Studies of climatology indicate that volcanic dust in the atmosphere may contribute to the onset of ice ages.

Câu hỏi :

Studies of climatology indicate that volcanic dust in the atmosphere may contribute to the onset of ice ages.

A. explain

B. insinuate

C. suggest

D. prove

* Đáp án

* Hướng dẫn giải

indicate = suggest: chỉ ra
Chọn đáp án C

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