In 1831, Faraday discovered that electricity moves through a wire ________ a magnet（磁铁） is moved near the wire.


  1. A.
    where
  2. B.
    so
  3. C.
    when
  4. D.
    but

He used this discovery to ________ a machine for making electricity. Faraday also showed how electricity affects chemical ubstances.


  1. A.
    debate
  2. B.
    reflect
  3. C.
    match
  4. D.
    produce

Drivers should be especially careful near schools, where there are _____ to be many children.


  1. A.
    possibly
  2. B.
    probably
  3. C.
    likely
  4. D.
    seemly

In American there are more households with pets than ____ with children.


  1. A.
    those
  2. B.
    these
  3. C.
    ones
  4. D.
    that

We are short of money, so every coin ______ now.


  1. A.
    counts
  2. B.
    values
  3. C.
    worth
  4. D.
    prices

It only ___ for me to pass all the money that she had to the right person.


  1. A.
    remains
  2. B.
    turns
  3. C.
    carries
  4. D.
    refers

When I opened the door I found my son completely ______ a game.


  1. A.
    absorbing in
  2. B.
    absorbed to
  3. C.
    absorbed in
  4. D.
    absorbing to

Listen! His family must be quarrelling, ______ ?


  1. A.
    mustn’t it
  2. B.
    isn’t it
  3. C.
    aren’t they
  4. D.
    needn’t they

In order to catch up with her classmates, _____.


  1. A.
    a lot of books were bought by Mary’s mother
  2. B.
    Mary’s father helped her with her lessons
  3. C.
    Mary worked hard at her lessons around the clock
  4. D.
    Mary’s classmates helped her a lot

It’s time you changed your attitude ___ your studies, for the time is running out.


  1. A.
    with
  2. B.
    towards
  3. C.
    for
  4. D.
    at
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