A sharp in production wouldn’t have been seen but for the advanced techniques.
A. balance
B. failure
C. growth
D. decrease
网友回答
A. balance
B. failure
(答案→)C. growth
D. decrease
解析：考查名词。Balance平衡 failure失败 growth增长 decrease减少
句意为，要不是先进的技术，产品的大幅增长就不会出现了。