大學(xué)英語六級(jí)閱讀理解100篇:汽車系統(tǒng)

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　　Navigation computers, now sold by most car-makers, cost $2,000 and up. No surprise, then, that they are most often found in luxury cars, like Lexus,BMW and Audi. But it is a developing technology-meaning prices should eventually drop-and the market does seem to be growing.

　　Even at current prices, a navigation computer is impressive. It can guide you from point to point in most major cities with precise turn-by-turn directions-spoken by a clear human-sounding voice. and written on ascreen in front of the driver.

　　The computer works with an antenna (天線) that takes signals from no fewer than three or the 24, global positioning system (GPS) satellites. By measuring the time required for a signal to travel between the satellites and the antenna. the car's location can be pinned down within l00 meters.

　　The satellite signals. along with inputs on speed from a wheel-speed sensor and direction from a meter, determine the car’s position even as it moves. This information is combined with a map database. Streets, landmarks and points of interest are included.

　　Most systems are basically identical. The differences come in hardware-the way the computer accepts the driver's request for directions and the way it presents the driving instructions. On most systems, a driver enters a desired address, motorway junction or point of interest via a touch screen or disc. But the Lexusscreen goes a step further: you can point to any spot on the map screen and get directions to it.

　　BMW's system offers a set of cross hairs(瞄準(zhǔn)器上的的十字紋)that can be moved across the map (you have several choices of map scale) to pick a point you'd like to get to. Audi's screen can be switched to TV reception.

　　Even the voices that recite the directions can differ, with better systems like BMW's and Lexus's having awider vocabulary. The instructions are available in French. German, Spanish, Dutch and Italian, as well asEnglish. The driver can also choose parameters for determining the route: fastest, shortest or no freeways(高速公路), for example.

　　1. We learn from the passage. that navigation computers______________.

　　A) will greatly promote sales of automobiles

　　B) may help solve potential traffic problems

　　C) are likely to be accepted by more drivers

　　D) will soon be viewed as a symbol of luxury

　　2. With a navigation computer, a driver will easily find the best route to his destination________.

　　A) by inputting the exact address

　　B) by indicating the location of bis car

　　C) by checking his computer database

　　D) by giving vocal orders to the computer

　　3. Despite their varied designs, navigation computers used in cars___________________.

　　A) are more or leas the same price

　　B) provide directions in much the same way

　　C) work on more or less the same principles

　　D) receive instructions from the same satellites

　　4. The navigation computer functions__________________.

　　A) by means of a direction finder and a speed detector

　　B) basically on satellite signals and a map database

　　C) mainly through the reception of turn-by-tum directions

　　D) by using a screen to display satellite signals

　　5. The navigation systems in cars like Lexus. BMW and Audi are mentioned to show__________.

　　A) the immaturity of the new technology

　　B) the superiority of the global positioning system

　　C) the cause of price fluctuations in car equipment

　　D) the different ways of providing guidance to the driver

　　答案：

　　1.從文章中我們得知，導(dǎo)航電腦__________________。

　　A)會(huì)大大提高汽車的銷售

　　B)可以幫助解決潛在的交通問題

　　C)很可能會(huì)被更多的司機(jī)所接愛

　　D)很快會(huì)被視作奢侈品的象征

　　[C]根據(jù)文章第1段“這是一項(xiàng)正在發(fā)展的技術(shù)，而且其市場(chǎng)還有很大的潛力”，可推斷，它將被越來越多的駕駛員接受。故選C。

　　2.有了導(dǎo)航電腦，司機(jī)就能很容易找到去目的地的最佳路線，方法是___________________。

　　A)輸入準(zhǔn)確的地址

　　B)顯示汽車的位置

　　C)檢查電腦的數(shù)據(jù)庫(kù)

　　D)對(duì)電腦發(fā)出口頭指令

　　[A]根據(jù)文章第5段“在大多數(shù)電腦系統(tǒng)中，駕駛員只需觸模屏幕輸入要去的地方即可”，由此可推斷，輸入確切的目的地就是駕駛員唯一要做的事。因此，A正確。

　　3.雖然設(shè)計(jì)各不相同，車用導(dǎo)航電腦____________________。

　　A)價(jià)錢都差不多

　　B)指路的方式都-樣

　　C)原理基本一樣

　　D)從同樣的衛(wèi)星接收指令

　　[C]根據(jù)文章第5段“大多數(shù)電腦系統(tǒng)的工作原理基本上是一致的，區(qū)別只是在于硬件——電腦接受駕駛員指令的方式和電腦輸出駕駛指令的方式不同”，因此，C正確。

　　4.導(dǎo)航電腦起作用，____________________。

　　A)是通過一個(gè)方向?qū)ふ移骱鸵粋€(gè)速度檢測(cè)器實(shí)現(xiàn)的

　　B)基本上是依賴衛(wèi)星信號(hào)和一個(gè)地圖數(shù)據(jù)庫(kù)

　　C)主要是通過接收逐步方向指令

　　D)使用一個(gè)屏幕來顯示衛(wèi)星信號(hào)

　　[B]根據(jù)文章第4段“衛(wèi)星信號(hào)，連同車速傳感器提供的車速數(shù)據(jù)和定向儀提供的方向一起確定汽車前進(jìn)時(shí)的位置。這些信息同一個(gè)地圖數(shù)據(jù)庫(kù)相結(jié)合”，故B正確。

　　5.文章提到凌志，BMW和奧迪的車用導(dǎo)航系統(tǒng)，是為了顯示_____________________。

　　A)新技術(shù)的不成熟性

　　B)全球定位系統(tǒng)的優(yōu)越性

　　C)汽車設(shè)備價(jià)錢波動(dòng)的原因

　　D)為駕駛員指路的不同方式

　　[D]根據(jù)文章第5段提出的觀點(diǎn)(見第3題)，在以下的幾段中，圍繞此觀點(diǎn)，文章具體舉例說明了安裝了導(dǎo)航電腦的這幾種車型在這兩方面到底有什么不同，也就是說在給駕駛員提供指令方面到底有什么不同。由此可推斷D正確。-->