This (equipment) is (based upon) advanced (techniques) and it is (highly reliabl

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问题 This (equipment) is (based upon) advanced (techniques) and it is (highly reliable).

选项 A、equipment
B、based upon
C、techniques
D、highly reliable

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。

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