题干
She is quite a different girl _____ she was five years ago.
A：from
B：to
C：tha
D：with
答案(点此获取答案解析）
C
A：from
B：to
C：tha
D：with
装入带活塞的密闭容器中，当反应
达到平衡后，慢慢压缩，下列叙述正确的是
