题目

据统计,2016年长春市接待旅游人数约67000000人次,67000000这个数用科学记数法表示为( ) A.67×106       B.6.7×105      C.6.7×107      D.6.7×108 答案:C.That was such an____question that it made me____,not knowing how to answer.A.embarrasing,embarrassedB.embarrassed, embarrassedC.embarrasing, embarrasingD.embarrassed,embarrasing
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