白皮GRE课堂讲义 老罗的填空讲义 85道题注释:共21页, 红色为正确答案. 如果要打印做题呢, 就全选, 改成黑色就行了.强烈反对利用此资料盈利.此版整理自: http:/www.taisha.org/bbs/viewthread.php?tid=感谢原作者ffz. P53 填空题的出题原则continue remain 1. The techniques now available to livestock breeders will continueto be _, but will probably be _ by new ones under development. A. fruitful . reversed B. refined . upgraded C. inconvenient . reassessed D. used . supplemented E. harmless . improved2. Parts of seventeen
