Unit14 Careers lesson 4 & Culture Corner【教学目标】1、学习并掌握重点单词、短语、句型 2 会分析复杂结构的句子，正确理解句义3、提高学生的阅读理解能力【知识梳理】及【典型例题】1、keep up with 跟上，赶上（=catch up with ）,与、、、保持联系I know.She always tries to keep up with the latest trend(s)．是呀(我知道)。她总是尽可能赶上最新的流行趋势。 keep back 阻止；隐瞒；保持距离keep in touch with...与……保持联系keep off 避开；不接近keep on 继续keep out 挡住；不进入；留在外边keep up 保持，维持；沿袭We couldn't keep back our tears.我们抑制不住自己的眼泪。She always advises me to keep out of other people's quarrels.她(总是)建议我不要卷入别人的争吵。Why do the dogs keep on barking?这些狗为什么不停地叫？ catch up with 赶上当堂检测 用 keep 的短语填空1、Please ________the dog ________the livingroom.2、He walked so fast that she couldn't ________him.2．decrease v．减少；降低You don't need to be Einstein to predict the job areas which will be most affected by such change.Jobs in farming，coal mining and heavy industry are decreasing rapidly.(教材 P28)即使你不是爱因斯坦，也能推测出哪些工作领域受这些变化的影响最大。农业、煤矿业和重工业的职位正迅速减少。The traffic accidents in the city decreased last year.该城市去年交通事故减少了。 ① decrease by...减少了……② decrease to 减少到……decrease from...to...(数量等)从……减少到……②decrease n．减小；减少(量)a decrease in ……的减少on the decrease 在减少The club members decreased to two hundred.该俱乐部的会员减至 200 人。The average house prices increased by 13% last year.去年，平均房价上涨了 13%。There's a decrease in the annual birth rate.年出生率下降了。【提示】 介词 by 表示增减的幅度；介词 to 表示增减的结果。当堂检测 完成句子①The number of students________(已减少到)1,000.②The unemployment________(已减少了)30 percent.【答案】 ① has decreased to ② has decreased...
