问题补充：
Future agriculture should depend on high technology traditional methods.
A. as good as
B. as far as
C. as well as
D. as long as
答案：
A. as good as
B. as far as
(答案→)C. as well as
D. as long as
解析：as good as和……一样好；as far as就……而言；as well as不但……而且；as long as只要。句意：未来农业不但要依靠传统方法而且要依靠高科技。所以选C。
