文档介绍
1.succeed,success,successful, successfully 2.wide,widely, width 3.protect,protection 4.weigh,weight 5.deep,depth 6.freeze,freezing 7.French, Frenchman,France 8.introduce, introduction 9.hurry,hurried, hurriedly 10.ancient 11.modern 12.invent,invention,inventor 13.believe, believable, unbelievable 14.society,social 15.perform,performance 16.collect,collection,collector 17.Germany,German,Germans 18.safe,safety,safely 19.memory, memorize 20.honest,dishonest, honesty 1.as far as 2.run along 3.southwestern part 4.freezing weather condition 5.achieve/realize,dream 6.remaining forest 7.an,full, treasures 8.interested,science, technology 9.study abroad 10.a couple of 11.quarters/ fourths, population 12.have difficulty /trouble/problems doing 13.natural environment 14.close to, equator 15.sweet mem