【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. [ ]
【多选题】下列关于肾病综合征并发症的叙述,正确的是
【单选题】—Is Alice playing both basketball and tennis for your school? —She _____. But now she has given up playing basketball. [ ]