(sell) them to the US Navy. From the 1980s, in - ear headphones became very popular. They (7)___(wear) in the ears. Of course, they were cheaper. That was because they (8)___(make) by cheaper materials. At present, different kinds of headphones (9)___(produce). Some even...
Unit 6 When was it invented 培优进阶卷(解析卷)-- 人教新目标Go For It! 九年级全册一、听力选择1.What may they have a chance to win A. B. C.【答案】A【原文】M: Millie, let's send text messages to the show. Then both of us will have a chance to win a car.W: Really Let's...
阅读理解(每小题2分,共20分) A A few years ago,Masaru Ibuka,the head of Sony,was at a company planning a meeting.Suddenly he had an idea.He stopped the meeting and asked everyone what would happen if Sony took away the recording function (功能) and speakers and sold headphones with a ...
1、unit9when was it invented单元测试 uni when ws it invened?单元测试题 一、重点语法:被动语态: 构成:1、一般现在时态 i/are 过去分词 2、一般过去时态was/wer+过去分词3、现在完成时态 have /hasben +过去分词 、一般将来时态will b +过去分词5、含有情态动词的被动语态ca/may/mutsold+e 过去分词...
Question: When was the metal detector invented? The Metal Detector: You sometimes see people walking on the beach carrying a metal pole and wearing headphones. These people are searching for treasures lost and buried in the sand. The pole and headphones are the modern version of a device calle...
九年级 U6 P1 When was it invented Unit6Whenwasitinvented?Period1SectionA1a-2d Ancientinventions Doyouknowthefourgreatinventionsintheancienttimes?gunpowder compass['kʌmpəs]printingpapermaking -Whenwas...invented?-Whowas...inventedby?Ancientinventions when HanDynasty who CaiLun SongDynasty Itis...
aMike: I don't get it, I was wearing headphones.[translate] aLike-wise 同样[translate] ashrewd 敏锐[translate] a车标 Che Biao[translate] awash with similar colours 洗涤以相似的颜色[translate] a你可以看看我 You may have a look me[translate] ...
Who invented the horn speaker? Werner von Siemensand the original horn speaker When multi-talented Werner von Siemens filed a patent for a “mobile coil transformer” in 1877, he was certainly not aware that more than 140 years later his original horn loudspeaker, described as a “cone membran...
Invented in the late 1970s, the Walkman was so revolutionary that it remained on the market for about 40 years, with sales peaking in the first two decades. While highly innovative, this technology had one major drawback: the cord. When you exercised or engaged in any activity that require...
【推荐1】It is difficult for a teacher to decide whether to allow students to listen to music in the classroom. Every time students need to write an essay or work on a problem, they say, “Can I put my headphones on? I think better that way.” But is that really true? Does music...