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【华慧考博】考博英语每日一练（1.5）考博加油！
1. At the moment there are a lot more _______ to be filled in the company.A. variations
B. vacuums
C. vacations
D. vacancies
2. She was so _______ in her job that she didn’t hear anybody knocking at the door.
A. attracted
B. absorbed
C. drawn
D. concentrated
【考博英语长难句翻译】
Research on animal intelligence also makes us wonder what experiments animals would perform on humans if they had the chance.