GWD语法题

Xiaotongdi

Sulfur dioxide, a major contributor to acid rain, is an especially serious pollutant because it diminishes the respiratory system’s ability to deal with all other pollutants.

1. an especially serious pollutant because it diminishes the respiratory system’s ability to deal
   
2. an especially serious pollutant because of diminishing the respiratory system’s capability of dealing
   
3. an especially serious pollutant because it diminishes the capability ofthe respiratory system in dealing
   
4. a specially serious pollutant because it diminishes the capability ofthe respiratory system to deal
   
5. a specially serious pollutant because of diminishing the respiratory system’s ability to deal
   答案是A，可是为什么不是C？
   

moremildseven

.....额 这个to do 并不是表目的的丫 就是中国人常说的固定搭配 be able to do 或者 regret to do 等等 这些to do 都不是表目的的 正是因为后面跟的是In 所以C才错了丫

Xiaotongdi

但是后面有一个 in 吖！如果是 to do 的话，不就是表示目的了吗？求救求救！

moremildseven

额 capability of doing 吧 而且 在MANHATTAN上 capability  of doing 是一种suspected的说法