我国人口分界线是______到______．
我国人口地理的重要分界线是黑龙江的黑河市到云南省的腾冲县．
故答案为：黑龙江的黑河市；云南省的腾冲县．
试题给出了计算机英文术语的解释，请从供选择的参考答案中选择正确的术语。
（）A location where data can be temporarily stored.
A.Area
B.Disk
C.Buffer
D.File
—People should start using public transport instead of using their private cars. — （）. The streets in Shandong are too crowded as it is in Jinan.
A. All right
B. Exactly
C. Go ahead
D. Fine
