【单选题】0n the one hand, we should develop our economy.___________we should protect the environment. [ ]
【简答题】Now lots of agers like smoking. It's a big problem. Some of them smoke, just for fun and some think smoking looks cool. Others smoke because there are many people around them that smoke. As we all...
【简答题】听短文,选择正确答案。 1. What was the weather like yesterday? A. Rainy. B. Cloudy. C. Sunny. 2. Who did the writer visit the Great Wall with? A. His friends. B. His parents. C. His classmates. 3. They did have ...
【单选题】据统计,全世界每天五中灭绝的数据有( )。
【简答题】Why, you may wonder, should spiders be our friends? Because they protect so many insects, and insects include【M1】______ some of the greatest enemies of the human race. Insects would make impossible fo...