It is generally believed that teaching is ____ it is a science.
A an art much as
B much an art as
C as an art much as
D as much an art as
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In the second part of the passage, the author suggests banning on-the-job smoking so as to____.
A cut down costs of medical care and insurance
B create a healthy and safe working environment
C prevent eye irritation from becoming a big health problem
D improve the smoking employees’ work efficiency
A. while B. which C. whenever D. when
Which kind of job that the bullocks do is NOT mentioned in the passage?
A Pulling vehicles
B Plowing fields
C Pumping water out if wells
D Carrying food baskets.
The Internet has brought _____ big changes in the way we work.
A. about B. out C. back D. up