每周一听——那些年我们一起练过的听力（第144期）

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每周一听——那些年我们一起练过的听力（第144期）

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每篇设空十处，每答对一空奖励一个BB，全对的虫子可得15个BB奖励。有好的建议大家可以跟帖留言，加油哦~~~~~~

       (1)    battery down to 10 percent? Time to turn down the brightness on the screen, right? It's a classic   (2)    to squeeze more juice from the battery. And it works. But that   (3)    might be less effective than you think. Because it turns out nearly half the battery drain on a phone happens when the screen's not even on. So says a study    (4)    at a meeting of the Association for Computing Machinery, in Portland, Ore.
     Researchers eavesdropped on the activity of more than 1,500 Android phones—specifically, the Samsung Galaxy S3 and S4. They used an app they    (5)    called eStar Energy Saver. The app    (6)    the energy drain of the phone's apps and activities as they happen.
     They found that some 45 percent of the battery drain happened while the screen was off. A lot of that energy suck was apps updating in the background—downloading headlines and weather, while you're not actively using them. And different versions of the same app require different energy supplies.    (7)    , some versions of the Facebook app were twice as energy thirsty as other versions. So app version choice could slow your battery drain.
     But one of the most   (8)    energy draws, zapping 12 percent of the battery, was just cellular paging: the pings from a cell tower every 1.28 seconds, that tell your phone if a call or message is on the way. Which is,    (9)    , the price of being    (10)    .

上期答案
1 senses
2 apologize
3 essentially
4 dumping
5 mistakenly
6 offer
7 leftovers
8 fraction
9 devote
10 general

[/box][ Last edited by 杜小丫 on 2015-7-7 at 18:22 ]

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• 144期_.mp3

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