The word -that in the third paragraph refers to ______. Earth’s oceans

Câu hỏi :

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 43 to 50.

A. Earth’s oceans

B. human activity

C. greenhouse gases

D. Earth’s atmosphere

* Đáp án

C

* Hướng dẫn giải

Đáp án C

That = greenhouse gases : khí gây hiệu ứng nhà kính

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