The Jefferson Laboratories, under the ______of Dr. Elaine Lee, performs over three hundred tests monthly.

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问题 The Jefferson Laboratories, under the ______of Dr. Elaine Lee, performs over three hundred tests monthly.

选项 A、directs
B、directly
C、directed
D、direction

答案D

解析 单词形态:名词1.这是一道词汇形态题,选项均为direct的不同形式。2定冠词the后须接名词,因此(D)direction为正确选项。3. “under the direction of+人”意为“在……的指导下”,同时还有under the supervision/guidance/management of等形式。
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