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
译林版四年级上册英语Unit 8 Story time伴你学答案
译林版四年级上册英语Unit 8 Checkout time & Ticking time伴你学答案
译林版五年级上册英语Unit2 Sound time & Culture time伴你学答案
译林版五年级上册英语Unit3单元测试伴你学答案
译林版四年级上册英语Unit 5 Sound time & Song time伴你学答案
译林版四年级上册英语Unit 6 Fun time伴你学答案
译林版五年级上册英语Unit3 Sound time & Culture time伴你学答案
译林版四年级上册英语Unit 6 Sound time & Rhyme time伴你学答案
译林版四年级上册英语Unit 6 Cartoon time伴你学答案
译林版四年级上册英语Unit 5 Checkout time & Ticking time伴你学答案
译林版四年级上册英语Unit 8 Cartoon time伴你学答案
译林版四年级上册英语Unit 6 Checkout time & Ticking time伴你学答案
译林版四年级上册英语Unit 7 Story time伴你学答案
译林版五年级上册英语Unit2 Fun time伴你学答案
译林版五年级上册英语Unit2 Grammar time伴你学答案
译林版四年级上册英语Unit 5 Cartoon time伴你学答案
译林版五年级上册英语Unit1 Checkout time & Ticking time伴你学答案
译林版四年级上册英语Unit 8 Fun time伴你学答案
译林版五年级上册英语Unit2 Cartoon time伴你学答案
译林版五年级上册英语Unit1 Grammar time伴你学答案
译林版五年级上册英语Unit1 Cartoon time伴你学答案
译林版五年级上册英语Unit2 Story time伴你学答案
译林版四年级上册英语Project 2 (A, B)伴你学答案
译林版四年级上册英语Unit 7 Checkout time & Ticking time伴你学答案
译林版五年级上册英语Unit 4 Grammar time伴你学答案
译林版四年级上册英语Revision 1伴你学答案
译林版五年级上册英语Unit2 Checkout time & Ticking time伴你学答案
译林版四年级上册英语Unit 6 Story time伴你学答案
译林版五年级上册英语Unit1 Fun time伴你学答案
译林版五年级上册英语Unit3 Checkout time & Ticking time伴你学答案
不限 |
英语教案 |
英语课件 |
英语试题 |
不限 |
不限 |
上册 |
下册 |
不限 |