问题补充:
A sharp in production wouldn’t have been seen but for the advanced techniques.
A. balance
B. failure
C. growth
D. decrease
答案:
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。