Khóa học phần nghe toefl itp 20 câu sau theo bài Hướng dẫn và trắc nghiệm nghe toefl itp thuộc 20 câu sau – Mã 99013134 14 Th10 Press to start in video 31. What is the conversation mainly about? Using the metric system. How to care for precious metals. A standard unit for measuring weight. The value of precious metals. 32. How was the weight used? To observe changes in the atmosphere. To measure amounts of rainfall. To calculate the density of other metals. To check the accuracy of scales. 33. Why was it necessary to replace the old standard weight? Someone spilled water on it. Someone lost it. It was made of low quality metal. The standard for measuring had changed. 34. What does Dr. Thomas probably think about the cost of the new weight? It is too high for such a light weight It is a small amount to pay for so much precious metal. It is difficult to judge the value of such an object. It is reasonable for an object with such an important function. Loading … [irp][related_posts_by_tax title=""]
