下列会导致生活垃圾产生量增加的有（）。
A.人口数量增加
B.居民素质的提高
C.居民生活水平的改变
D.居民生活方式的改变
参考答案：A
He found that his house had been ______ and some important files were lost.
A．broken into
B．taken out
C．made into
D．run out
常州校区的办学定位是什么？
