中间图

Or
  • 1199人已做

    600

    【句子改错SC】-8478-OG16

    Warning that computers in the United States are not secure, the National Academy of Sciences has urged the nation to revamp computer security procedures, institute new emergency response teams, creating a special nongovernment organization to take charge of computer security planning.

  • 642人已做

    650

    【句子改错SC】-8479-PREP07

    Less than 35 years after the release of African honeybees outside Sao Paulo, Brazil, their descendants, popularly known as killer bees, had migrated as far north as southern Texas.

  • 1066人已做

    600

    【句子改错SC】-8480-OG16

    A pioneer journalist, Nellie Bly’s exploits included circling the globe faster than Jules Verne’s fictional Phileas Fogg.

  • 578人已做

    650

    【句子改错SC】-8481-PREP07

    Nikola Tesla, the inventor of alternating current, because he was excited with the prospects of harnessing Niagara Falls for producing electric power, he predicted in the mid-1890's that electricity generated at Niagara would one day power the streetcars of London and the streetlights of P...

  • 1124人已做

    600

    【句子改错SC】-8482-OG16

    Retail sales rose 0.8 of 1 percent in August, intensifying expectations that personal spending in the July–September quarter more than doubled that of the 1.4 percent growth rate in personal spending for the previous quarter.

  • 758人已做

    600

    【句子改错SC】-8483-PREP07

    The airline company, following through on recent warnings that it might start reducing service, announced that it was eliminating jet service to nine cities, closing some unneeded operations, and it grounded twenty-two planes.

  • 1020人已做

    600

    【句子改错SC】-8484-OG16

    The commission has directed advertisers to restrict the use of the word “natural” to foods that do not contain color or flavor additives, chemical preservatives, or nothing that has been synthesized.

  • 1140人已做

    650

    【句子改错SC】-8485-OG16

    Plants are more efficient at acquiring carbon than are fungi, in the form of carbon dioxide, and converting it to energy-rich sugars.

  • 776人已做

    650

    【句子改错SC】-8486-PREP07

    The list of animals that exhibits a preference of either using the right or the left hand (i.e., claw, paw, or foot) has been expanded to include the lower vertebrates.

  • 1039人已做

    650

    【句子改错SC】-8487-OG16

    The Iroquois were primarily planters, but supplementing their cultivation of maize, squash, and beans with fishing and hunting.

雷哥GMAT题库特点
海量题库 针对性强 实时更新 名师解析

雷哥GMAT在线学习群:227047762

雷哥GMAT机经学习群:292380842

雷哥GMAT微信

微信公众号:LGclub

Chris老师:1746295647

最新被解答
  • 【逻辑CR】-10342

    A prominent investor who holds a large stake in the Burton Tool Company has recently claimed that the company&...

    320人做过-5条评论-47.2%正确率

  • 【问题求解PS】-9381

    For any positive integer n, the sum of the first n positive integers equals n(n+1)/2 . What is the sum&nb...

    222人做过-2条评论-72.5%正确率

  • 【问题求解PS】-12423

    A certain law firm consists of 4 senior partners and 6 junior partners.  How many different groups of 3&n...

    82人做过-3条评论-67.1%正确率

  • 【句子改错SC】-8556

    Rivaling the pyramids of Egypt or even the ancient cities of the Maya as an achievement, the army of terr...

    745人做过-2条评论-66.7%正确率

  • 【句子改错SC】-8475

    A surge in new home sales and a drop in weekly unemployment claims suggest that the economy might not be&...

    1136人做过-2条评论-70.6%正确率

  • 手机注册
  • 邮箱注册
登录>







关闭图标

标题图

  • 图标

    知识库学习

    GMAT语法、逻辑、阅读、数学各单项备考知识点学习及测验
  • 图标

    在线做题

    包含GMAT各单项必考知识点题目、OG/PREP/GWD/雷哥讲义题目、难度650/680/700/730题库题目练习及题目解析
  • 图标

    在线模考

    语文套题/数学套题/全套仿真模考,包含GWD/PERP/精选模考等上百套套题模考
  • 图标

    在线测评

    适合5种不同基础的GMAT学员,测评后可自动出具分数报告及复习计划指导
  • 图标

    资料下载

    GMAT必备备考资料下载、机经下载、课程课件等免费下载
  • 图标

    课程学习

    注册会员后,可在GMAT课程区,选择免费直播课程及公开课程进行在线学习
网络异常