GWD26-17

xiangrui

17. GWD-26-Q17

Responding to the public’s fascination with-and sometimes
  undue alarm over-possible threats from asteroids, a scale
   developed by astronomers rates the likelihood that a particular asteroid or comet may collide with Earth.

 

 

A.      a scale developed by astronomers rates the likelihood
  that a particular asteroid or comet may

 

 

B.       a scale that astronomers have developed rates how
  likely it is for a particular asteroid or comet to

 

 

C.      astronomers have developed a scale to rate how likely
  a particular asteroid or comet will be to

 

 

D.      astronomers have developed a scale for rating the
  likelihood that a particular asteroid or comet will

 

 

E.       astronomers have developed a scale that rates the
  likelihood of a particular asteroid or comet that may

答案是C，但我选了D

D错在哪里？ 谢谢！~~

 

gmaeeor

for rating不如to rate

xiangrui

为什么会有这样的说法？

fangzep

同问,为什么选how likely，而不选likelihood阿？还有，关于to do 和for doing 不是每一次都选择to do 的，总是不确定答案是什么，有没有人可以帮忙解释一下呢，谢谢~~