An Intelligent Car
Driving needs sharp eyes, keen ears, quick brain, and coordination between hands and the brain. Many human drivers have all ____1____ and can control a fast-moving car. But how does an intelligent car control itself?
There is a virtual drive1 in the smart car. This virtual driver1 has eyes, brains, hands and feet, too. The minicameras ____2____ each side of the car are his eyes, which observe the road conditions ahead of it. They watch the ____3____ to the cars left and right. There is also a highly ____4____ driving system in the car. It is the built-in computer, which is the virtual drivers brain. His brain calculates the speeds of ____5____ moving cars near it and analyzes their positions. Basing on this information2, it chooses the right ____6____ for the intelligent car, and gives ____7____ to the hands and feet to act accordingly. In this way, the virtual driver controls his car.
What is the virtual drivers best advantage3? He reacts ____8____. The minicameras are ____9____ images continuously to the brain. It ____10____ the processing of the images within 100 milliseconds. However, the worlds best driver ____11____ needs one second to react. ____12____, when he takes action, he needs one more second.
The virtual driver is really wonderful. He can reduce the accident ____13____ considerably on expressways. In this case, can we let him have the wheel4 at any time and in any place? Experts ____14____ what we cannot do that5 just yet6. His ability to recognize things is still ____15____. He can now only drive an intelligent car on expressways.
1. A) these B) them C) this D) that
2. A) within B) above C) to D) on
3. A) police B) traffic C) trucks D) buses
4. A) mechanical B) movable C) automatic D) electronic
5. A) another B) other C) each other D) one another
6. A) line B) lane C) track D) path
7. A) space B) locations C) instructions D) time
8. A) quickly B) cleverly C) virtually D) safely
9. A) bringing B) taking C) sending D) carrying
10. A) selects B) completes C) uses D) tests
11. A) at least B) at most C) at last D) at best
12. A) So B) However C) Besides D) Therefore
13. A) count B) amount C) digit D) rate
14. A) warn B) suggest C) invite D) check
15. A) unknown B) few C) untested D) limited
冀教版六年级下unit 1《Lesson 6 Who won》word同步测试题
冀教版六年级下Unit3《Lesson 24 Again, please》word同步测试包(含听力)
冀教版六年级上Unit1《lesson2 Jenny’s House》word同步测试包(含听力)
冀教版六年级上Unit2《Lesson 11 Mr. Wood Teaches a Lesson》word同步测试题
冀教版六年级下unit 1《Sports》word同步测试题
冀教版六年级下unit 2《Lesson 11 This is good for you》word同步测试题
冀教版六年级上Unit4《lesson29 the christmas story》word同步测试题
牛津苏教英语六年级单元试题-下册Unit1
冀教版六年级上Unit3《Lesson19 Danny’s Winter Clothes》word同步测试题
冀教版六年级下unit 1《Lesson 8 Again, please》word同步测试题
冀教版六年级上Unit2《Lesson 10 Liming meets Jenny’s classes》word同步测试题(一)
外研版英语六年级单元试题-上册MODULE 3
冀教版六年级上Unit4《lesson28 Oh chirstmas tree》word同步测试题
牛津苏教英语六年级单元试题-上册Unit1-3
牛津苏教英语六年级单元试题-下册Unit1-8
冀教版六年级上Unit3《Lesson17 Seasons》word同步测试题
冀教版六年级下unit 2《Lesson10 Always brush your teeth》word同步测试题
牛津苏教英语六年级单元试题-上册Unit6
冀教版六年级下Unit4《Lesson 30 Good-bye》word同步测试包(含听力)
冀教版六年级上Unit1《lesson4 In the Bathroom》word同步测试题
冀教版六年级上Unit3《Lesson22 I like winter》word同步测试题
冀教版六年级下unit 2《Lesson 9 Always eat breakfast》word同步测试题
冀教版六年级下unit 1《Lesson 7 Are you ready for a quiz》word同步测试题
牛津苏教英语六年级单元试题-下册Unit1-2(2套)
冀教版六年级上Unit3《Lesson23 Are you ready for a quiz》word同步测试题
冀教版六年级上Unit3《Lesson20 Winter Fun》word同步测试题
冀教版六年级下Unit1《Lesson 3 At the gym》word同步测试包(含听力)
冀教版六年级上Unit2《Lesson14 Let’s sing a new song》word同步测试题
冀教版六年级上Unit1《lesson6 In the living room》word同步测试题
冀教版六年级上Unit2《Lesson 12 How Many Are There》word同步测试题