【简答题】B Mary went out at night. She never forgot the night when she met a robber many years ago. That evening, she was invited to a birthday party which lasted until two o’clock i n the morning. Without co...
【简答题】听对话、短文和问题,选择正确答案。 1. Why is Mary sad? [ ] A. Because she hasn't been to Europe. B. Because her parents forgot her birthday. C. Because her parents can't celebrate her birthday. 2. Where are they g...
【单选题】(单选)铜氨纤维具有( )等特点,一般为长丝,用于制成轻薄面料和仿丝绸产品。