問題詳情
【題組】20
(A) We need the ozone layer to protect ourselves.
(B) And the amount of carbon dioxide in the atmosphere continues to increase.
(C) And the increase in temperature could be even greater in the Arctic and Antarctic regions.
(D) Gases such as carbon dioxide, ozone, and water vapor absorb this energy and create more heat.
參考答案
答案：B
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)