11. The union representative put across her argument very effectively
A explained B invented
C considered D accepted
12. He talks tough but has a tender heart.
A heavy B mild
C kind D wild
13. It is no use debating the relative merits of this policy.
A making 　B taking
C discussing D expecting
14. Our statistics show that we consume all that we are capable of producing
A waste B buy
C use D sell
15. The fuel tanks had a capacity of 140 liters.
A functionB ability
C power　D volume

11. A12. C13. C14. C15. D