Please match the words with their proper meanings.
1．debate A．cause (a machine, etc.) to work; control
2．flow B．duty for which a person is responsible
3．greedy C．things that are produced to be sold
4．credit D．to discuss sth., especially formally, before making a decision or finding a solution
5．quantity E．the steady and continuous movement of sth. in one direction
6．goods F．wanting more money, power, food, etc. than you really need
7．operate G．praise or approval because you are responsible for sth. good that has happened
8．responsibility H．an amount of or a number of sth.
答案：1～5 DEFGH 6～8 CAB
