【简答题】S/C的英文全称是(1),中文是(2)。 P/O的英文全称是 (3),P/C的英文全称是(4),都指的是(5)。
【判断题】在污染水体中由于含氧量低,水蚤的颜色比在清水中的红些。
【单选题】Peter's father smiled when he heard his son's words because
A.
he was pleased with his son's words
C.
Peter had never seen a golden bridge
D.
Peter didn't know why the bridge was called 'Golden Gate Bridge'
【判断题】在污染水体中由于含氧量低,水蚤的颜色比在清水中的红些。
【简答题】O2P 的英文全称是( 1 );中文翻译是( 2 )