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Before we left, Li Yanping explained to me that the force of gravity would change three times on ou...
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高一上学期英语《》真题及答案
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Wecleanedthelab_______weleftschoolyesterday.
as
when
after
before
A.Ifsimpossible. B.Isuggestwegotothes
Weveryearlysowepackedthenightbefore.
leave
had left
were leaving
have left
A.Ifsimpossible. B.Isuggestwegotothes
A.Ifsimpossible. B.Isuggestwegotothes
A.We’llshowyouourphotoswhenweareback.
LastmonthImadeatripintospacewithmyfriendLiYanping.
__________fiveminutes_________beforethelasttrainle
There were; to go
With; to go
I was; left
It had; left
A.We’llshowyouourphotoswhenweareback.
fiveminutesbeforethelastbusleftwearrivedatthestati
There were; to go
With; to go
It was; left
It had; left
A.We’llshowyouourphotoswhenweareback.
A.We’llshowyouourphotoswhenweareback.
A.Ifsimpossible. B.Isuggestwegotothes
_____byablackholeLiYanpingwassofrightenedatfirstbu
Caught
Catching
To catch
Catch
LastmonthIwasluckyenoughtohaveachancetomakeatripin
the; an
the; the
/ ; the
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A.We’llshowyouourphotoswhenweareback.
Doyougetnervousandnotknowwhattodothedaybeforeanexa
Thisisthereason_________wemadeMrLiheadmasterofours
where
when
before
why
InhisgreatVictoriannovelATaleofTwoCitesCharlesDick
A.Ifsimpossible. B.Isuggestwegotothes
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Look!Thestudentseatatthebackoftheclassroomisabsorbinanovelwhiletheteacherisgivingalesson.
Themanseatinginthechairaskedmetosit. .
Theconfuseexpressiononhisfacesuggestedthathewasnotabletoworkouttheconfuseproblem.
Weshouldn'tcomplainaboutbeingpoor﹣manyfamiliesaremuchworse.
TheSmithsdon'tusuallylikestayingathotelsbutlastsummertheyspentafewdaysataverynicehotelbysea. A./a B.thethe C./the D.thea
cutoff/cutdown/cutin 1Thedoctortoldhimtocutonhisdrinking. 2Thenaughtyboykeptcuttingonourconversation. 3OperatorIhavejustbeencutwhileIwasonthelinetoParis. 4Hewasinhospitalforsixmonths.Hefeltasifhewascutfromtheoutsideworld.
Theislandjointothemainlandbyabridgeiseasytogoto.
Thebridgebuildlastmonthneedsrepairing..
Acompetitionwasheldtopickthebesttabletennisplayers.
Mostofthepeopleinvitingtothepartywereexperts. .
Tominthelibraryeverynightoverthelastthreemonths. A.works B.worked C.hasbeenworking D.hadbeenworking
Thelectureat700pmlastnightwasfollowedbyanobservationofthemoonwithtelescopes. A.starting B.beingstarted C.tostart D.tobestarted
TomsoundsinthejobverymuchbutI'mnotsurewhetherhecanmanageit. A.interested B.interesting C.interestingly D.interestedly
Whowrotethebookexplainhowtocutthedeathrateformhavingandcaringforbabies?
Studentsmaynoticethattherearemoremonitoring监视的cameras1setupbyschoolsoncampus.Withstairshallwaysgatesclassroomsdormitories2equipwithmoreandmorecamerasitseemsthattheyarealmosteverywhere. Moststudentshave3mixopinionsaboutthechange.Ontheonehandtheythinkthey'resaferoncampus.Justthinktherearesomanycameras4workdayandnightandwhowoulddaretobreakintoschools?Allimages5recordaresenttotheoperationroom.Ontheotherhandstudentsthinkthecamerasarespyingonthemaswell.Theythinktheyaren'tfree6sayordowhattheywant.Thecamerasremindthemtheyhavetobehavethemselveswhichmakesthemunhappy.Theywanttheirfreedomandprivacy.Butatleastoursecurityisguaranteed.Alsowedon'thavetoworryaboutourpersonalproperty.7issaidfreedomisnotsomething8givetoyoubutsomethingyouhavetofight9.Givingsomeofmyfreedominexchangeforsafetyis10fairtrade.IfthecamerasarewatchingwhatIamdoingletthemwatch!AlthoughtheycanmonitorwhatIdotheycannevergetintomymindandknowwhatIamthinking.
Manyoftheproblemsremainunsettling. .
Theplayersfromthewholecountryareexpectedtobringushonorinthissummergame. A.selecting B.toselect C.selected D.havingselected
ItwassuchatirejobthatIreallyfelttire.
如图所示在直角三角形ABC内充满垂直纸面向外的匀强磁场图中未画出AB边长度为d∠B＝．现垂直AB边射入一质量均为m电荷量均为q速度大小均为v的带正电粒子已知垂直AC边射出的粒子在磁场中运动的时间为t0而运动时间最长的粒子在磁场中的运动时间为t0不计重力．则下列判断中正确的是
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如图所示在第一象限内存在匀强电场电场方向与x轴成45°角斜向左下在第四象限内有一匀强磁场区域该区域是由一个半径为R的半圆和一个长为2R宽为的矩形组成磁场的方向垂直纸面向里．一质量为m电荷量为+q的粒子重力忽略不计以速度ν从Q03R点垂直电场方向射入电场恰在PR0点进入磁场区域． 1求电场强度大小及粒子经过P点时的速度大小和方向 2为使粒子从AC边界射出磁场磁感应强度应满足什么条件 3为使粒子射出磁场区域后不会进入电场区域磁场的磁感应强度应不大于多少
太阳能电池帆板可以给卫星宇宙飞船提供能量．如图甲太阳能电池在有光照时可以将光能转化为电能在没有光照时可以视为一个电动势为零的电学器件． 探究一实验小组用测绘小灯泡伏安特性曲线的实验方法用图乙电路探究太阳能电池被不透光黑纸包住时的I﹣U特性曲线． 1图乙中虚线处填“需要”“不需要”连接导线滑动变阻器如图丙所示开关闭合前滑片应移至填“A““B”端． 2通过实验在图上作出被黑纸包住的太阳能电池的I﹣U特性曲线如图戌将其与一个电动势为3V内阻忽略不计的电源和阻值为5kQ的定值电阻串联在一起它消耗的电功率约为W结果保留两位有效数字． 探究二在稳定光照环境中取下太阳能电池外黑纸并按图丁电路“测量金属丝的电阻率” 3该小组用螺旋测微器测量金属丝直径时读数如图戊所示其直径为mm． 4实验中测得电压表示数为U电流表示数I金属丝直径为D长度为L则金属丝电阻率为用上述测量量表示． 5考虑电压表与电流表内阻对测量结果的影响金属丝电阻的测量值填“大于”“等于”“小于”真实值．
如图所示为一种儿童玩具在以O点为圆心的四分之一竖直圆弧轨道上有一个光滑的小球不能视为质点O'为小球的圆心．挡板OM沿着圆弧轨道的半径以O点为转轴从竖直位置开始推着小球缓慢的顺时针转动水平向里看到小球触到水平线的过程中
theprogrammehassavedthousandsofchildrenwhowouldotherwisehavedied.
MarcoPoloissaidtohavesailedonPacificOceanonhiswaytoJavainthirteenthcentury. A.thea B.a/ C./the D.thethe
如图所示矩形的四个顶点abcd为匀强电场中的四个点ab＝2bc＝1m电场线与矩形所在的平面平行．已知a点电势为16Vb点电势为8Vc点电势为4V．一带电粒子从以点以速度v0＝1000m/s射入电场v0与ab边的夹角为45°一段时间后粒子经过ab边的中点e．不计粒子的重力下列判断正确的是
ThenewsthatLiHuawasadmittedintoPekingUniversityspreadquicklytthesmallvillage.
Pleasegetthebreakclockrepairedassoonaspossible.
Everybodythoughtthisyoungactorwouldhaveabrightfutureafterhestarredtwofilms.
一物体做匀加速直线运动从某位置开始通过传感器收集位移和速度等数据信息然后输入计算机自动生成了物体运动的x﹣v图象如图所示．以下说法正确的是
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