重点讲解：
1. agree to do sth. 同意；应允；答应；
He agreed to pay me for the drawings.
他答应向我支付这些画的钱nEzC#GD^~B=K3s7vULT。
2. bring forward 提出（观点）；提交（议案）；
Next month the Commission is to bring forward its first proposals for action.
下月该委员会将提出它的首批行动建议)b2t#7bDfZrCk~=5ny[。
3. purport to do sth. 声称；自称；标榜；
The book does not purport to be a complete history of the period.
本书无意标榜为那个时期的全史)^O_dUn(m;。
4. at the centre of 中心；核心；
At the centre of the inquiry has been concern for the pensioners involved.
调查的核心一直是对于牵涉其中的领取养老金者的关注b9~E_&Qw2wXEQEzU!(。