2016届辽宁省葫芦岛市高三上学期期末调研考试 英语 扫描版

嘉兴市2015～2016学年第一学期期末检测高三英语卷(2016. 1)参考答案及评分标准1-5 BCABD 6-10 BCDAB 11-15 ACADC 16-20 DBCAB21-25 CBDAC 26-30 BDACB 31-35 DACAD 36-40 CBADB41-45 BACCD 46-49 DAAB 50-54 ADBBC 55-60 BDCCDA61-65 AFEDC短文改错：In my opinion, the far distance in the world is that your eyes turn to your smartphone farthest/furthestwhen I stand in the front of you. The phenomenon which people are crazy aboutthatsmartphones are becoming more common. Some people only stare at their phones, ignored is ignoring the people around them even when they get together∧their families. Worse still, they willwithnot miss the chance of checking the Wechat when we cross the road, which is likely to causetheyseriously accidents. It was high time that we threw away our phones and raised our heads serious isup. We should spend more time on different real-life activity.activities书面表达：One possible version:Class meetings of different themes and forms always function as guidance on our life and study. What strikes me most is a class meeting themed “Everybody shines”. Our head teacher proposed that we write down the strengths of our deskmates from our perspectives. Then we were required to exchange ideas with the whole class. Having listened to each presentation attentively, I suddenly realized that everybody had his own shining qualities, which might sometimes be shadowed by his shortcomings.This class meeting has a great influence on my evaluation of others. We are accustomed to pointing out ot hers’ weaknesses, overwhelmed by a feeling of superiority. However, it’s more important to acknowledge and learn from others’ strengths with a modest attitude. (119 words)【书面表达评分标准】一、评分原则:1. 本题总分为30分，按5个档次给分。

………………………………………………装…………订…………线………………………………………………葫芦岛市普通高中2019～2020学年第一学期学业质量监测考试高三英语注意事项：1．试卷满分150分，考试时间120分钟。

2．本考试分设试卷和答题纸。

试卷包括Ⅰ卷和Ⅱ卷两部分。

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第Ⅰ卷第一部分听力（共两节，满分30分）第一节（共5小题；每小题1.5分，满分7.5分）听下面5段对话，每段对话后有一个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。

听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下一小题。

每段对话仅读一遍。

1.What did the woman lose?A. Her car.B. Her purse.C. Her keys.2.What caused the crash?A. The truck going too fast.B. The boy crossing the street.C. The driver driving carelessly.3.What is the rent if the man wants a single room with a hot bath?A. $15.B. $35.C. $50.4.Which word can best describe the man?A. Poor.B. Greedy.C. Forgetful.5.Why was the woman late according to herself?A. She forgot the time change.B. Her roommate told her the wrong time.C.Her roommate forgot to tell her the time change.第二节（共15小题；每小题1.5分，满分22.5分）听下面5段对话或独白，每段对话或独白后有几个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。

2022-2023高三上英语期末模拟试卷注意事项：1．答卷前，考生务必将自己的姓名、准考证号、考场号和座位号填写在试题卷和答题卡上。

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第一部分（共20小题，每小题1.5分，满分30分）1．Hard work and lack of sleep have _____ her beauty and youth in recent years. A．worn out B．tried outC．made out D．sent out2．The new playground to be built next year will be ____________ the old one.A．as three times big as B．three times as big asC．as big as three times D．as big three times as3．Why does she always drive to work ____ she could easily take the train?A．unless B．untilC．before D．when4．— Which classical Chinese poem do you like best?—Don’t laugh if we lay drunken on the battleground; how many soldiers ever came back______.A．old and young B．up and down C．safe and sound D．right and wrong 5．The inner thoughts of the two young persons are revealed in the book, ______ both of them fail to express.A．where B．whenC．who D．which6．________she is not so healthy _______she used to be?A．Why is it that; what B．Why it is that; thatC．Why is it that; as D．Why it is that; who7．Whitney Housto n’s sudden death suggests that drug abuse is such a serious problem ________ we should deal with it appropriately.A．as B．that C．which D．where8．Come here, Mary. If you stand at this angle, you ______ just see the sunset. A．must B．needC．can D．should9．My neighbour came to ask me why there was so much noise in my house yesterday afternoon. I told her that some children an English song.A．praticed B．would practice C．have practiced D．were practicing10．Thanks to Chinese people’s hard work and wisdom, China has _____ into the second largest economy.A．evolved B．slipped C．extended D．shaped11．Internet shopping is really ________ when people are sure of its safety and security. A．taking off B．taking upC．setting off D．setting up12．---Mom, I have passed the admission examinations!--- ______!A．Good for you B．Good luck C．Cheer up D．Go ahead 13．________ blood if you can and many lives will be saved.A．Giving B．GivenC．To give D．Give14．Even though the way Lin Daiyu expresses her feelings may be ________ to a modern audience, it is rooted in her character and makes who she is.A．allergic B．foreignC．sensitive D．fundamental15．She is stubborn in resisting his enquiries about the Moonstone _____ the degree that she makes it seem as if she does not want the mystery ______.A．on; to solve B．with; solvingC．for; being solved D．to; to be solved16．The monitor said that the learning method he used improved his maths. A．greatly B．nearly C．normally D．seriously17．—I am afraid this pair of shoes is a little expensive．—If you really want to buy them, I will give you a ____ of 10 percent．A．quantity B．amount C．discount D．account18．－I _______ in the same position too long. My legs have fallen asleep.－Shake it a little before you get up.A．will sit B．have satC．am sitting D．have been stting19．— Anything to drink? What about coffee?—Er… I think I’ll have a cold drink coffee.A．other than B．more than C．less than D．rather than20．The government has been under growing pressure to ______ the causes of air pollution as smog frequently smothers the country’s large cities.A．release B．scheduleC．maintain D．address第二部分阅读理解（满分40分）阅读下列短文，从每题所给的A、B、C、D四个选项中，选出最佳选项。

2016年葫芦岛市普通高中高三调研考试数学试题(理科) 参考答案及评分标准一.选择题:每小题5分,总计60分 题号1 2 3 4 5 6 7 8 9 10 11 1 2 答案BBDCCBABACDB二.填空题:每小题5分,总计20分.13. x 2=-12y 14.8128,(1+2+22+23+24)·(1+31) 15. [12,54]16. 1805三.解答题:17.(本小题满分12分)解：（1）由a 32=9a 2a 6得：a 32=9a 42 q 2=19 ∵q>0 ∴q=13 又2a 1+3a 2=1 ∴a 1=13 …………3分∴a n =(13)n…………………………………………………………………………6分(2) 由b n +1=2log 31a n 得：b n =2n-1 令c n = a n b n =(2n-1)·(13)n……………………………8分∴S n =1×13+3×(13)2+5×(13)3+…+(2n-3)×(13)n-1+(2n-1)×(13)n…………………①13S n =1×(13)2+3×(13)3+5×(13)4+…+(2n-3)×(13)n +(2n-1)×(13)n+1………………② ①-②得：23S n =1×13+2[(13)2+ (13)3+…+ (13)n-1+13)n ]－(2n-1)×(13)n+1＝13+2×(13)2[1-(13)n-1]1-13－(2n-1)×(13)n+1 ∴S n =1-n+13n …………………………………………12分18．（本小题满分12分）（1）证明：因为∠ABC=90°，所以AB ⊥BC ．因为平面PBC ⊥平面ABCD ，平面PBC ∩平面ABCD=BC ，AB ⊂平面ABCD ，所以AB ⊥平面PBC ；……………………………3分（2）解：取BC 的中点O ，连接PO ．因为PB=PC ，所以PO ⊥BC ．因为平面PBC ⊥平面ABCD ，平面PBC ∩平面ABCD=BC ，PO ⊂平面PBC ， 所以PO ⊥平面ABCD ．…（4分）如图，以O 为原点，OB 所在的直线为x 轴，在平面ABCD 内过O 垂直于BC 的直线为y 轴，OP 所在的直线为z 轴建立空间直角坐标系O-xyz ．不妨设BC=2．由直角梯形ABCD 中AB=PB=PC=BC=2CD 可得P （0，0，），D （-1，1，0），A （1，2，0）．A D PB C x y zO所以DP →=(1,-1,3), DA→=(2,1,0),设平面PAD 的法向量． 因为m →⊥DP →，m →⊥DA →，所以 ⎩⎨⎧x-y+3z=02x+y=0令x=1，则y=-2，z=-3． 所以m →=(1,-2,- 3)．…（7分）取平面BCP 的一个法向量n →=(0,1,0)，所以cos<m →,n →>=m →·n →|m →|·|n →|=-22所以平面ADP 和平面BCP 所成的二面角（小于90°）的大小为4．…（8分）（3）解：在棱PB 上存在点M 使得CM ∥平面PAD ，此时PM PB =12．理由如下：…（10分）取AB 的中点N ，连接CM ，CN ，MN ，则MN ∥PA ，AN=12AB ．因为AB=2CD ，所以AN=CD ．因为AB ∥CD ，所以四边形ANCD 是平行四边形． 所以CN ∥AD ．因为MN ∩CN=N ，PA ∩AD=A ，所以平面MNC ∥平面PAD （13分）因为CM ⊂平面MNC ，所以CM ∥平面PAD ．…（12分）19．（本小题满分12分）(1)x A-<x B - ………………………………………………………………3分 （2）由茎叶图可知，“种子选手”共有13名，其中A 班3人，B 班10人，非种子选手27人，其中A 班17人，B 班10人，从而22⨯列联表如下：将22⨯列联表中的数据代入公式计算，得 ……………………6分K 2=n(ad-bc)2(a+b)(c+d)(a+c)(b+d)=40×(3×10-17×10) 220×20×27×13 =13×14213×27=1960351≈5.584 因为5.584>5.024，所以能够“在犯错误的概率不超过0.025的前提下”认为成为‘种子选手’与班级有关？………………8分(3)由（2）知：种子选手共13人，其中获市一等奖的人数为6人，由题意，X 满足参数为13，6，3的超几何分布所以X 的所有可能取值为0，1，2，3，P （X=i)= C i 6C 3-i7C 413(i=0,1,2,3)ADPBCM NA 班B 班 总计 种子选手 3 10 13非种子选手 1710 27 总计202040∴P （X=0)= C 06C 37C 313 =35286,P （X=1)=C 16C 27C 313 =126286=63143,P （X=2)=C 26C 17C 313 =105286, P （X=3)= C 36C 07C 313 =20286=10143…………………………………10分∴X 的分布列为： X 0 1 2 3 P错误!错误!错误!错误!∴EX=0×35286+1×63143+2×105286+3×10143=1813……………………12分(或由超几何分布的期望计算公式EX=n ×M N =3×613=1813)20.(本小题满分12分)解：（1）∵e=12 ∴a 2=4c 2=4a 2-4b 2 ∴3a 2=4b 2 又由题意知：b= 3 ∴a 2=4∴椭圆C 1的方程为：x 24+y23=1……………3分(2)(i)设P(m,n),则由OQ →=λOP →得：Q （λm, λn ） ∵Q 在椭圆C 2上, ∴ λ2m 24+λ2n 23=4 λ2(m 24+n 23)=4 ∵P 在椭圆C 1上 ∴m 24+n 23=1 ∴λ2=4 又∵λ<0 ∴λ=-2……………5分设切线l 的方程为：y=kx+t联立方程组：⎩⎪⎨⎪⎧x 24+y 23=1y=kx+t联立并消元整理得：(4k 2+3)x 2+8ktx+4t 2-12=0=48(4k 2+3-t 2)=0 ∴4k 2+3=t 2………②联立方程组：⎩⎪⎨⎪⎧x 216+y 212=1y=kx+t消元整理得：(16k 2+12)x 2+32ktx+16t 2-16×12=0…………①设M(x 1,y 1),N(x 2,y 2),则x 1,x 2是方程①的两个解，由韦达定理得： x 1+x 2=-32kt 16k 2+12, x 1x 2=16t 2-16×1216k 2+12 |MN|=1+k 2·(x 1+x 2)2-4x 1x 2=1+k 2·163·16k 2+12-t216k 2+12=1+k 2·163·12k 2+916k 2+12=1+k 2·124k 2+3=12·1+k24k 2+3=6·4+4k24k 2+3=6·1+14k 2+3∈(6,43] ……………9分 设O 到直线MN 的距离为d 1, Q 到直线MN 的距离为d 2,则由（i ）知：d 2=3d 1d 2=3d 1=3t1+k2∴SQMN=12·|MN|·d 2=12·1+k 2·124k 2+3·3t 1+k2=18 即△QMN 的面积为定值，这个定值为18……………12分21. (本小题满分12分)解：(1)f (x)=a ·e ax(ax-2)+a ·e ax= a ·e ax(ax-1) ，令f (x)=0，解得x=1a ;当x 变化时，f (x),f(x)的变化情况如下表：x (-∞,2)2(2,+∞)f(x)-+f (x)↘极大值1e 2↗∴f(x)在(-∞, 1a )内是减函数，在(1a,+∞)内是增函数.∴当x=1a 时，f(x)取得极小值f(1a )= -e. ……………………………3分⑵证明：令F(x)=f(x)-g(x)= e ax(ax-2)+ e 2-ax·ax∴F(x)= f(x)-g(x)= f(x)+ f(2a-x)= a ·e ax (ax-1)+ a ·e 2-ax(1-ax) = a ·(ax-1)(e ax-e 2-ax) = a ·e ax·(ax-1)(1 -e 2-2ax)∵x>1a ∴ax>1 ∴ax-1>0 2-2ax=-2(ax-1)<0 ∴e 2-2ax <1 1 -e 2-2ax>0∴F(x)>0 ∴F(x)在(1a,+∞) 内是增函数∴F(x)> F(1a )=f(1a )-g(1a )=f(1a )-f(2a -1a)=0∴F(x)>0 即f(x)>g(x)……………………………7分⑶证明：(i)由(1)知，f(x)在(-∞, 1a )内是减函数，在(1a ,+∞)内是增函数.∴当x=1a 时，f(x)取得极小值f(1a )= -e考虑到当x →-∞时，e ax→0， ax-2→0,且e ax>0, ax-2 <0， ∴f(x)→0且f(x)<0当x →+∞时，显然f(x)→∞∴f(x)草图如右，由草图可知：t (-e,0) ……………9分 (ii)设A （x 1,f(x 1)），B （x 2,f(x 2)）,如图，不妨设:x 1<1a < x 2 ∵x 2>1a ∴由（2）知：f(x 2)>g(x 2)=f(2a -x 2) 即：f(x 2)> f(2a -x 2) ∵f(x 1)＝f(x 2) ∴f(x 1)> f(2a -x 2)1a-ex yo L:x=t∵x 1<1a < x 2 ∴x 1(-∞, 1a ), 2a -x 2(-∞, 1a ), 由(1)知：f(x)在(-∞, 1a )内是减函数∴x 1 <2a -x 2 ∴x 1+x 2<2a 即x 0<1a f (x)<0在x (-∞, 1a )时恒成立，∴f (x 0)<0…………………………12分22．（本小题满分10分）选修4-1：几何证明选讲 由切割线定理知DF 2=DB ·DA,因此只需证明DF=DE ．因为∠OFC+∠CFD=90°，∠OCE+∠CEO=90°, ∠OCF=∠OFC ．所以∠CFD=∠CEO=∠DEF ，所以DF=DE ．试题解析：证明：连结OF ．因为DF 切⊙O 于F ，所以∠OFD=90°．所以∠OFC+∠CFD=90°．因为OC=OF ，所以∠OCF=∠OFC ．因为CO ⊥AB 于O ，所以∠OCF+∠CEO=90°．所以∠CFD=∠CEO=∠DEF ，所以DF=DE ． 因为DF 是⊙O 的切线,所以DF 2=DB ·DA ．所以DE 2=DB ·DA ．23.（本小题满分10分）选修4-4：坐标系与参数方程解法一（1）曲线C 的极坐标方程是ρ=4cos θ，∴ρ2=4ρcos θ，∴x 2+y 2=4x ，∴曲线C 的极坐标方程化为普通方程是x 2+y 2-4x=0.直线l 的参数方程相减得x-y=m ，即x-y-m=0，∴直线l 的参数方程化为普通方程是x-y-m=0. ……5分（2）由（1）知：圆心的坐标为（2，0），圆的半径R=2，圆心到直线l 的距离d=22-(142)2 =22∴|2-0-m|2=22 ∴ |m-2|=1， 解得m=1或m=3. ……10分解法二 （1）同解法一 ……5分（2）由（1）知：曲线C 的普通方程是x 2+y 2-4x=0, 设A(22t 1+m, 22t 1),B(22t 2+m, 22t 2) 将直线l 的参数方程代入曲线C 的普通方程x 2+y 2-4x=0, 得(22t+m)2+(22t)2-4(22t+m)=0， 整理得t 2+2(m-2)t+m 2-4m=0，则t 1,t 2是关于t 的一元二次方程t 2+2(m-2)t+m 2-4m=0的两个不相等的根，m 的取值需满足△=[2(m-2)]2-4(m 2-4m)=-2m 2+8m+8>0，∴t 1+t 2=-2(m-2), t 1t 2= m 2-4m ，∴|AB|=[(22t 1+m)-( 22t 2+m)]2+(22t 1-22t 2)2 =(t 1-t 2)2=2(m-2)2-4(m 2-4m) =-2m 2+8m+8∴-2m 2+8m+8 =14∴解得m=1或m=3. ……10分（24）解:：(Ⅰ)|x-1|+|x-4|≥5等价于1255x x <⎧⎨-+≥⎩ 或1435x ≤≤⎧⎨≥⎩ 或4255x x >⎧⎨-≥⎩，解得：x ≤0或x ≥5．故不等式f(x)≥5的解集为{x| x ≤0或x ≥5}． ……5分 (Ⅱ)因为: f(x)=|x-1|+|x-a|≥|(x-1)-(x-a)|=|a-1|（当x=1时等号成立） 所以：f(x)min =|a-1|…8分. 由题意得：|a-1|≥4， 解得a ≤-3或a ≥5．…10分。

江西省宜春市2016届高三英语上学期期末考试试题（扫描版）宜春市2015至2016年度第一学期期末考试高三英语答案一、听力1-5 CBCAB 6-10 CACBA 11-15 BABBC 16-20 CABCB二、阅读理解21-25 BBADC 26-30 AABAB 31-35 DDCBA 36-40 DAEGC三、完形填空41-45 CABBD 46-50 BCABC 51-55 CDBAD 56-60 DBACC四、语法填空61.ago 62. extinction 63. officially 64. a 65. has been transformed66.where 67. biggest 68. in 69. leaving 70. another五、改错I'm ∧Senior Three student. I often stay up lately doing my homework. Above my deska late Onscores of books pile in front of me. Unfinished papers and solved problems are always there,unsolvedseeming to have no ending. Time are never long enough for a student of Senior Three. How I dois What every day is to listen to the teacher's lectures, taking notes and do my homework,which ittakeseems to be endless. I hope our teachers will help us get more knowledges with fewer knowledgelectures, exercises and more homework. Only in this way will we have more spare time to enjoylessour lives.some unharmonious phenomena existing on our campus and I hope these problems can be solved.Some students often talk dirty in conversations. Besides, many students ignored the basic rule of walking right when they go upstairs or downstairs. What's more, some students even fail to say hello when meeting their teachers. All of these impolite behaviors have a bad effect on our mood and study, reflecting the fact that some students' awareness of good manners need to be improved.Confronted with these problems, we should take effective measures to help thosewho behave improperly. For example, instructive lectures should be held on the regular basis, set some good examples for them to follow or praise them in public even if they make small improvements.Thank you for your consideration.Yours faithfully, Li Hua听力部分录音稿宜春市2015至2016学年度第一学期期末考试高三英语听力部分现在开始。

2024学年辽宁省葫芦岛一中高三英语第一学期期末经典试题请考生注意：1．请用2B铅笔将选择题答案涂填在答题纸相应位置上，请用0．5毫米及以上黑色字迹的钢笔或签字笔将主观题的答案写在答题纸相应的答题区内。

写在试题卷、草稿纸上均无效。

2．答题前，认真阅读答题纸上的《注意事项》，按规定答题。

第一部分（共20小题，每小题1.5分，满分30分）1．---I cannot _____ what I have done to annoy Jessica.---No worries. She is kind of sensitive.A．turn out B．make out C．put out D．leave out2．This raw chocolate tastes pretty delicious due to ______ amount of melted pure fresh cream.A．equal B．generous C．insufficient D．tiny3．It really matters _______ he treated the latest failure, for the examination is around the corner.A．if B．thatC．why D．how4．Her doctor indicated that even adding a(n) _____ amount of daily exercise would dramatically improve her health.A．modest B．equalC．considerable D．exact5．---Where is my Chinese book? I remember I put it here yesterday.---You _________ it in the wrong place.A．must put B．should have putC．might have put D．might put6．While interacting with people in India, I was ________ to a way of life completely different from my own.A．reduced B．exposed C．committed D．transferred7．_______ progress it is, you can’t stop moving forward.A．Whatever great B．However greatC．No matter how great D．How great a8．We believe ________ you have been devoted to ________ naturally of great necessity. A．that; being B．all that; beC．that all; are D．what; is9．Helen said that she would bring me Justin Bieber's latest CD the next day, butshe .A．wouldn't B．didn'tC．hadn' t D．hasn't10．Don’t leave matches or cigarettes on the table within ______ of children. A．stretch B．expand C．reach D．extend11．—Did you watch the basketball match yesterday?—Yes，I did.You know，my brother ________ in the match.A．is playing B．was playingC．has played D．had played12．________ the concert to raise money for hunger relief and to make the public aware of the problem, Geldof invited many famous musicians to take part in it.A．Intended B．Intending C．Having intended D．To intend13．I am wondering how it ________ that you did so much work within such a short time.A．held up B．came aboutC．gave away D．called for14．—Guess what! I came across an old friend at the station last weekend.—I’m sure you talked with him happily.A．Sounds good! B．Very well.C．How nice! D．All right.15．—Daddy, would you please buy me an iPhoneX?—If you can pass this midterm examination, you __________ have one as a reward. A．must B．needC．would D．shall16．I thought it hard to complete the project at first, but I______my mind. A．change B．have changedC．had changed D．would change17．All children should get access to a high-quality education ________ their race, zip code or family income.A．depending on B．regardless ofC．due to D．apart from18．The customs officers were insisting that suitcases should be opened and their contents _______ for closer inspection.A．laid out B．given out C．sent out D．picked out19．You are subject to punishment if you fail to ________ to the customs when carrying the prohibited articles listed above.A．state B．declareC．announce D．communicate20．—I need to advertise for a roommate for next term.—________？Mary is interested.A．Why bother B．Why notC．So what D．What for第二部分阅读理解（满分40分）阅读下列短文，从每题所给的A、B、C、D四个选项中，选出最佳选项。

学必求其心得，业必贵于专精葫芦岛市八高中2015 –2016 学年度上学期三年级第二次考试试题（科目：英语命题人: ）答题时间：100分钟总分数：120 分第一部分：阅读理解（共两节，满分40分）第一节（共15小题;每小题2分，满分30分）阅读下列短文，从每题所给的四个选项(A、B、C、D）中，选出最佳选项，并在答题卡上将该项涂黑.AOur warming planet is expected to face serious water crisis(危机)in the coming decades — which means each nation’s natural resource will be more important than ever.学必求其心得，业必贵于专精1. According to the statistics, what is the world average of freshwater resource per person？A。

244,973 cubic kilometers B。

241 cubic kilometers C。

3，642 cubic kilometers D。

6，122cubickilometers2. Which country or region has the most freshwater resource per—year？A. GuyanaB. BrazilC. Iceland D。

China3. Which country or region appears twice on the top 5 lists?A。

Bhutan B。

Seychelles C。

Canada D.SurinameBThere was a man who worked all of his life and saved all of his money. He was a real miser (守财奴) when it came to his money. He loved money more than just about anything, and just before he died，he said to his wife，”Now listen，when I die，I want you to take all my money and place it in the casket(棺材）with me。

2016年葫芦岛市普通高中高三年级调研考试高三物理参考答案及评分标准一、选择题：每题全部选对得3分，选对但不全得2分，有错选得0分 题号 1 2 3 4 5 6 7答案 A C B C D D C题号 8 9 10 11 12 13 14答案 B D AB BCD AD AC CD二、实验题（14分）15（1）BC (2分，选对1个得1分，选对2个得2分，只要选错1个得0分)；（2）212x x T - (2分) 0.56 (2分)；16.（1）11.5 (2分)（2）BCD （2分。

选对1个或2个得1分，选对3个得2分，只要选错1个得0分） (3) R Ig E ⋅= (2分) XR R IgRI += (2分)三、计算题，解法不唯一17.（14分）(1)汽车通过ETC 通道时，匀减速运动位移a v v s E 221221-=……………… (2分)匀速运动m s E 102=匀加速运动位移a v v s E 222213-=……………… (2分)汽车通过ETC 通道通过的位移为321E E E E s s s s ++=解得m 210=E s ……………… (2分)（2）汽车通过ETC 从1v 减速到回复到1v 需要的时间22212v s a v v t E E +⨯-=解得s t E 22= ……………… (2分)汽车通过人工从1v 减速到回复到1v 需要的时间2021+⨯=a v t 人解得s t 50=人 ……………… (2分)汽车通过人工从1v 减速到回复到1v 通过的位移a v s 221=人解得m s 225=人 ……… (1分)在m s s E 15-=人这段位移中汽车以1v 匀速运动，用时1s. ……… (1分) 汽车通过E T C 通道比通过人工收费通道节约的时间1-+=∆E t t t 人解得s t 27=∆……………… (2分)说明：没有得出正确结论27秒和相差的匀速运动的那1秒,直接扣掉3分。