问题
选择题
To live a low-carbon life , we must try to save _____ energy and produce ____ carbon .
A.more , less
B.less , more
C.more , fewer
D.most , least
答案
答案:A
energy,carbon 为不可数名词,more和less,后接不可数名词,又根据意思,故选答案为A。