四级Either side of a person infected with flu, as well as those sitting one roe in font of or behind this individual, had about an 80 person chance of getting sick.
感染流感的人的任何一侧,以及坐在这个人前面或后面的人,都有大约80人患病的机会。
2019年12月四级真题(第一套)阅读 Section A
未经许可,严禁转发。QQ交流群:688169419