In this experiment, the famous professor showed three different ________ to the study of physics.(2012·河北保定中学月考)
#5059
A
methods
B
ways
C
approaches
D
means
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I bought a sweater for only 50 yuan yesterday; it was a real .
#5830
A
trade
B
exchange
C
bargain
D
business
Health problems are closely connected with bad eating habits and a ____ of exercise.
#6973
A
limit
B
lack
C
need
D
demand
Tourists can have a better view of the sea and the island from their _____ on the top of the temple on the mountain.
#6344
A
position
B
situation
C
condition
D
stage
The invention of the typewriter was a great_______ to communication and printing.
#6407
A
contribution
B
devotion
C
revolution
D
construction