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Câu hỏi:
What is the serious problem of Lake Baikal in Russia?
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A.
It has 1,300 rare species that do not exist anywhere else in the world.
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B.
It is one of the largest lakes that contains a variety of animals and plants.
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C.
It is polluted by massive volumes of industrial wastes discharged into it.
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D.
It is the only lake in Russia whose source of water is not drinkable.
Lời giải tham khảo:
Đáp án đúng: C
Dẫn chứng: Yet, they are being destroyed by the massive volumes of industrial effluent which pour into the lake every day.
Hãy trả lời câu hỏi trước khi xem đáp án và lời giải -
A.
Câu hỏi này thuộc đề thi trắc nghiệm dưới đây, bấm vào Bắt đầu thi để làm toàn bài
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