[解析]
Online learning providesaexcellent choice for us students who are unable to attend classes duringregularlyhours. It meetsyourneeds with a teacher on the scheduled time. Connecting the Internet, we can take online courses onequipmentssuch as mobile phones. It is also of great use to thosewhomwould like to take additional lessons. The distance educationoffera platform of communication to both teachers and studentsparticipatedin courses.Even if we don't have time to sit at a desk,andwe can learn conveniently. When wehada problem, we can easily work it ∧ with the help of the teachers online.
详解:
1. a改为an.考查冠词.句意:在线学习为我们这些无法在正常时间上课的学生提供了一个极好的选择.excellent为元音音素开头的单词,应用不定冠词an.故|a改为an.
2. regularly 改为regular.考查形容词.句意:在线学习为我们这些无法在正常时间上课的学生提供了一个极好的选择.形容词修饰名词hours作定语.故将regularly改为regular.
3. your改为our.考查形容词性物主代词.句意:它在与老约定的时间方面可以满足我们的需要.结合语境可知,文章人称为第一人称.故将your改为our.
4. equipment改为equipments.考查名词.句意:通过互联网,我们可以学习手机等设备的在线课程.equipment,意为"设备;装备",不可数名词.故将equipments改为equipment.
5.whom改为who.考查定语从句.句意:它对那些想要学习额外课程的人也很有用.分析可知,those之后为其定语从句,先行词those在从句中作主语,应用关系代词who引导.故将whom改为who.
6. offer改为offers.考查主谓一致.句意:远程教育为参与课程的教师和学生提供了交流的平台.句子主语为"the distance education",为第三人称单数,因此谓语应用第三人称单数形式.故offer 改为 offers.
7. participated改为participating.考查现在分词做定语.句意:远程教育为参与课程的教师和学生提供了交流的平台."participate in courses"应是之前名词短语"teachers and students"的后置定语,与其之间为主动关系,应用现在分词.故将participated改为participating.
8. 去掉and.考查句子结构和连词.句意:即使我们没有时间坐在书桌前,我们也可以很方便地学习."Even if we don't have time to sit at a desk, and we can learn conveniently."中even if引导让步状语从句,主句为we can learn conveniently ,无需连词and连接.故将and删掉.
9. had改为have.考查时态.句意:当我们有问题的时候,我们可以很容易地解决它在网上老师的帮助下.结合句意和语境可知,本文使用一般现在时.故将had改为have.
10.it后加out. 考查固定短语.句意:当我们有问题的时候,我们可以很容易地解决它,在老师的帮助下.work out,固定结构,"解决:算出",代词寅格形式应放在短语中间.故在it后加out.