When the function of immune homeostasis is low, the body is prone to various neoplastic diseases.
举一反三
- Questions 19 to 21 are based on the passage you have just heard.19. A: The function of the human immune system. B: The cause of various auto-immune diseases. C: The viruses that may infect the human immune system. D: The change in people’s immune system as they get older.
- When the ____system does not function properly, a number of diseases can occur.
- Please choose the best answer fromthe four choices marked A),B),C) and D)for question 20. A: It can grow in drier soil. B: It is immune to various diseases. C: It will replace green tea one day. D: It is healthier than green tea.
- He was not ______ to dramatic overreactions and tried to take the long view. A: immune B: tolerable C: object D: prone
- Human body diseases vary in both ____and diversity.