【多选题】现金流量表中的现金等价物的特点有( )。
【单选题】The star has been playing basketball ______ he was a boy.
【判断题】在中间平面内,普通圆柱蜗杆传动相当于直齿条与直齿轮传动。
【单选题】Jim and I ______ a basketball. We play basketball after school. [ ]
【单选题】Since then, the popularity of basketball ______worldwide. [ ]
【单选题】—Is Alice playing both basketball and tennis for your school? —She _____. But now she has given up playing basketball. [ ]
【简答题】The retired basketball star Yao Ming ,whose basketball career was cut by injury, has started classes at Shanghai Jiaotong University, one of the top universities in his hometown of Shanghai. Yao Ming ...