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11.a|(zh)(sh)a6a8a14|(zh)(sh)MҪ30ԃ(ni)aУ (g)
A.1 B.2
C.3 D.4
12.Ź˾˻VÑᘌ(du)ԭ0.8Ԫÿ犵L;ԒM(fi)M(jn)˃(yu)ݻ(dng)ÿ10c(din)ֱ֮ڶ6c(din)֮gL;ԒM(fi)62.5%ÿ0.2ԪԒM(fi)ֲ׃ij9·ݵԒM(fi)58ԪӋ(j)ͨԒ130֪L;cԒͨԒr(sh)g֮Ȟ85ô9·ݵL;ԒM(fi)ǣ Ԫ
A.9.6 B.10
C.38.4 D.48
13.ij(hu)23λÿһŵλ(sh)ǰһŶɂ(g)ڵ18ŵijͬW(xu)(sh)ǰŵλ(sh)51ôԓ(hu)ݼ{ ^
A.837 B.897
C.943 D.993
14.Сr(sh)22qְֱȋ7qС2qĠ65qô ֮Сһڵg֮̈́õڠ?sh)g
A.2 B.4
C.6 D.8
15.ijе24У(lin)ekһ(chng)ِЅِ(du)ƽ֞6MF(xin)ڽM(ni)Ԇѭh(hun)ʽِ֮پۼ@ÿ(g)СMĵһ(du)M(jn)ֱِ̭a(chn)܊ôԓِҪ (chng)
A.32 B.47
C.48 D.49
16.̈(chng)"I10030ȯ"(dng)ஔ(dng)ڴ
A.7 B.7.7
C.7.9 D.Ͼ(du)
17.һ(xing)ԭӋ(j)ɼ׆Ϊ(d)tҎ(gu)r(sh)g(ni)ڼͻȻҪ(du){(dio)F(xin)ЃɷN{(dio)䷽һNһҴtҪӺ5ڶNɼסҺ3µ҆Ϊ(d)ҲҎ(gu)r(sh)gôԓ̵Ҏ(gu)r(sh)gǣ
A.7 B.7.5
C.8 D.8.5
18.˻տƿij̵e"4(g)VȪˮƿQһƿVȪˮ"Ļ(dng)ijм15(g)VȪˮƿôԓ(dng)߀(hu)ʣ£ (g)ƿ
A.0 B.1
C.2 D.3
19.һ342W(xu)5λώһԪ(hu)(hu)Y(ji)ǰҪbM47(g)˵ֵļгȡ5"֮"ٛ(zng)ͽo(jing)Ʒһώɞ"֮"ij鷨У N
A.559650 B.573240
C.575530 D.582210
20.ij܇g(du)a(chn)܇`С֞һƷƷ͚Ʒ(g)ȼ(j)`С0.01mmĞһƷ`ڵ0.01mmС0.02mmĞƷ`ڵ0.02mmĞ隈ƷijC(j)a(chn)һa(chn)ƷйКƷ8Ĕ(sh)(j)ԓC(j)a(chn)ĴƷ16%20%֮g֪ԓa(chn)ƷжƷĔ(sh)һƷ3ôԓa(chn)ƷĔ(sh)飨
A.33 B.42
C.44 D.49
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