C．American students are bored in long summer vacation

　　3．What's the main idea of the letter?

　　A．American school activities.

　　B．Summer vacation.

　　C．Information about American schools.

　　【答案】　1－3　C B C

　　(对应学生用书第10页)

　　1．cover vt.包含

　　Secondary school in the US usually covers seven years，grades six to twelve. (教材P9)

　　美国中学通常包括六到十二年级这七个年级。

　　They were hoping to cover 40 miles yesterday.

　　他们昨天计划走40英里。

　　He has to work in his spare time to cover his education fees.他必须在业余时间工作来支付他的学费。

　　All the reporters of CCTV­5 were sent to cover the 30th Summer Olympics Games in London.中央五套的所有的记者都被派去采访第30届伦敦夏季奥运会。

　　①cover...with...用......盖住......

　　be covered with...覆盖着(强调状态)

　　be covered by...被......覆盖(强调动作)

　　②cover an area of...占地面积为......