In the last 10 years we have all witnessed an impressive growth in our knowledge

游客2025-01-22 25

问题 In the last 10 years we have all witnessed an impressive growth in our knowledge about the environment.

选项 A、imperative
B、observable
C、important
D、obvious

答案 B

解析

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Inthelast10yearswehaveallwitnessedanimpressivegrowthinourknowledge