《英文天天寫》是滬江部落一檔寫作類節(jié)目，其目的在于提升大家的英語寫作能力。每期節(jié)目主持人都會給出一個話題，積極參加的童鞋還會得到主持人的專業(yè)點評哦！想提高英語寫作的童鞋千萬不要錯過哦！去滬江部落訂閱本節(jié)目！

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話題：

Writing: imagine a scenario or express your opinion
GPS (Global Positioning System)
The Global Positioning System, more often refered to as GPS, is a system of satellites providing location information. Where is the GPS used? How does it affect navigation?
This week's topic: They turned on their GPS... (90-110 words)

Suggestions:
1) turning off GPS in a smart phone to extend battery life
2) using GPS to search for an alternate route when encountering a detour
3) relying too much on the GPS
4) how GPS works
5) Instead of writing a scenario, feel free to comment on the story below.

范例1：

“Don't worry about it. I have your GPS co-ordinates from your last location. I'll check up on the area and look for buildings or other structures in the vicinity. Let's call it a night. I'll see to it you get home safely,” Doug told his partner. He kept monitoring his partner's location while going through the computer system to search for information about the location at which his partner had to abort the tracking mission. That area where the target vehicle turned off-road was remote, off a stretch of highway without traffic cameras.

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