M 3 Unit 5 Canada-"The True North"

Section I words and Expressions

Task I 借助所给例句提供的语境，体验、理解以下核心单词和短语的含义，并通过

合作、探究，使用词典等手段，归纳出其主要用法，并能在合适语境下恰当使用它们。

1. chat vi. talk in a friendly informal way, especially about things that are not important (chatted; chatted; chatting)

n. an informal friendly conversation含义：______

【观察】

(1) On the way to the station, he chatted about their trip. 词性：______结构：______

(2) My kids spent hours chatting about the World Cup with each other on the phone to their friends. 词性：______结构：______

(3) I had a long chat with her favorite movies. 词性：______结构：______

【拓展】chat可以用作动词和_______; chat是______(及物/不及物)动词；chat是重读闭音节，故其过去式，过去分词，及现在分词均需__________; chat with sb. about sth._____________.

【练习】

1）The two friends ___________ about their experience.

2）The two friends sat in a corner , ___________ about their experience.

3）They dropped in for a ____________ last night.

2. surround vt. /vi. be all around someone or something on every side含义：______

【观察】1）It is Canada's most beautiful city, surrounded by mountains and the Pacific Ocean.

2) Tall trees surround the lake. 结构：______含义：______

3) After the meeting he was surrounded by a crowd of reporters. 结构：______含义：______

【拓展】1) surrounding adj. 含义：______2) surroundings n. 含义：______

surroundings用作名词表示"环境", 常用___________（单数/复数）。

【练习】1) When John came back to himself, he found himself ___________ by his fans.

2) She sat on the grass with her students _________ herself.

3. mix vt. /vi. combine two or more different substances含义：______

【观察】1) The families are usually mixed up. 词性：______结构：______

Oil and water do not mix. 词性：______结构：______