_____, I will help you with your work.

(2014·日照模拟)The young man was modest and worked hard，and gradually managed to________his status

It was in the lab _____ was taken charge by Professor Wang ______ they did the experiment.

依次填入下列各句横线处的成语，最恰当的一组是（ ）①_______________，有言必践，传送着中国的极大诚意，展示了一个负责任大国的襟怀，赢得了世贸成员和国际舆论的佳评。②出了事故，首先应调查原因。“没有调查就没有发言权”，这是决策的科学化问题。古今之市领导，似乎还在车上，就作出重大决定了。而且_______________，权重如天。③在推销的过程中，应该认真准备，力求表达得精炼准确，_______________ ，以达到最佳效果。

It’s reported that the price of meatthis month is ______ that of last month.