第14题: [单项选择]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:C 答案解析: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。