单词：laser line-type smoke detector
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By Carol Pearson Washington 30 April 2008 Ten years ago, the U.S. Food and Drug Administration approved LASIK, eye surgery with a laser that enables people to see without glasses. But about five percent of LASIK procedures fail, and those patients ca
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A: Hello, this is Betty. B: Hi, Betty. Larry here. How many smoke detectors are in your apartment? A: Actually, I have two. B: Are the batteries fresh? A: Both batteries are good. B: Great. I need to come by and check them myself. A: No problem, when
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( CHAPTER TWELVE - Continued ) There was a long, breathless silence. Ralph found that he had bark in his mouth from the gnawed spear. He stood and peered upwards to the Castle Rock. As he did so, he heard Jack's voice from the top. Heave! Heave! Heav
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My cooking has always been the target of family jokes. One evening, as I prepared dinner a bit too quickly, the kitchen filled with smoke and the smoke detector went off. Although both of my children
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吸烟危害身体健康，这三岁小孩都知道。但是，照样有无数前赴后继的勇士们在不停地加入着这个行列，并且，坚定不移而又顽强地在摧残着自己微弱身躯。中国拥有庞大的吸烟人口，世界上每四个烟民中就有一个是中国人；而与此同时，全球每年有3000万新增烟民，我国又占了其
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A: Hello, Betty speaking. B: Hey, Betty. This is Larry. Tell me how many smoke detectors you have, please. A: This apartment came with one, and I installed another one. B: Are there fresh batteries in each of them? A: Each detector beeps when the bat
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A: Hello, this is Betty. B: Hello, Betty. This is Larry. How many smoke detectors are on your ceiling? A: I have two smoke detectors. B: Do you have fresh batteries in both of them? A: Both batteries are pretty fresh. B: Very good. I have to come by
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A: Hello, this is Betty. B: Hi, Betty. Larry here. How many smoke detectors are in your apartment? A: Actually, I have two. B: Are the batteries fresh? A: Both batteries are good. B: Great. I need to come by and check them myself. A: No problem, when
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A: Hi, this is Betty. B: Hi, Betty. It's Larry. I need to know how many smoke detectors are in your apartment. A: There was one when I moved in. Then I added one. B: Do both detectors have fresh batteries? A: I always keep them fresh. I don't want to
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Rebecca: Look, theres smoke coming from six stories up. Hugh: Yes, I know. Didnt you hear the fire alarm go off upstairs a few minutes ago? Rebecca: No, but Im really glad theres a fire station only a few blocks away. Hey look, theres the fire engine
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My cooking has always been the target of family jokes. One evening, as I prepared dinner a bit too quickly, the kitchen filled with smoke and the smoke detector went off. Although both of my children had received fire-safety training at school, they
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Unit 17 第十七单元 Conversation 1 会话 1 A:Miss Sun,could you please type this report for me? A:孙小姐，请替我打这份报告好吗？ B:Certainly,Mr. Baker. B:当然，贝克先生。 A:Could you please double space it so I can make co
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Voice 1 Welcome to Spotlight. I'm Adam Navis. Voice 2 And I'm Marina Santee. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 We use it to cook. We use it
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