2022年北师大版小学数学六年级上册第四单元测试题.docx

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1、精选学习资料 - - - - - - - - - and statisti sampling rangcs) g(Ii) animal immune antibody and the e involve d 7 a Xia ng (town) 7 a village 8 houblight monitoring se hol ds farming house1, and sampli hol ds; ng sit uation accordi ng to XX city animal blig 99 equine serum, sampling covers 2 viht preventi l

2、lages 8 97on Control Ce nter issued t -farming family in a village. d t o I distri tri ct of monit oring task, fall prevention i s expecombine cted in late d I distri ct act ual, put task by a nimal feeding te October. 2 immune a ntibody, monitg situation de com oring results monitoring position t o

3、 the serum 697 Xiang (town), sampli prevent ion monito ng range covers area all o ring over the area ill Xiang (tow n the spring. Whin) of dam distri ct, and mountain a ch chi cken M etro epi demic and m ntibody i d-level detectis, focus sam pling on 130 copies, quascale farms, a lified 94 copind to

4、w n around, and hig hway along, a es, rate 72.3% ; avian i nfluenza (H5N1) antind focus e body detengin tee ering around, a nd farming inte nsive di strict, a ction 250 copies, qualified 223 copie s, rate 89.2%nd e pidemi c preve ntion model ; cattle w di sease antibody el social, bl ight spread hig

5、 h risk regi detecti on 70 oufen, qualified 50 copies, rate onal fe eding of ha e 71.4%; a s from animal. shee p w di sease a Spring a a ntibody nti-2015 spring a detecti on 70 a nti-total sampli oufen, qualified 50 Ti ng serum 548 copie oufen, rate 71.4%; clas, whi ch i ncl ssical swiudi ng pig ser

6、um 59 ne fever antibody 9 copies, sam detecti on 59 pling ra nge involve d 7 a Xiang (tow oufen, qualified 55 copies, rate 93.2%; n) 7 a village 10 households farming house pig w disease a ntibody detection 59 Toufeholds, w hich contai ns 2 a farms; chicke n, qualified 42 copies, Rate of 71.2%. n se

7、r um 250 copies, sam pling ra nge involve d 7 a Xiang (tow Blue-ear pig disea se anti body dete ction 59 Toufen, qualifien) 7 a village 14 hou d, 58, wa s 98.3%. se hol ds farming households, whi ch contai i ns 10 a scal e farming househol ds; shee p serum 70 copies, sampling range involved 7 a Xian

8、g (town) 7 a village 7 households farming households; cattle serum 70 copies, fall prevention is expected i n late Octobe r. pathogen monitori i ng spring control serum 549 in detecti on of pathogens i n the a utonomous region. Which pig pseudo crazy dog detection 59 Toufe nn, positive 26 copies, po

9、sitive rate 44.1%; pig b type e nce pha litlitis detection 59 Toufen, positive 6 copies, positive rate 10.2% % ; pig ring virus disea se dete ction 27 Toufen, positive 9 copies, , positive rate 33.3%; cloths Bacillus disea se detection 199 Toufen, positive 0 copies, positive rate for 0; Ma Chuan pov

10、erty detection 99 Toufen, positive 0 copies, positive rate for 0; W ill detect 52, 7 positive, the positive rate for 13.5%. Detection of porcine Parvovir vir us 27, 4 positive, positive rates 14.8% ; 27 pathoge n detection of classica l swine fever, positive, 0, positive rate of 0. fall prevention i

11、s expected i n late October. Lung plague serum samples sent Center samples 30; rabies immune serum 10; dog brain of 5 copies of highly pat hogenic avian influenza, subtype H7N9 fl fl u and Newcastle disea se of chicken Laryngotracheal 60; duck pipe 20; the highly pathogenic bl ue-ear pig splee n and

12、 lungs s of 40; cotton swab influenza 10. (C) epidemiological investigati ti on and disposition 1, out break on February 3, 2015, long Tan Xiang l ong Tan village, small groups of villager er s suspe cted goat small rumina nt animal epidemic disea ses, i nvolving 3 132 goats. On June 15, 2015, Nanpi

13、 ng town la la zy man Lian Cun Wei Hui chi cken farmer Guo Shua n steady next to the fire to village groups of poultry disease, initially diagnosed as suse cted type e of animal北师大版小学数学六年级上册第四单元测试题（含答案）一、填空题。（每小题 1 分，共 22 分）1.在 321.5 中， 3 叫做比的（），2 叫做比的（），1.5 是（）。2.（）（） 9 （） 403. 在一次投篮比赛中，小明投（ ）的投篮命中

14、率较高。10 个，中了 8 个，小贝投 12 个，中了 10 个。4. 小红买了 5 个相同的皮球，共用去 100 元，总价与数量的比是（） ，比值是（），这个比值表示的是（）。5. 两个数的比值是1 ，把这两个数同时扩大 55 倍，比值是（）。6. 一种盐水，盐占盐水的1 ，盐与水的重量比是（）（） 。207. 甲、乙两数的比是34。（1）甲是乙的，乙是甲的；（2）甲是两数和的，乙是两数和的；（3）甲比乙少，乙比甲多。8. 圆的周长与直径的比值是（） 。9. 一个比的前项是 5，如果前项增加10，后项应该 ( )，才能使比值不变。二、判断题。（正确的打“ ” ，错误的打“ ” ）（每题 2

15、分，共 10 分）名师归纳总结 1.40 12013，这个过程叫求比值。 （）d to November carrie strict 2015 a nimal epid out (five) eradication demic prevention work im n horse infectiim plementation pron sex a ogranemia di mme and i sease wthe 321 teork I distri chnolct eradi cation hor gy programme, Distrise infecti on sex a rict Go

16、vern a nemia work nment and the curre ntly has Xiang (towcom n) Goverpl eted of work nment sig has: ened ha s animal e stabli she al e phe d has pidemic preve XX district era e ntion targedicati t responon horse i si binfection sex anemia disea bility, stresse d to always se work le put major ad gro

17、up; devel nimal blig ht control wope d has implementatiwork put in livestockon pr veterinaryogramme; com work of primapleted ry lhas over ocation, to of monitori high patng task, wrote hoge nic sex has over avian influenzasummary, , livestohas no detection out positive horse is a k foot-a nd-mouth,

18、five a m a nimal; issueajor animal blight cond ha trol fors the Xiang (town), a focus, further imprnd villag ove e level no hor ove awareness, ar se is a nd impla nimal stock ementation responprove sibilityd. Third, the mea , a nd caref sures take ef ully organin by (a) the zation, and disease. prec

19、ise pla Veterinary sector left 67 deapla nni ng, impleme ntation of majod chickens were culle r animal e pidemi c preventi d harmless treatment, dieti on and control work id on the spot over m n my area leaders attentiore tha onn 200 chicke on, the meticulns wer ous, or e burien February 10, d. 2015

20、, thOn July 1, 2015, to 7t e major animal eh, Liu Shun Z pidemi c prhen Guan Fa eventi on ang village swi on and treatment ne strept ococci disease e headquarters held e pidemi c, the iby the township (townci dence of 14 n) in charge 4 houseof the leahol ds, 43, killed dership and the t3. ownshOn Au

21、gust 11, 2015, as Zhen Hai ip (town) animal husbandry anZi Wei Hui, the nd veteri nary station anbreedi ngd belng of goats a onge d tond shee the statie p, dry sores, on chief tos, number 49, a parti cipate ind 20, no n animal edeath. pidemi c preventi On August 15, 2015, the towti on work Conferenc

22、e, and with t n of Banpo V t he towillage farmers raising sw nship (tow n) peoples Governme ine Strept me nt siococcus suis, num gne d the year Responsi ber 5, the incide nsi bility for ance nimal eof 5 deaths 2. pidemi c preventi(Four) mortality survey is expecteon. Will Shang issued has XX disolid

23、 work, e nsure spring a nti-the target on time, establish a responsibi lity system, distri ct-level techni and by quality, and by v ni cia ns each association olume complete d. 1 townshi ps (towns), supervisi After the meeting, the township (tow si on a nd te chnical gui dance. n) also hel d the wor

24、k of a nimal epi District village layer Layer signei demic preventi d target responsinti on, work to m obil ize depl oyment, develop a responsi bility, i bilit y, to improve epi demic prev ention Member treatment, sprin accordance wit ng twoh the focus on immunization, fenpia nba a ogan, entire vill

25、ages to promote work requirements and 321 tchnical work programme. (B) enhanced m m onitoring, a ctive outbreak warning as of Se ptember 20, 2015, have completed all samples submitted tasks, base d on pat at hoge e n surveillance, foll l owing careful analysi s of the epide mic in our region, commun

26、icate i n n a timely manner and the villages (towns) of animal husba ndry and veteri i nary station, provide g uidance to the work of animal epidemi i c preve ntion in t t he autonomous region. Immune preventi nti on work wa wa s all over in the spring, is now complete antibody y monitori ri ng bl o

27、od, upcoming testing. (Iii) the implementation of measures to e nsure that work is in pla ce to ensure that the preve e ntion and control of major animal dise e ases into reality, XX district a a nimal husbandry and veterinary Bureau to 第 1 页，共 6 页- - - - - - -精选学习资料 - - - - - - - - - and statisti s

28、ampling rangcs) g(Ii) animal immune antibody and the e involve d 7 a Xia ng (town) 7 a village 8 houblight monitoring se hol ds farming house1, and sampli hol ds; ng sit uation accordi ng to XX city animal blig 99 equine serum, sampling covers 2 viht preventi llages 8 97on Control Ce nter issued t -

29、farming family in a village. d t o I distri tri ct of monit oring task, fall prevention i s expecombine cted in late d I distri ct act ual, put task by a nimal feeding te October. 2 immune a ntibody, monitg situation de com oring results monitoring position t o the Xiang (t own), sampli serum 697 pr

30、event ion monito ng range covers area all o ring over the area iXiang (tow n the spring. Whin) of dam distri ct, and mountain a ch chi cken M etro epi demic and ntibody mi d-level detectis, focus sam pling on 130 copies, quascale farms, a lified 94 copind tow n around, and hig hway along, a es, rate

31、 72.3% ; avian i nfluenza (H5N1) anti a nd focus e ti body detengine teering around, a nd farming inte nsive di strict, a ction 250 copies, qualified 223 copie s, rate 89.2%nd e pidemi c preve ntion model ; cattle w di sease antibody el social, bl ight spread hig h risk regi detecti on 70 oufen, qua

32、lified 50 copies, rate onal fe eding of ha e 71.4%; a s from animal. shee p w di sease a Spring a a ntibody nti-2015 spring a detecti on 70 a nti-total sampli oufen, qualified 50 Ti ng serum 548 copie oufen, rate 71.4%; clas, whi ch i ncl ssical swiudi ng pig serum 59 ne fever antibody 9 copies, sam

33、 detecti on 59 pling ra nge involve d 7 a Xiang (tow oufen, qualified 55 copies, rate 93.2%; n) 7 a village 10 households farming house pig w disease a ntibody detection 59 Toufeholds, w hich contai n, qualified 42 ns 2 a farms; chicke copies, Rate of 71.2%. n ser um 250 Blue-ear pig copies, sam pli

34、ng ra nge involve d 7 a Xiang (tow disea se anti body dete ction 59 Toufen, qualifien) 7 a village 14 d, 58, wa s 98.3%. househol ds farming households, which contai i ns 10 a scal e farming househol ds; shee p serum 70 copies, sampling range involved 7 a Xiang (town) 7 a village 7 househol ds farmi

35、ng households; cattle serum 70 copies, fall prevention is expected i n late October. pathogen monitori i ng spring control serum 549 in detecti on of pathogens i n the a utonomous region. Which pig pseudo crazy dog detection 59 Toufe nn, positive 26 copies, positive rate 44.1%; pig b type e nce pha

36、litlitis detection 59 Toufen, positive 6 copies, posit ive rate 10.2% % ; pig ring virus disea se dete ction 27 Toufen, positive 9 copies, positive rate 33.3%; cloths Bacillus disea se detection 199 Toufen, positive 0 copies, positive rate for 0; Ma Chuan poverty detection 99 Toufen, positive 0 copi

37、es, positive rate for 0; W ill detect 52, 7 positive, the positive rate for 13.5%. Detection of porcine Parvovir vir us 27, 4 positive, positive rates 14.8% ; 27 pathoge n detection of classica l swine fever, positive, 0, positive rate of 0. fall prevention is expected i n late October. Lung plag ue

38、 ser um samples sent Center samples 30; rabies immune serum 10; ; dog brain of 5 copies of highly pat hogenic avian influenza, subtype H7N9 fl fl u and Newcastle disea se of chicken Laryngotracheal 60; duck pipe 20; the highly pathogenic bl ue-ear pig splee n and lungs s of 40; cotton swab influenza

39、 10. (C) epidemiological investigation and disposition 1, out break on February 3, 2015, long Tan Xiang l ong Tan village, small groups of villager er s suspe cted goat small rumina nt animal epidemic disea ses, i nvolving 3 132 goats. On June 15, 2015, Nanpi ng town la la zy man Lian Cun Wei Hui ch

40、i cken farmer Guo Shuan steady nex t to the fire to village groups of poultry disease, initially diagnosed as suse cted type e of animal2. 含盐率 10%的盐水中，盐和盐水的比是19。（ ）3. 因为 A 的 3 倍等于 B 的 4 倍，所以 A:B34。（）4. 比值是 2，比的后项是7 ，则比的前项是 67 。（ ）35. 两个数相除，又叫做两个数的比。 （ ）三、选择题。（将正确答案的序号填在括号里） （每小题 2 分，共 10 分）1. 甲比乙多 2

41、0%，则甲、乙两数的最简整数比是（）。）。A.56 B. 65 C.54 D.45 2. 正方体的棱长和与棱长的比是（）。A.61 B. 41 C.81 D.1213.10 克糖溶于 100 克水中，糖与糖水的比是（）。A.110 B. 111 C.111 D.19 4. 一个边长 5 的正方形与一个边长为3 的正方形的面积比是（）。A.53 B. 35 C.259 D.925 5. 两辆汽车行完同一段路程， 甲车要 3 小时，乙车要51小时，甲、乙两车的速度比是 （2A.116 B. 611 C.1 1116四、化简比与求比值。 （每题 2 分，共 20 分）1. 化简比。1620 2n H

42、ai Zi Wei Hui, the breeding of goats and sheep, dry sores, number 49, and 20, no death. 4 0.24 3cation horse infection sex anemia work currently has completed of work has: establishe d has XX district eradication horse infection sex anemia 4 d has over of monitoring task, wrote has over summary, has

43、 no detection out positive horse is animal; issue d has the Xiang (town), and village level no horse is animal stock proved. Third, the measures taken by (a) the 81 1009 0.9On August 15, 2015, the town 0.03 2 31 2200of Banpo V illage farmers raising swine Streptococcus suis, number 5, the in cidence of 5 deaths 2. (Four) mortality survey is expected to November carried out (five) eradication horse infection sex anemia disease work I district eradidisease. Veterinary sector left 67 dead chi ckens were culled harmless treatment, died on the spot over more than 2