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 function
B ability
C power
D volume
参考答案：11. A 12. C 13. C 14. C 15. D