题干
Last night somebody Mr. Brown's house and took away many things.
A：broke down
B：broke up
C：broke out
D：broke into
答案(点此获取答案解析）
D
Last night somebody Mr. Brown's house and took away many things.
A：broke down
B：broke up
C：broke out
D：broke into
2NH3（g）；△H<0的正反应速率随时间的变化情况，由此曲线判断下列说法中，可能正确的是