【简答题】There are many ways for us to reduce(减少) waste. For 16 , we can reduce paper and plastic bags. We can also recycle newspapers, glass, and cans(易拉罐) to make new things. Here are some useful ways to 17 ...
【单选题】Testing Times Researchers are working on ways to reduce the need for animal experiments, but new laws may increase the number of experiments needed. The current situation In an ideal world, people wou...