A-A+
This (equipment) is (based upon) advanced (tec
问题详情
This (equipment) is (based upon) advanced (techniques) and it is (highly reliable).
A．equipment
B．based upon
C．techniques
D．highly reliable
参考答案
正确答案：C
解析：应改为technology。technique为“技巧，方法”，technology为“技术”，不可数，这里应是“以先进的技术为基础”，故改为technology。
