英语四级
单选题
A．shorter
B．better
C．longer
D．nicer
参考答案：C进入在线模考
【解析】选[C]。语义衔接题。此句中的periods不能用[B]better“更好”和[D]nicer“更美好的”来修饰，故排除。上段中提到changed every week(工人一周倒一次班)，而空后提到0n each shift，a month，or even three months，即作者提出的解决办法就是一个月或三个月倒一次班，与一周倒一次班相比，周期更长，[C]longer“更长”符合语义。
最新试题
至 第 56 题 Section A Directions: In this sec
类型：填空题2018-05-10
泰山位于山东省西部。海拔1500余米,方圆约400平方公里。泰山不仅雄伟壮观,而且是一座历史文化
类型：简答题2017-12-16
what does dutt aim to do with her study?
类型：单选题2017-12-16
What did dutt and her colleagues do with the more than 1, 2
类型：单选题2017-12-16
What do the studies find about the recommendation letters f
类型：单选题2017-12-16
what do studies about men and women in scientific research
类型：单选题2017-12-16
Passage two Questions are based on the following passage
类型：单选题2017-12-16
what does professor leonard hayflick believe?
类型：单选题2017-12-16
what do we learn about the medical community?
类型：单选题2017-12-16
what does alex zhavoronkov think ofdescribing aging as a di
类型：单选题2017-12-16