题目

Many cities around the world today are heavily polluted. Products (产品) arc not produced in a green way and people haven't realized the importance of buying and using environmentally-friendly products. These lead to the pollution problem. One result is that millions of tons of waste like glass, paper and plastics is produced (生产). The waste problem is difficult to deal with.However, today, more and more people are choosing “green” and expecting that the products they buy should be safe for the environment. Before they buy a product, they ask questions like these: “Will this soap b如图所示是测量电阻阻值的一种方法，我们称之为电流表“外接法”，用这种方法测得的阻值偏 （选填“大”或“小”），原因是 ．这种方法适宜于测量阻值较 （选填“大”或“小”）的电阻．