题目内容
All vitamin supplements would be evaluated in scientifically ___________ clinical trials.
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During the Renaissance __________ artists learned by replicating the works of the masters.
To ________ how the system works, Bruce shows off the prototype of a 3D analysis tool.
Our challenge is to __________ those voters and inspire them to join our cause.
The deeper you go into the novel, the more you begin to understand and ___________ with the characters. .
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