选择性必修第一册Unit5WORKINGtheLandⅠ.阅读单词(每小题1分，共13分)1．crisisn．(pl.crises)危机；危急关头2．characteristicn．特征；特...
练案[21]选择性必修第一册UNIT5WORKINGTHELANDⅠ.完形填空(20XX·淮南市三第一次模拟)Wehaveaproblemthatisdeeplyrootedinourworldtoday.Wh...
