内容正文:
Unit 2 Advanced Technology and Our Life
Period 3 Culture Corner
同步练习
基础巩固
一、英语知识运用
1. Tom often helps old people go____________the road.
A. Through B. along C. above D. across
2. -Just a minute. I haven't finished packing my bag.
-__________ Don't keep the taxi waiting for long.
A. I agree B. Hurry up C. Cheer up D. Never mind
3. Don't get too__________after hearing the good news.
A. Excited B. exciting C. excitement D. excite
4. -Peter, how old is your father this year?
-_____________. And we just had a party for his birthday last weekend.
A. Fortieth; forty B. Forty; fortieth
C. Forty; forty D. Fortieth; fortieth
5. -I want to talk with Jack. Would you please tell me where Jack is?
-He__________________basketball with his classmates over there.
A. is playing B. play C. Plays D. played
能力进阶
二、阅读理解
Have you ever heard of "a ball of energy"? People often use it to describe very active children. But today we tell about an invention called the socket, which is a real soccer ball of energy. Julia Silverman explains that in fact the socket is a portable generator(便携式发电机)。
Julia Silverman and Jessica Matthews developed the socket as part of a group project for an engineering class at Harvard University. There are mechanisms (装置)in a socket. When you kick, hit or throw it, energy is then kept in it by these mechanisms instead of disappearing into the environment.
Then the user can put something directly into the ball, like a lamp, or a mobile phone charger so that they can get energy from it.
For every fifteen minutes of the game play, the socket can provide enough electricity‹ ) for
an LED lamp for three hours, and the ball can store(储藏)up to 24 hours’ electricity.
The International Energy Association reported last year that nearly one and a half billion people in the world had no electricity to use