简答题
初级
2014-03-20
Reason for cycling:
By the year (16)__________ more than (17) __________ people will live in cities.
Advantage of bikes:
(i) Classic design hasn't change very much within the last (18)
(ii) It's (19)__________, reliable and (20)__________ friendly.
(iii) The lightest one is only (21)__________kilos.
Popularity:
About (22)__________percent of people in German use bikes.
(16)__________
参考答案
暂无
答案解析
2025。由“By the year 2025 more than 5 billion people．——half of humanity--——will live in cities．”可知到2025年，大约有一半人 类——超过50亿人居住在城市，由此可知。