Trắc nghiệm ôn tập
Most climate scientists agree the main cause of the current global warming trend is human expansion of the greenhouse ______ .
Câu hỏi:
Most climate scientists agree the main cause of the current global warming trend is human expansion of the greenhouse ______ .
A.
causes
B.
effect
C.
gas
D.
damage
Đáp án đúng: B
Đăng bởi: Monica.vn
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