B4U2复习材料(学生版).docx.pdf
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1、Unit 2 SMART CARS Part Division of the Text Parts Para(s) Main Ideas 1 1-3 New tech no logy will have a dramatic impact on cars and highways in the 21st century. 2 49 With the aid of adva need tech no logy, smart cars will be so desig ned that they can help eliminate traffic accidents, determine the
2、ir own precise locations and warn of traffic jams? 3 10-13 GPS and “telematics“ will make it possible to build smart highways, which will benefit us in more than one way. II Detailed Reading 1. Difficult Sentences 1. (L4, Para2) Sales of the automobile industry stand at about a trillion dollars, mak
3、ing it the worlds biggest manufacturing industry. How do you understand the word stand? (=Stand is used to show a particular level or amount.) 译文:汽车工业的销售额达一万亿美元左右,从而成为世界上最大的制造业。 2. (L3, Para. 5) Should you make a serious driving mistake (e.g., change lanes when there is a car in your ublind spot ”)t
4、he computer would sound an immediate warning. Analyze the structure of this sentence:虚拟式的倒装形式(If you should make a ) 译文:如果 你发生重大行车失误 ( 如变道时有车辆在你“盲点”内) ,计算机会立即发出警报。 3. (L6, Para 6) To eliminate this, a tiny camera hidden in the dashboard can be trained on a drivers face and eyes? How do you un dersta
5、 nd the word in this sente nee? (=Here train means to focus on or aim at.) 译文:为消除 ( 这一隐患 ) ,藏在仪表盘的一架微型相机可对准开车者的脸部和眼睛。 4. (L4, Para 7) Sensors in your car tuned to radio signals from orbiting satellites can locate your car precisely at any moment and warn of traffic jams. Analyze this sentence. (=The
6、re are sensors in the car and they are tuned to radio signals which come from orbiting satellites. The sensors can locate the car and warn of traffic jams.) 译文:你汽车上与绕轨道运行的卫星发出的无线电信号调谐的传感器能随时精确地确定你汽车的方 位,并告知交通拥堵情况。 5. (L2, Para 9) Some of them locate a cars position by correlating the rotations in th
7、e steering wheel to its position on a map? Explain how the navigational facilities help locate the cars position. (=They locate the cars position by establishing the relation between the rotations in the wheel and the cars position on a map.) 译文:有些导航装置通过方向盘的转动与汽车在地图上的位置并置来测定汽车的方位。 6?(L1,Para 12) On
8、an eight-mile stretch of In terstate 15 te n miles n orth of San Diego, . How much do you know about the Interstate in the U.S.? (=Interstate is one of a system of highways extending between and connecting the major cities of the United States.) 译文:在圣迭戈以北10 英里的 15 号州际公路一段 8 英里长的路面上 III. Words and Ex
9、pressions 1? lucrative: adj. producing much money; profitable (=This is a lucrative business.) 我们和一家美国公司做大米进口的生意,赚了些钱。 (=We made a lucrative business with the American company on rice imports.) 2. manufacture: vt. 1) make goods on a large scale using machinery *This firm manufactures cars. 在工厂制造产品 (
10、=to manufacture goods in a factory) 2) invent; make up *Youll have to manufacture some kind of excuse? 她编了一段谎话来掩盖事实。 (=She manufactured a false story to hide the facts.) 3. approximately: adv. more or less exactly (=The car accident happened at approximately 7:45 a.m.) approximate: adj. fairly corre
11、ct or accurate but not completely so *The approximate number of dem on strators in front of the municipal office buildi ng was 900. 大概的吋间是三点钟。 (=The approximate time is three oclock.) 4. eliminate: vt. remove, esp. sb./sth. that is not wanted or needed; get rid of *The police have eliminated all the
12、 other suspects? 她已被取消了参加游泳比赛。 (=She has been eliminated from the swimming race.) Pattern: eliminate sth. from sth. *Can we ever eliminate hunger from the world one day? 5. in the air: in the earths atmosphere; uncertain, not yet decided *There is a strange smell in the air. (=Hundreds of birds sudd
13、enly rose in the air.) 我们的计划尚未确定。 (=Our plans are still in the air.) 6? start up: begin or begin working, running, happening, etc? *Put the key in the ignition and tum it to start the car up. 玛丽发动引擎,向她的家乡驶去。 (=Mary started up the engine and drove for her hometown.) 7. alert: 1 ? vt. warn sb. that th
14、ere may be danger, trouble, etc. Pattern: alert sb. to sth. *The doctor alerted me to the dangers of smoking. 警察警告我有危险。 (=The policeman alerted me to the danger.) 2?adj. attentive; watchful Pattern: be alert to danger *The squirrels are quite alert to dangers? 8. prototype: n. the first model or des
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