阅读与表达：阅读下面一组“失物招领”广告，回答下列问题。

       What do you do at the weekend ? Some people like to stay at home and rest. Others think出去散步对他们的健康有好处(1)My friend Jack works very hard from Monday to Friday. At weekends he

always does the same things. On Saturday he washes his car and on Sunday he takes his family to a village(村庄) far from his house. His uncle and aunt live there, so Jack goes to see them every week. They have a big farm and only one worker to help them, so they are usually very busy. Jack often asks his family to

help them. The children give the animals food. Jack and his wife work in the fields. After a long hard day of work, they are very tired and hungry(2).So Jack’s uncle gives them a nice meal. After that about five,

they drive home.            

划线句子中英文互译

1.                                                       

2.                                                       

3. What does Jack do on Saturday?

4. How many workers help Jack’s uncle and aunt do the farm work? 

5. When do they drive home?

()是指企业通过扩大规模，加强成本控制，在研究开发、生产、销售、服务和广告等环节把成本降低到最低限度，成为行业中的成本领先者的战略。

A．竞争战略

B．成本领先战略

C．差别化战略

D．集中化战略