9月30日每日词汇
1.linchpin['lɪn(t)ʃpɪn]n. 关键（等于lynchpin）；制轮楔；轮辖
2.crow[krəʊ]vi. 啼叫；报晓 得意洋洋的
3.be on the rise呈上升趋势
4.prosperous['prɒsp(ə)rəs]adj. 繁荣的；兴旺的
5.ease the economic pinch 缓解经济压力
6.instructive[ɪn'strʌktɪv]adj. 有益的；教育性的
7.counterpart['kaʊntəpɑːt]n. 副本；配对物；极相似的人或物
8.declare war on poverty向贫困宣战
9.plagiarism['pleɪdʒərɪz(ə)m]n. 剽窃；剽窃物
10. There is a growing tendency these days
for many people who live in rural areas to come into and work in city. This
problem has caused wide public concern in most cities all over the world.
农民进城打工正成为增长的趋势，这一问题在世界上大部分城市已引起普遍关注。
