They postulated a 500-year lifespan for

练习题库2022-08-02 29

问题 They postulated a 500-year lifespan for a plastic container.A:challenged B:assumedC:deducted D:decreed

选项 A:challenged
B:assumed
C:deducted
D:decreed

答案 B

解析本句意思：他们假定塑料容器的寿命为500年。postulate假定，假设。challenge挑战；assume假设，假定；deduct减去；decree颁布（法令）。

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理工A

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