0.4567（精确到百分位）≈______，2.4万精确到______位．
0.4567≈0.46，
2.4万精确到千位．
故答案为：0.46；千．
小燕的爷爷在二十世纪七十年代有这样的经历：被拉到街上批斗，被抄家，被戴上“走资派”的帽子，全家被下放到边远农村。据此你推断他的爷爷当时的经历是 [ ]
A、“大跃进”运动
B、人民公社化运动
C、“ * * ”
D、土地改革运动
Questions 11 to 15 are based on the following interview.
A. They are financially capable to make both ends meet living there. B. They have high expectations for a quiet community of isolation C. Some are disappointed but many more are happy with the community. D. Some have high incomes and others are working class folks.
