Companies usually _____ a number of experiments before a new pro
分类: 英语（专升本）(z0009)发布时间: 2024-09-16 17:53浏览量: 0
Companies usually _____ a number of experiments before a new product is launched． A、practice B、control C、carry D、conduct 【正确答案】：D 【题目解析】：此题考查词意辨析。Practice实践、练习，control控制，carry携带，conduct进行、实施。选项D是正确的。【句子大意】公司在新品上市之前通常要做大量的实验。