题目

根据括号里的要求填空。 1.The helpful boy is always         (准备好的) to help people in need. 2. I’ d like to do some          (社会的) work. 3.As is known to us, Jim is a         (勤奋的) student. 4. He went to England for           (进一步) study. 5. At present, you can enjoy          (免费的) Wi-Fi in many places. 6. There is        (something) in the fridge. I think you should buy some. 7. Mary decided        (stay) at home and do her homework. 8. Time         (seem) to go faster when I w如图，已知△ABC中，∠BAC＝140°，现将△ABC进行折叠，使顶点B，C均与顶点A重合，则∠DAE的度数为________．