题型:操作题 某市2008年第一季度财政收入为41.76亿元,用科学记数法(结果保留两个有效数字)表示为[ ]A.41×108元 B.4.1×109元 C.4.2×109元 D.41.7×108元 查看答案
题型:操作题 Our neighbor has _____ours. [ ]A. as a big house as B. as big a house as C. the same big house as D. a house the same big as 查看答案