《大学英语》课程综合教程电子教案（PPT课件）大学英语_Book Four_综合_Unit 2_Exercise（Unit 2）

Unit 2 Smart CarsExercises

Unit 2 Smart Cars Exercises

Useful Expressionsthe computer revolution计算机革命manufacturing industry制造业long-distance driver长途司机被严重低估be grossly underestimated威胁生命的重大隐患life-threatening hazard解决问题cure the problem积极的影响a positive impact

Useful Expressions ⚫ 计算机革命 ⚫ 制造业 ⚫ 长途司机 ⚫ 被严重低估 ⚫ 威胁生命的重大隐患 ⚫ 解决问题 ⚫ 积极的影响 the computer revolution manufacturing industry long-distance driver be grossly underestimated life-threatening hazard cure the problem a positive impact

at any given time在任何一个特定时间the laws of the quantum theory量子理论precise frequency精确的频率发出无线电信号send out a radio signal换算出be converted into导航能力navigational capability

⚫ 在任何一个特定时间 ⚫ 量子理论 ⚫ 精确的频率 ⚫ 发出无线电信号 ⚫ 换算出 ⚫ 导航能力 at any given time the laws of the quantum theory precise frequency send out a radio signal be converted into navigational capability

virtually limitless·几乎无限手杖walking sticksremote control遥控potential use/ application潜在的应用call for要求take complete control of完全控制be bunched into groups被编成组travelin unison一齐行驶，对环保有利environmental boon

⚫ 几乎无限 ⚫ 手杖 ⚫ 遥控 ⚫ 潜在的应用 ⚫ 要求 ⚫ 完全控制 ⚫ 被编成组 ⚫ 一齐行驶 ⚫ 对环保有利 virtually limitless walking sticks remote control potential use/ application call for take complete control of be bunched into groups travel in unison environmental boon

在英裔美国人向西扩张前，中西部hrases已有许多定居点。rye tne form wherenecessarypn,我们相信引进自动化生产流水线会消除人the们现在的大部分错误。2)Wearecoent that the introduction of a(n)automatedassembly line will eliminate most oftoday's human errors

Vocabulary ⚫ 1. Fill in the gaps with words or phrases chosen from the box. Change the form where necessary. 1) Before Anglo-American westward _, there were already a number of settlements in the mid-West. 2) We are confident that the introduction of a(n) _ assembly line will eliminate most of today’s human errors. expansion automated 在英裔美国人向西扩张前, 中西部 已有许多定居点。 我们相信引进自动化生产流水线会消除人 们现在的大部分错误

当地红十字会分会被授权在紧急时刻3) Warm控制当地公共建筑cold air anu so亚文4) In most conamunities in the United States, thelocal American Red Cross chapter has beenauthorized totake controlofcertain local publicbuildings in times of emergency.5) Traffic control establishes a set of rules andinstructions that drivers, pilots, train engineers, andship captains rely on to avoid collisions and otherhazards

3) Warmer air is able to hold more water _ than cold air and so has a higher humidity (湿度). 4) In most communities in the United States, the local American Red Cross chapter has been authorized to _ certain local public buildings in times of emergency. 5) Traffic control establishes a set of rules and instructions that drivers, pilots, train engineers, and ship captains rely on to avoid collisions and other _. vapor take control of hazards 当地红十字会分会被授权在紧急时刻 控制当地公共建筑

6) In the past few decades since the launching of thefirst artificial satellite in 1957, thousands of man-made moons have been rocketed into the Earth'sorbit, each designed to serve a specific purpose ormission.7) The thunder crashed so near the house that theglass vibrated _ in the windows, and some books,which has sat on the windowsill fell to the floor

6) In the past few decades since the launching of the first artificial _ in 1957, thousands of “man￾made moons” have been rocketed into the Earth’s orbit, each designed to serve a specific purpose or mission. 7) The thunder crashed so near the house that the glass _ in the windows, and some books, which has sat on the windowsill fell to the floor. satellite vibrated

提供有关其他恒星以及太阳系中其他行星磁场的极有价值的信息，特别是木星valuableinion about other stars and aboutthemagneticYields of other planets in our solarsystem, especially Jupiter's.9) At the beginning of the race, the runners werebunched together on the track, but later some ofthem got ahead and left the others behind

8) Radio telescopes (射电望远镜) have provided valuable information about other stars and about the _ fields of other planets in our solar system, especially Jupiter’s. 9) At the beginning of the race, the runners were _ together on the track, but later some of them got ahead and left the others behind. magnetic 提供有关其他恒星以及太阳系中其他行星磁场 的极有价值的信息，特别是木星 bunched

10) From the control tower (控制塔), air trafficcontrollers coordinate aircraft movement bothin the air_and on the ground (空中和地面上).11) Further troubles developed in October 1995whenthetaperecorderinthe orbiter(轨道飞行器)Galileagot/wasstuckinthe“rewind"(倒带)position for 15 hours, wearing out (磨损) a section ofthe tape

10) From the control tower (控制塔), air traffic controllers coordinate aircraft movement both _ and on the ground (空中和地面上). 11) Further troubles developed in October 1995 when the tape recorder in the orbiter (轨道飞行器) Galileo _ the “rewind”(倒带) position for 15 hours, wearing out (磨损) a section of the tape. in the air got/ was stuck in

12) In 1978, at the beginning of the reform periodapproximately11,000 Chinese students wentabroad to pursue further studies

12) In 1978, at the beginning of the reform period, _ 11,000 Chinese students went abroad to pursue further studies. approximately