职称英语考试

【单选题】 The entire process is called the greenhouse effect, and most of it is caused by the prevalent greenhouse gas, water vapor.
A．predominant
B．executive
C．superior
D．remarkable

网考网参考答案：A
网考网解析：
predominant：优越的；executive：行政的；superior：优秀的；remarkable：值得注意的。题中prevalent为“有优势的”，可知A项最适合要求。 查看试题解析出处>>