选课程 
- 选课程
- 查院校
- 查专业
- 找资讯
400-108-7500
段1
①Think of those fleeting moments when you look out of an aeroplane window and realise that you are flying, higher than a bird. ②Now think of your laptop, thinner than a brown-paper envelope, or your cellphone in the palm of your hand. ③Take a moment or two to wonder at those marvels. ④You are the lucky inheritor of a dream come true.
段2
①The second half of the 20th century saw a collection of geniuses, warriors, entrepreneurs and visionaries labour to create a fabulous machine that could function as a typewriter and printing press, studio and theatre, paintbrush and gallery, piano and radio, the mail as well as the mail carrier. ②Not only did they develop such a device but by the turn of the millennium they had also managed to embed it in a worldwide system accessed by billions of people every day.
问： C选项Not only did they develop such a device...中的they指代上文中的哪部分内容？
A : a collection of geniuses... visionaries
B : those fleeting moments when
C : a typewriter and printing press... mail carrier
查看答案和解析【26考研辅导课程推荐】：26考研集训课程,VIP领学计划,26考研VIP全科定制套餐（公共课VIP＋专业课1对1） , 这些课程中都会配有内部讲义以及辅导书和资料，同时会有教研教辅双师模式对大家进行教学以及督学，并配有24小时答疑和模拟测试等，可直接咨询在线客服老师领取大额优惠券。
启航教育热门私房课
MORE
