2. 人比较容易记忆相关的事物和知识。
3. 重复、重复、重复有助于长期记忆，学习相关的知识能以一种不枯燥的方式重复学习。
大家要用好关联记忆，将新学的知识和旧的知识关联，非常有助于记忆，这样事半功倍。英语口语学习特别适合关联学习。
例如：“View in four seasons”这个口语主题，学这2个方面：
Interpret information about weather conditions
Identify or describe the surrounding information-colors
这个口语主题涉及到谈论天气，学完了就不意味着结束，还可以继续自己扩展：
1. 扩展句型
What's the weather like?/How is the weather today?
It is fine./It is very bright./It's bright and sunny.
It's raining/cloudy/snowing/foggy/windy/humid/muggy.
It's hot/cool/cold/freezing cold/It's 30 degrees.
Horrible weather we're having./What awful weather we have been having
It's getting hot/cold.
2. 扩展词汇搭配（English Collocation)
scorching hot，pouring with rain，rain heavily，thick clouds
3. 扩展动词词组
clear up,warm up,cool down，pour down
