英语寒假作业讲解课2月16日第十三天

1、1. One of the biggest ar to getting more electric cars on road is “range anxiety, the worry people have of their car battery dying before get to achargingion.Anewstudyshould1. One of the biggest ar to getting more electric cars on road is “range anxiety, the worry people have of their car battery dy

2、ing before get to achargingion.Anewstudyshouldhelpbrushthosefears（看到those说明fear不是第一次出现，去哪？） 2. Most American drivers do not the t todays electric attery charge in one day, the study found. （排除A）In fact, can go on a percent of（排除B） the vehicles on the road could be replaced by low cost EVs the market

3、 today even if they were only charged overnight, say the MIT whoconducted thestudy published inNatureEnergy. If this（this, -scale swap wereto happen, it would lead to roughly 30 percent less carbon seven if the electricity were coming from carbon-物）.(都没有提到cut 3. The yzed daily vehicle travel pattern

4、s across the U. S. bringing together two large datasets. One, the National Household Travel Survey, gave them information on millions of trips made by all kinds of cars. The included detailed GPS-based data（B） collected by e t second-by-second velocity (speed-A) of each kind of trip. The researchers

5、 also factored in ambient temperature and inefficient driving behavior to calculate the energy consumption of each trip: extensive heating or cooling (D)and driving suchashard acceleration nergy and canreduce driving4. Taking the 2013 Nissan Leaf as an le of an affordable EV on the the researchers t

6、 it could meet the driving needs of 87 percent of vehicles a single t number could go up to 98 percent as batteries meet new ssetbytheAdvancedResearchProjectsAgency-5. What about the remaining 13 percent of trips? The researchers telectric ears might not cut it for longer trips, such as vacation tra

7、vel. For those they t people in a two-car household could use their vehicle, ortheycouldrely onear-sharing orrenting .6. The d overed the countrys 12 major metro cities, from dense urban areas such as New York to sprawling cities like Houston. Surprisingly, the adoption potential of electric vehicle

8、s was pretty similar across these diverse cities: it varied from 84% -93%. “This goes against the t electric vehicles-at affordable ones, which have limited range-only really work in dense urban centers, said the studys lead author Jessika E. Trancik in a press release.7. Trancik and her colleagues

9、t addressing range anxiety might not enough to boost EV sales. Satisfying for vehicle and aesthetics will also be7. Trancik and her colleagues t addressing range anxiety might not enough to boost EV sales. Satisfying for vehicle and aesthetics will also be important, as will financing options to off

10、set the price, they he 1.sthe newstudy AAmericandriversve“rangeAmerican driversdohave“range anxietyAmerican drivers of electric cars worry about their batteries. DAmericandriversofelectriccarsneedntworryabouttheirbatteries.根据第一 ectriccarstoday? 2.What doweknow ATheycantravelforonedayonasinglecharge.

11、 BThey can replace 13 percent of gas vehicles.CTheysurpassatypicalAmericansdaily drivingDThey helpto cutthe of gas3.Theunderlinedword“swap (Para.2) iseaning Aexchange终止exchangerate(率) erest（利益） rateterminator 终结者） terminalTransformers 词义题（1（sound, weather(vschool(n), company(nair）(2) 超纲词-结合上下文，同义词或反义词（判断前后句的逻辑关系4.词义题（1（sound, weather(vschool(n), company(nair）(2) 超纲词-结合上下文，同义词或反义词（判断前后句的逻辑关系4. According to the passage, which of the following has not been considered researchers? ADrivingspeed. lite CFuelquality.DAir5.What informationdoTrancik andhercolleagues offerontheuse andmarketing of