课时训练(十八) Unit2(九上)
(限时:30分钟)
Ⅰ.单项选择
1.[2018·达州] —WhatdoyouthinkofTheBeltandRoadInitiative(一带一路倡议)?
—Great!ItwillhelpChinaimprovethe withthoserelatedcountries.
A.relationship B.agreement
C.environment D.information
2.[2018·无锡一模]It'sknowntoallthatlearningaforeignlanguage action,oryouwon'tmasteritwell.
A.realizes B.reduces C.requires D.receives
3.Jackhassomedifficulty thetaskbyhimselfwithintwodays.
A.tofinish B.finishes C.finish D.finishing
4.[2018·徐州二模] —Wouldyouliketogofishingwithus?
—Soundsgreat,butI takearideinthecountry.Itwillbemoreexciting.
A.haveto B.preferto C.wouldlike D.crazyabout
5.[2018·河南]Thewords “racecar”,“kayak” and “level”arethesame theyarereadlefttorightorrighttoleft.
A.since B.though C.unless D.whether
6.D on'tstayuptoolate, youwillprobablybelateforschooltomorrow.
A.and B.so C.but D.or
7.[2018·安徽] —I'mafraidImightforgettobuythebreadafterwork.
—Don'tworry.Iwill youthen.
A.notice B.allow C.remind D.promise
8.[2018·盐城一模]Thegovernmentmadeapromise medicalcareandsocialsafetystrong.
A.keep B.tokeep C.keeping D.tokeeping
9.[2018·乌鲁木齐]Johntoldhislittledaughtertheearth fromthewesttotheeast.
A.moved B.moving C.moves D.move
10.[2018·随州] —WhatdidTomsaytoyoujustnow,John?
—Heasked .
A.whyIamsohappytoday
B.whodidIplayfootballwithafterschool
C.whatwillIdofortheweekend
D.ifIcouldgotothemovieswithhimtonight
Ⅱ.[2018·江西] 完形填空
Therearepurpleclothes,purplehandbags,purplebicycles,purplefurniture,evenpurplecomputers!Sopurpleisoneofthemost 11 colorstoday.Butinthepast,purplewasaveryexpensiveandunusualcolor.Let'stakealookattherich 12 ofthecolorpurple.
SomescientistsbelievethatthefirstplantstoappearonEarthover500millionyearsago 13 lookedpurple,notgreen.Plantstodayaregreenbecause 14 usegreenchlorophyll(叶绿素)toproduceenergy. 15 theseearlyplantsprobablyusedsomethingcalledretinal,whichisadarkpurplecolor.
DuringthetimeoftheRomanEmpire(37BC—476AD),itwasvery 16 tomakepurpledye(染料).Thedyecamefromseasnails(海螺).But10,000deadseasnails 17 youjustonegram(克)ofpurpledye…aswellasaverybadsmell!This 18 purpledyewascalledTyrianpurple,anditwasthepreferred 19 ofemperors.
In16th-centuryEngland,purplewas 20 fortheking'sfamilymembers.QueenElizabethI'sclotheswerepurple,butordinarypeoplewerenotallowedto 21 thecolor.
In1856,WilliamPerkin,an18-year-old 22 student,noticedsomethingstrangewhiledoinganexperiment(实验).Thechemicals(化学药品)heusedtocleanhisinstruments 23 withthechemicalsheusedinhisexperimentandproducedabrightpurplecolor.This 24 ledPerkintostartacompanyusingthischemicalmixturetomakepurpledye.Thedyewasmuch 25 thanseasnaildye.ThankstoPerkin,nowanyonecanaffordtowearpurpleclothes.
