2. 外语
  3. Total color blindness, ______, is the result of a defect in the retina.

Total color blindness, ______, is the result of a defect in the retina.

admin2013-10-18  61
问题 Total color blindness, ______, is the result of a defect in the retina.
选项 A、a rare condition that
B、a rare condition
C、that a rare condition
D、is a rare condition
答案B
解析 同位语结构题。本句已有的部分结构完整，补充部分可以是名词或名词词组作主语的同位语，四个选项中只有[B]正确。
转载请注明原文地址:https://kaotiyun.com/show/EUGK777K
0

专业英语四级

相关试题推荐
随机试题
最新回复(0)