题目

等腰三角形的一个外角是80°，则其底角是（    ）．A．100°     B．100°或40°      C．40°        D．80°  答案：C解析:略  读短文，完成表格。      It was Saturday yesterday. I had no lessons. I got up at six. After breakfast. I went to a farm by truck with my classmates to help the farmers with apple harvest. As soon as we went there, we began to pick apples. But some of the apples are too high for me to reach. Jim is very strong. He lifted a ladder and held it for me.So I was able to pick them. Some of us took the baskets of apples to the truck and someput the baskets of apples onto the truck.      It was hard work, but we all felt very happy. 1. When did you go?         1          2. Where did you go?         2          Who went there ? My classmates and I 3. How did you get there?         3          4. What did you do there?         4          5. How did you feel about it?         5