填空题 An organ (is) a group (of tissues) capable (to perform) some special function, as (for example), the heart, the liver, or the lungs.
  • A. is
  • B. of tissues
  • C. to perform
  • D. for example


  • 1、
【正确答案】 1、C    
【答案解析】将to perform改为of performing。be capable of doing是固定搭配，意为“能胜任某事”。该句意思为“器官，比如心脏、肝脏、肺等，由一群生物组织构成，能完成某些特殊功能”。