问题
选择题
Rainforests __________ and burned at such a speed that they will disappear from the earth in the near future.
A．cut
B．are cut
C．are being cut
D．had been cut
答案
答案：C
考查时态及语态。句意：雨林正在以这样的速度被砍伐和烧毁，在不久的将来他们会在地球上消失。可知上文描述的是正在进行中的动作，雨林是cut的动作对象，故用被动语态，选C。