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? How to care for precious metals. A standard unit for measuring weight. Using the metric system. The value of precious metals. 32. How was the weight used? To check the accuracy of scales. To calculate the density of other metals. To observe changes in the atmosphere. To measure amounts of rainfall. 33. Why was it necessary to replace the old standard weight? The standard for measuring had changed. Someone lost it. It was made of low quality metal. Someone spilled water on it. 34. What does Dr. Thomas probably think about the cost of the new weight? It is difficult to judge the value of such an object. It is too high for such a light weight It is a small amount to pay for so much precious metal. It is reasonable for an object with such an important function. Loading … Đọc thêm Luyện đề phần nghe toefl itp thuộc 20 câu sau - Mã 99083150[related_posts_by_tax title=""]
