Question

Many people have been ill from a strange disease these days, _____ we’ve never heard of before.

1. A.
   it
2. B.
   that
3. C.
   one
4. D.
   this

Answer 1

C
试题分析：考查代词。A. it 代指同类同物B. that 特指上文的可数名词单数，或不可数名词，C. one 泛指上文的可数名词单数，D. this指代下文：one是指代词，指代a strange disease，用作同位语。句意：最近很多人得了奇怪的病，一种我们以前从没听过的病。选C。
考点：考查代词
点评：代词考查的重点是代指的数量，特指还是泛指，做题是结合上下文找到指代的事物，进行判断。