单项选择题

Who modified and improved the design of the steam engine in 1765

A．Thomas Newcomer.
B．James Watt.
C．Thomas Edison.
D．Alexander Graham Bell.

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单项选择题

According to the passage, what are third party screeners

A．Those who help detect deceptions.
B．Those who help employ workers.
C．Those who help glee counseling.
D．Those who help write resumes.

单项选择题

Some bosses are against ongoing employee screening because they think ______.

A．it is an annoying offense.
B．it is time-consuming.
C．the task performance accounts.
D．one's record is the most important.

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