My mother is a doctor. She is ( ) medicine.

李老师

My mother is a doctor. She is ( ) medicine.
A. from
B. at
C. in
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2.  David ( ) on a new database at the moment.
A. currently work
B. is currently working
C. currently working
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3.  The youth centers set up by the city government have ____ those young people to spend their time wisely.
A. relieved
B. occupied
C. enabled
D. prohibited
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4.  Her fear of making mistakes has caused her great difficulty in ____ with others in English.
A. organizing
B. communicating
C. retreating
D. researching
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5.  You really work hard, but don’t you think life is too boring without any ____ ?
A. pastimes
B. advantages
C. distractions
D. compliments
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6.  Our house is located at the foot of a hill, ____.
A. it’s facing a stream
B. it’s faced a stream
C. its front facing a stream
D. its front faced a stream
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7.  Many animals ____ green plants for their food.
A. carry out
B. base on
C. depend on
D. look for
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8.  A:What does your father do? B ).
A. He is responsible for the central computer system
B. He works with another man
C. He is in the office
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9.  Why is she ( )lunch so early? It's only 10 now.
A. having
B. have
C. has
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10.  The Business Banking Department is on ( )second floor.
A. /
B. an
C. the
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11.  James is ( ) French than Polly.
A. a bit better at
B. a bit more good at
C. a bit good at
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12.  ( )would you like, tea or coffee?
A. How
B. Why
C. What
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13.  The farmers ____ a mysterious object flying over when they made their way home.
A. kept up with
B. caught sight of
C. made use of
D. held themselves in
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14.  One of the most remarkable developments in ____ electronic age has been the televising of college-level courses.
A. every
B. such
C. the
D. each
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15.  Having lived in Italy for thirty years, Vivian and her husband moved to make a ____ home in New York.
A. permanent
B. determined
C. complicated
D. worthwhile
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16.  Polly goes to a gym twice ( )week with her friends.
A. /
B. a
C. the
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17.  John: Linda, this is Rose, my wife. Rose, this is Linda, my new student fro