April 22 nd is World Earth Day.It is a day to remind us to (1...
(10)B esides,humans are using up natural resources(资源).According to a report from BP(英国石油公司),there will be no coal to use on the Earth by 2158 and oil will dry up by 2050. 答案71.care;考查动词;根据语境April 22 nd is World Earth Day,It is a da...