(1)be disappointed with/at/by... 对......感到失望

　　be disappointed to do sth 做某事感到失望

　　(2)disappoint vt. 使失望

　　disappointing adj. 令人失望的

　　(3)disappointment n. 失望；令人失望的人或物

　　to one's disappointment 令某人失望的是......

　　①They were disappointed at the result of the game.

　　他们对比赛结果很失望。

　　②He was disappointed to see(see)she wasn't at the party.

　　看到她没有参加聚会，他感到失望。

　　③How disappointing(disappoint)! The match just began when it rained.

　　真令人失望！比赛刚刚开始就下雨了。

　　④To our great disappointment(disappoint)，it rained every day of the trip.

　　这次旅行天天下雨，让我们大失所望。

　　 cover vt.包含；涉及；覆盖；报道；行走；支付n.封面

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

　　美国中学通常包括六到十二年级这七个年级。

　　　写出下列句中cover的含义

　　①The books on the desk，whose covers are shiny，are prizes for us. 封面

　　②We will send the best journalists to cover the 2020 Olympic Games. 报道

　　③During the summer camp，the children will be instructed by the teacher to cover 30 miles a day. 行走

　　④As the price is rising，$100 a month can hardly cover the cost of his life in such a big city. 支付

　　⑤The review covered everything we learned last term. 包含，涉及

　　(1)cover...with... 用......盖住......

　　be covered with... 覆盖着......(强调状态)

　　be covered by... 被......覆盖(强调动作)

　　(2)cover an area of... 占地面积为