It can be inferred from the passage that the ice would not be flat if

Câu hỏi :

It can be inferred from the passage that the ice would not be flat if _______  .

A. there were no lake underneath

B. the lake were not so big

C. Antarctica were not so cold

D. radio waves were not used

* Đáp án

A

* Hướng dẫn giải

Dẫn chứng: ...the satellite-borne radar detected an extremely flat region where the ice remains level because it is floating on the water of the lake.

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