单项选择题

The concept of ______ grouping of people with similar interests and abilities was very popular among educators.

A. segregated
B. integrated
C. homogeneous
D. heterogeneous
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单项选择题
As a law graduate, he ought to know that eyewitness（）is notoriously unreliable, especially so when the witness is not an expert.

A. insight
B. remark
C. argument
D. testimony
单项选择题
One of the（）of the training program is that it enables the young people to be better candidates for employment.

A. viewpoints
B. virtues
C. adventures
D. measures
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