Question

Overpopulation is a terrible threat to the human race.Yet it is probably ____ a threat to the human race than environmental destruction.?

A．no more

B．not more?

C．even more

D．little more?

Answer 1

B    

  考查形容词比较级的用法。根据第二句中的Yet可知，这句话的意思是说虽然人口过多对人类是一个很大的威胁，可是它可能还没有环境污染对人类的危害大，由此可知B项符合语境。