单项选择题

While a computer cannot replace an instructor, it can take over many tasks to lessen the usual burden of the instructor.

A．routine
B．serious
C．generalized
D．compulsory
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单项选择题
The students failed to meet the necessary ______ for admission to the course.
A．fulfillment
B．requirements
C．qualities
D．competency
单项选择题
Although the body is made up of many different tissues, these tissues are arranged in an ______ and orderly fashion.
A．internal
B．intricate
C．initiative
D．incredible
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