在下面这些句子中，前半句已经给出，后半句只给出了关键词，根据

1)The Salespeople in a firm which produces pushchairs and Drams would be expectedto earnmore after the birth rate has risen.

2)If you are markering a service，you must make your prospective customers aware of the extent of your service and its benefits.

3)The Sales Manager of a firm making hearing—aids would be encour aged by the news that the death rate was falling.

4)As you haVe just started to shop with us，you may not be fully aware of all the services our shopping center offers.

5)The Marketing Manager of a travel agency specializing in holidavs in France would be pleased to hear of a reduction in air fares.

6)Oil company executives would not welcome the news that a substantial increase in the petrol tax was considered by the government.