归纳法分为完全归纳法和不完全归纳法,举例:有一箱苹果,拿了三个来尝一尝,是甜的,于是得出结论,这箱苹果是甜的。这是完全归纳法

1、正确
2、错误
查看答案
正确答案:

错误

答案解析:

暂无解析

上一题
你可能感兴趣的试题

Theagriculturalrevolutioninthe19thcenturyinvolvedtwothings:theinventionoflabor-savingmachineryandthedeyelopmentofscientificagriculture.Labor-savingmachinerynaturallyappearedfirstwherelaborwasscarce.“InEurope,”saidThomasJefferson,“theobjectistomakethemostoftheirland,laborbeingabundant:hereitistomakethemostofourlabor,landbeingabundant.”ItwasinAmerica,therefore,thatthegreatadvancesin19thcenturyagriculturalmachineryfirstcame.

Attheopeningofthecentury,withtheexceptionofacrudeplowfarmerscouldhavecarriedpracicallyalloftheexistingagriculturalimplementsontheirbacks;by1860,mostofthemachineryinusetodayhadbeendesignedinanearlyform.Themostimportantoftheearlyinventionswastheironplow.Asearlyas1790CharlesNewboldofNewJerseyhadbeenworkingontheideaofacast-ironplowandspenthisentirefortuneinintrodueinghisinvention.Thefarmers,however,wouldhavenoneofit,claimingthattheironpoisonedthesoilandmadetheweedsgrow.Nevertheless,manypeopledevotedtheirattentiontotheplow,untilin1869JamesOliverofSouthBend,Indiana,turnedoutthefirstchilled-stillplow.?

1.Whatisthemaintopicofthepassage?

a.Theneedforagriculturaladvancestohelpfeedagrowingpopulation.

b.Thedevelopmentofsafermachinesdemandedbythelabormovement.

c.Machinerythatcontributedtotheagriculturalrevolution.

d.NewJerseyasaleaderintheagriculturalrevolution.

2.Theexpression“makethemostof”inLine4isclosestinmeaningtowhichofthefollowing?

a.getthebestyieldfrom

b.raisethepriceof

c.makefulluseof

d.earnalivingon

3.WhichofthefollowingcanbeinferredfromwhatThomasJeffersonsaid?

a.EuropewaschangingmorequicklythanAmerica.

b.EuropehadgreaterneedoffarmmachinerythanAmericadid.

c.Americawasfinallyrnningoutofgoodfarmland.

d.TherewasashortageofworkersonAmericanfarm.

4.Itcanbeinferredthatthewaord“here”inLine4refersto_____.a.Europe

b.America

c.NewJersey

d.Indiana

5.Whatpointistheautormakingbystatingthatfarmerscouldcarrynearlyalltheirtoolsontheirbacks?

a.Farmershadfewtoolsbeforetheagriculturalrevolution

b.Americansweretraditionallyself-reliant.

c.Lifeonthefarmwasextremelydifficult.

d.Newtoolsweredesignedtobeportable.

下列哪项不是重度妊高征的表现()

A、血压高于213/147kpa
B、头痛、头迷、视力障碍
C、下胶水肿
D、24小时尿蛋白定量>5g
E、眼底动腺痉挛伴视网膜水肿、渗出物及出血

Copernicusmaintainedthattheearth_____roundthesun.

A、moves
B、moved
C、moving
D、move

羊膜镜检查时观察到羊水的正常颜色是()

A、黄色
B、黄绿色
C、淡青色
D、深绿色

根据尿瘘发生的部位,最多见的是()

A、尿道阴道瘘
B、膀胱阴道瘘
C、输尿管阴道瘘
D、膀胱尿道阴道瘘
热门试题 更多>
相关题库更多>
综合知识
法律常识
职业道德
安全主任
试卷库
试题库