-高考數(shù)學(xué)二輪復(fù)習(xí)第1部分重點(diǎn)強(qiáng)化專題專題3概率與統(tǒng)計(jì)第7講回歸分析獨(dú)立性檢驗(yàn)課件理

題型1回歸分析題型2獨(dú)立性檢驗(yàn)三年真題驗(yàn)收復(fù)習(xí)效果欄目導(dǎo)航專題限時(shí)集訓(xùn)回歸分析題型1

獨(dú)立性檢驗(yàn)題型2

驗(yàn)收復(fù)習(xí)效果三年真題︳

團(tuán)Tiffany，a16-year-oldgirl，wasveryshy.LastSeptember，herbestfrien“IwasreallysadthemomentIheardthebadnewsandIdidn'tknowwhattodo，”Tiffanyrecalled.“Ishutmyselfinmyroomforawholeweek.ItwasthenthatmyaunttookmetoasportscluboneSaturdayandIsawsomanyyoungpeopleplayingdifferentkindsofsportsthere.Isignedupforabeginner'scourseinvolleyballandsincethenIhavebeenplayingthissport.NowIpracticetwiceaweekthere.ItiswonderfulplayingsportsinthisclubandIhavemadelotsoffriendsaswell.2”Themostbasicaimofplayingsportsisthatyoucanimproveyourhealthevenifyouarenotverygoodatsports.Besides，youcangettoknowacircleofpeopleatyouragewhileplayingsports.3Sinceshejoinedthesportsclub，sIgotusedtothelifehere.AndnowIknowlotsof(5)_________here.Forexample,whenImeetmyfriendonthestreet,Iusually(6)_________himlikethis,“Hey,whereareyougoing?”Inourcountryifsomeoneasksthis,peoplemayget(7)_________butinthiscountrypeoplewon't.Ofcourse,therearesomeotherinterestingthingshere.I'lltellyouaboutthemnexttime.hehasopenedupherselfandnowshehasbecomeveryactiveandenjoysmeetingandtalkingwithothers.1．It'spoliteforgirlstokisseachotheronthesideoftheface.salsobecomemoreconfident.團(tuán)圓圓一家在臺(tái)灣可受歡迎了。每天，小朋友們排著長(zhǎng)隊(duì)，等著跟它們合影留念。從“排著長(zhǎng)隊(duì)”體現(xiàn)出每天喜歡它們的人不計(jì)其數(shù)，特別受選D.A.根據(jù)同類項(xiàng)合并法則,與不是同類項(xiàng),不能合并,故本選項(xiàng)錯(cuò)誤;B.根據(jù)算術(shù)平方根的定義,=3,故本選項(xiàng)錯(cuò)誤;C.根據(jù)同底數(shù)冪的乘法a?a2=a3,故本選項(xiàng)錯(cuò)誤;D.根據(jù)積的乘方,(2a3)2=4a6,故本選項(xiàng)正確.歡迎。從“合影留念”體現(xiàn)出大家都想