每日一练丨希赛考博英语真题练习（12.6）

【希赛】考博英语每日一练（12.6）

19.Scientific and technological advances are enabling us to comprehend the furthest reaches of the cosmos, the most basic ________ of matter, and the miracles of life.【西南林业大学2017】

A. bacteria B. constituents C. erosion D. contexts

20.The chocolate company maintained stable sales ________ and increased profits by 4.7% in the fiscal period ending in February.【西南林业大学2017】

A. volumes B. rows C. dimensions D. outputs

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