考点09化学反应中的能量变化、化学反应速率与平衡1．（2020··衡阳市一中高三月考）金属插入CH4的C—H键形成高氧化态过渡金属化合物的反应...
考点11水溶液中的离子平衡1．（2020·江苏南京市·高三月考）室温下，NH3·H2O的Kb=1.8×10-5，H2SO3的Ka1=1.3×10-2，Ka2=6.2×10-8。氨水...
单项选择（A）选择最佳答案填空。()1.--________Jennyhaveabaseball?--No,she________.A．Is；isn'tB．Does；doesn'tC．Does；isn't()2.--D...
单项选择1．—________togofishingwithme?—Thanks.Thatwouldbeverynice.A．HowaboutB．Whydon’tyouC．Wouldyoulike2．—It’s8:30now,but...
单项选择1．Frank________hislunchatschool.A．eatsB．soundsC．wantsD．lets2．MysisterMilliecanplayvolleyball________.A．goodB．wellC...
单项选择1．Jackisfiveyearsold.Todayishis________birthday.A．fiveB．fifthC．fivethD．fifteen2．________doyouneed?A．HowmanybreadB．...
单项选择1．—Jane,________yourbrotherlikeoranges?—No,heonlylikesapples.A．isB．areC．doD．does2．________lunchIhavecarrotsandsala...
单项选择1．—Let’smeetonSunday.________?—Yes,I’mfreeonthatday.A．How’syourdayB．IsthatOKwithyouC．HowareyouD．Howdoyoudo2．Fra...
看图片，仿写句子例：computer,on,deskThereisacomputeronthedesk.1．chair,infrontof,desk____________________2．pear,between,twoapples...
看图片写短语1．________2．________3．________4．________5．________6．________7．________8．________用单词正确形式填空9．Icanhelp_...
仿写句子例：someapples,onthetreeTherearesomeapplesonthetree.1．manymountains,neartheforest________________________________________...
按要求写单词。1．go(第三人称单数形式)_____________2．work(职业名词)_____________3．science(职业名词)_____________4．study(第三人称...
仿照例子写单词。例：talk—talks—talking1.go________________2.dance________________3.play________________4.read________________5.s...
单项选择1．—________willMrs.Wangcomeback?—Intwohours.A．HowlongB．HowsoonC．HowoftenD．Howfar2．It________meelevenhourstoflyfrom...
按要求写单词。1．worry(形容词)___________2．mice(单数)____________3．do(三单形式)_____________4．wear(同音词)____________5．sad(反...
单项选择1．Mike,________speakloudly.Yourfatherissleeping.A．don’tB．can’tC．notD．doesn’t2．Next,________theturkeywiththisbread...
专题01高频考点精选选择60道（35个考点）实战训练一．一元二次方程的解1．若关于x的一元二次方程ax2+bx+5＝0的一个根是x＝﹣1，则2015﹣a+b...
