2015
高考英语四川西昌市一轮训练（1）（答案）
完形填空。阅读下面短文，掌握其大意，然后从各题所给的四个选项a、b、c和d中，选出最佳答案。
report was published about what the earth might be like 20 years from then on. the report was a result of a three-year ___1___. according to the report, the picture of the earth in the
