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Câu hỏi:
The last paragraph suggests that scientists should be aware of ________
- A. further discoveries on the surface of Antarctica
- B. problems with satellite-borne radar equipment
- C. ways to study Lake Vostok without contaminating it
- D. the harsh climate of Antarctica
Lời giải tham khảo:
Đáp án đúng: C
Dẫn chứng: The downside of the discovery, however, lies in the difficulty of conducting research on the lake in such a harsh climate and in the problems associated with obtaining uncontaminated samples from the lake without actually exposing the lake to contamination. Scientists are looking for possible ways to accomplish this.
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