Although scientists have______long the human appendix as______organ, there is a growing body of evidence indicating that the appendix does in fact have a significant function as a part of the body's immune system.（）
A: overestimated … a minor
B: discounted … a vestigial
C: valued … a major
D: ignored … a pivotal
E: studied … an inaccessible
A: overestimated … a minor
B: discounted … a vestigial
C: valued … a major
D: ignored … a pivotal
E: studied … an inaccessible
举一反三
- Although scientists have______long the human appendix as______organ, there is a growing body of evidence indicating that the appendix does in fact have a significant function as a part of the body’s immune system. A: (A) overestimated … a minor B: (B) discounted … a vestigial C: (C) valued … a major D: (D) ignored … a pivotal E: (E) studied … an inaccessible
- 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.
- Any body part or function can contract a ____or have a disorder.
- Inthe__________ofproposals,youshouldreemphasizeneedandfeasibilityandencourageaction. A: introduction B: body C: conclusion D: appendix
- Inthe__________ofproposals,youshoulddemonstratetheneedfortheproject,yourqualificationsfortacklingtheproject,andyourclearunderstandingofwhatneedstobedoneandhowtoproceed. A: introduction B: body C: conclusion D: appendix