人教版高二英语必修四作业本答案参考

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Unit 1 ①
Ⅰ．1．welfare 2．condition 3．specialist 4．devote 5．institute 6．campaign
Ⅱ．1．achieved 2．devoted 3．connection 4．organized 5．specialize
Ⅲ．1．to 2．between 3．with 4．in 5．to