【单选题】某公司推出一款新的饮料,要选择一种饮料包装瓶,要耐摔耐撞,请问该选择哪种材料的包装?
【简答题】完形填空。 Dear Bob, My name is Zhang Jian, and I want 1 your pen pal. I live in Beijing, 2 . I think Canada is a very beautiful 3 . I' m 14 years old and my birthday is 4 September. I can 5 a little Engli...
【简答题】完形填空。 Dear Bob, My name is Wang Jie. I want __ 1 __ your pen pal. I live in Beijing, __ 2 __ . I think Canada is a very beautiful __ 3 __.I'm 14 years old and my birthday is __ 4 __ September. I can...
【简答题】写出桥梁工程中单筋截面、双筋截面、T形截面受弯构件正截面承载力计算的基本公式及适用条件是什么?比较这些公式与建筑工程中相应公式的异同。
【单选题】I think running is a good way _______ healthy.
【判断题】列车出现延误、等待时,导游不能安排游客到离车站太远的地方活动。
【简答题】根据句意和首字母提示完成句子。 1. My aunt is an English t_____. 2. I think s_____ is difficult for me. 3. What's your f_____ food? 4. He is t_____ after school. He wants to have a rest (休息). 5. What s_____ do y...
【单选题】2名学生从3个不同的楼梯下楼,不同的下楼方法为