地球一小时。DID you turn off the lights in your house on Saturday? The Earth Hour of 2010 started at 8:30 pm on March 27. Earth Hour started in 2007. People turn off lights for an hour in March every year ……

地球一小时。DID you turn off the lights in your house on Saturday? The Earth Hour of 2010 started at 8:30 pm on March 27. Earth Hour started in 2007. People turn off lights for an hour in March every year ……

, the lights between the crossing’s lines turn green, too.The crossing also uses radar (雷达) to tell...“会说话”的斑马线亮相上海。There is a new zebra crossing (斑马线) in Shanghai. It has lights (灯光) and can “talk ……

THIS sign is from a junction (路口) in London. Some traffic lights in the city are not automatic. In order to make the light turn green, pedestrians have to press the button at the bottom ……

Scientists turn spider webs into music. TUCHONGScientists turn spider webs into music..., scientists have translated the structure of a spider web into music and revealed the results ……

考点链接重点词汇turn off 关上（灯等）练练吧Don't forget to _____ the lights when you leave the room. (06连云港)A. turn on B. turn down C. turn up D. turn offKey: D佳句诵读The less you buy, the more you will be doing ……

WEB 2.0 systems might sound complicated, but, actually, they're quite user-friendly. Ordinary... marketing student) needs to turn her digital video editing skills into some cash and extracurricular ……

Turning off our lights for the Earth HourABOUT 20 Chinese cities joined a worldwide event on March 28 to turn off lights of major buildings for one hour. Tens of thousands of Chinese showed ……

. There are six lights in the Remee. After the user has been asleep for four or five hours, the lights on the mask turn on. But they don’t wake (叫醒) the user up. They only let users know that they are asleep ……

, of the dorm management department.Be more efficientRemember to turn off the computer and room lights when you go to bed.Turn off lights whenever you leave the room.Turn off the faucets when brushing teeth ……

抱抱机器人The little robot is Musio. It can use arms to hug you. A US company made this little robot. It also can turn on lights and TV, check5 e-mails and teach English. What a smart robot! ……

remember to turn off the lights in your house. Earth Hour started in 2007. People turn off lights ……

on是接通(电流、煤气、水等)；打开(开关)。例如：1. It is so dark in this room, so I want to turn on the lights.2. I... before you go to bed.2. Be sure to turn the lights off when you leave the classroom.turn up开大、调高(音量、热量 ……

on是“接通(电流、煤气、水等)；打开(开关)”。例如：1. It is so dark in this room, so I want to turn on the lights.2. I... before you go to bed.2. Be sure to turn the lights off when you leave the classroom.turn up“开大、调高(音量 ……

一小时) 2009. Earth Hour started in 2007. People turn off lights for an hour in March every year. They do this to save3 the Earth. People in 1,189 cities of 84 countries turned off their lights. Did you turn ……