知识问答
最佳答案:I represent XX company to undertake in foreign migrant workers abroad during the
最佳答案:解题思路:近似数精确到哪一位,应当看末位数字实际在哪一位,即可得出答案.近似数7.88×105精确到千位;故答案为:千.点评:本题考点: 近似数和有效数字.考点
最佳答案:Recently,with the rapid development of economic construction,more and more migra