(qing)L(zhng)
D.̼ͨ䓰䓠tN֞ƽt䓡D(zhun)t䓡՚D(zhun)tNÓ̶ȷַv䓡(zhn)o(zhn)oN
𰸣C
4.䓽W(xu)ܿɷ֞ܛ䓺Ӳ䓃(li)(du)Ӳͨȡ(yng)ښ(yng)׃?yu)? )r(sh)đ(yng)(qing)
A.0.1%
B.0.2%
C.0.3%
D.1.0%
𰸣B
5.ϽY(ji)(gu)ݵĿgc( )P(gun)
A.w(w)(li)e͙Mg
B.MgПo(w)ɽ
C.Пo(w)ɽʩ|(zh)
D.w(w)(li)eʩ|(zh)
𰸣A
6.P(gun)ڵ(j)͵ҶȵĔĂ(g)e(cu)`?
A.һε(j)ûҶȱʾ
B.Ҷȱʾһε(du)(g)ͬ^(q)ĵر(li)Ӱ푵ď(qing)̶
C.(j)ʾһεጷĴС
D.1976҇(gu)ɽ7.8(j)ҶȞ11
𰸣A
7.ڽY(ji)(gu)O(sh)Ӌ(j)Ҫصԭt( )
A.(qing)(qing)(qing)(ji)c(din)(gu)
B.(qing)(qing)(qing)(gu)(ji)c(din)
C.(qing)(qing)(qing)(ji)c(din)(gu)
D.(qing)(qing)(qing)(gu)(ji)c(din)
𰸣A
8.䓽W(xu)ܿɷ֞ܛ䓺Ӳ䓃(li)(du)Ӳԇ(yn)Пo(w)@ͨȡ(yng)ښ(yng)׃?yu)кֵr(sh)đ(yng)(qing)(Ql(qing))?
A.0.1%
B.0.2%
C.0.3%
D.1.0%
𰸣B
9.wY(ji)(gu)ӵĉĻA(ch)^r(sh)tĸ߶ȑ(yng)Ԙǰ( )
A.A(ch)
B.ƺ҃(ni)
C.500mm
D.҃(ni)1/2̎
𰸣C
10.ɰ{(qing)ȵȼ(j)߅L(zhng)( )w(bio)(zhn)ԇKڜضȞ15~25h(hun)Ӳgڞ28dĘO(qing)ƽֵ_
A.70mm
B.100mm
C.70.7mm
D.75mm
𰸣C