The last paragraph suggests that scientists should be aware of
Chọn C
Key words: last paragraph, scientists, aware
Clue: conducting research … without actually exposing the lake to contamination – tiến hành nghiên cứu … mà không làm tổn hại đến hồ
A. further discoveries on the surface of Antarctica: khám phá nhiều hơn bề mặt của Nam Cực
B. problems with satellite-borne radar equipment: những vấn đề với thiết bị rada vệ tinh
C. ways to study Lake Vostok without contaminating it: phương pháp nghiên cứu hồ Vostok mà không làm tổn hại đến hồ
D. the harsh climate of Antarctica: khí hậu khắc nghiệt của Nam Cực
Đáp án chính xác là đáp án C
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