27.point out 指出
28.think twice 重新考虑
29.believe in 相信；信仰
30.set off for... 出发，动身到……
31.be accustomed to 习惯于……
32.on all fours 匍匐，趴着
e to a decision 决定下来
e to an agreement 达成一致；达成协议
e to a conclusion 告终；下结论
36.take up 拿起；着手处理；开始（从事于）
Ⅱ.重点句型
1.Not all ads are used to promote a product or to increase a company’s profits.（部分否定）
2.Good advertisements make it possible for companies to introduce new products and increase sales.（make 后接复合宾语）
3.Some companies prefer a well-known word，while others choose names from old stories or legends.（注意该并列连词的词义及用法）
4.It is possible that the reader or viewer will remember the advertisement but not the name of the product.
5.In the 1960s，a British car company which made very expensive cars was about to sell its latest car in Germany.