Unit 4 Amazing Science Topic 1 When was it invented? Section A 【学习目标】 1.掌握重点单词和短语:style, project, pleasure, daily, website, pioneer, list, mention, be used for doing sth., my pleasure, in one’s daily life, be invented by 等。 2.通过学习句型 When was it...
2014 Unit 6 When was it invented Section A 1 Period1SectionA1a-2c 各种时态的被动语态的构成：1.一般现在时态am,is,are+过去分词2.一般过去时态was,were+过去分词3.一般将来时态will/am.is.aregoingto+be+过去分词5.现在完成时态have,has+been+过去分词9.含情态动词的情态动词+be+过去分词 把下列的...
Smart cards, including SIM cards, were invented to containerize the secure portion of systems. Authentication, attestation, all that was meant to be done there, such that the bigger system could be less secure and more flexible. Some time in the last two decades, multiple entities decided it...
The floppy disk drive (FDD) was invented at IBM by Alan Shugart in 1967. The first floppy drives used an 8-inch disk (later called a "diskette" as it got smaller), which evolved into the 5.25-inch disk that was used on the first IBM Personal Computer in August 1981. The 5.25-inch...
I had always hated tape recorders but more and more people told me they were invaluable, so I used a mini-tape recorder for the Eastwood interview. I hit rewind, then play, and I heard… ZERO. Nothing, nada, blip… I felt my blood freeze. The guy who never gave interviews had liked...