问题
选择题
To reduce emissions of greenhouse gases, many countries are increasing the use of natural gas, wind and other forms of _______ energy.
A.abandoned
B.original
C.alternative
D.precious
答案
答案:C
题目分析:A. abandoned被放弃的,被遗弃的,热情洋溢的,B. original 最初的,原始的,C. alternative可替换的,可供选择的, D. precious珍贵的,句意:为了减少温室气体的排放,很多国家在增加天然气,风和其他可替代能源的使用。所以选C。