複選題
41. The thinning of the ozone layer that protects the Earth ( A )with the sun's intense heat is tremendous and it has apparently ( B )caused increase of the Earth's temperature that is capable of ( C )creating heat waves to ( D )affected countries.
(A) A
(B) B
(C) C
(D) D
答案:登入後查看
統計: 尚無統計資料
統計: 尚無統計資料