单项选择题

Applied research, () to solve specific practical problems, has an immediate attractiveness because the results can be seen and enjoyed.

A. formulated
B. undertaken
C. attained
D. accomplished

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单项选择题
She is one of the few people here I can understand properly, she pronounces all her words so ().

A. exactly
B. distinctly
C. distinctively
D. distinguishably
单项选择题
Both dog's diet and structure are () to those of the human being, and so it has been the subject of countless demonstrations and experiments.

A. comparable
B. comparative
C. equal
D. contrary
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