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book2unit 2THE OLYMPIC GAMES

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1.In the study,half of the 1,200 patients were given one piece of the new kind of medicine______while the other half took two. A.each other day B.every other day C.each of two days D.every of two days
book2unit 2THE OLYMPIC GAMES
解题思路: every other day 或every two days 每隔一天;每两天 。
解题过程:
选B 。
every other day 或every two days 每隔一天;每两天 。
every与数词或few, other 连用,表示时间或空间的间隔,其形式有:
1)every +基数词+复数名词
I go there every three days. 我每隔两天(每三天)到那儿去一趟。
2)every+序数词+单数可数名词。 译为:每第……
He comes to see his uncle every third week.他每三周来看望他的叔叔。
3)every + other+单数可数名词。译为:每隔……
He goes to town every other day.他每隔一天进城一次。
4)every + few+复数名词。译为:“每隔几……”
He stopped and turned around every few meters.他每走几步就停下来向四周看一看。
由上分析即可看得出,A,C 和D的形式明显错误 。
最终答案:略