题目

用单词的适当形式完成句子1.I like_____(sing), but my sister doesn’t, she______(like)_____(dance).2.Bobby likes_____(ride) a bike in the park. 答案：【答案】1.singing likes dancing 2.riding 【解析】略1．构成人体细胞的基本物质和主要成分分别是（　　）A．蛋白质、糖类B．糖类、水C．蛋白质、无机盐D．蛋白质、水