Разговорные темы по английскому языку. Яшина Е.А. - 82 стр.

              He experimented with a number of different materials before finding the right
              one.
              The technician pressed a button and lights started flashing.
              When she pulled a lever, the wheel began to rotate.
              The zoologist dissected the animal.
              When they were combined, the two chemicals reacted violently with each
              other.
              After analysing the problem, the physicist concluded that there was a flaw in
              his initial hypothesis. James Watt invented the steam engine and Alexander
              Fleming, another Scot, discovered penicillin.
              After switching on the computer, insert a floppy disc into the disc
              drive.
              You must patent your invention as quickly as possible.

              1. Below you have some of the amazing achievements of modern technology.
                 Match the names on the left with the definitions on the right.

          video recorder    a kind of sophisticated typewriter using a computer
          photocopier       a machine which records and plays back sound
          fax machine       a machine which records and plays back sound and pictures
          tape recorder     a camera which records moving pictures and sound
          modem             a machine for chopping up, slicing, mashing, blending etc.
          camcorder         a machine which makes copies of documents
          robot             a machine which makes copies of documents and sends them
          down telephone lines to another place
          word-processor    a machine which acts like a person
          food-processor    a piece of equipment allowing you to send information from
          one computer down telephone lines to another computer

          Listening

         “How does it work?”
         Pre-listening task

         1.You are going to listen to the explanation of how a photocopier works. Before
         you listen study the following words and expressions. Look up the words you
         don’t know in the dictionary.

         electric charges                              to conduct electricity
         static electricity                            a negative (positive) electric
         charge
         to press the button                           original (n)

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