精选优质文档-倾情为你奉上Unit 5 (Reading)基础知识词语运用(共10小题)用方框中的单词或短语完成下列句子。add some chemicals remember valuable turn . off looked around each drop of water had a long journey dropped into exercise two fifths1. 篮子里五分之二的苹果是红色的。_ of the apples in the basket are red.2 他环顾了下四周， 但是却什么也没看见。He _ , but didnt see anything.3. 工人们向水里添加一些化学物质来净化它。Workers _ to water to make it clean.4. 时间很珍贵，我们必须珍惜它。Time is _ and we
