14. A) There's no one willing to work on this committee.

　　B) No one is willing to work with them.

　　C) The man knows several people on the committee.

　　D) The man should be on the committee.

　　15. A) The man will probably do the woman a favor.

　　B) It was just half an hour ago that the man met Mr. Smith.

　　C) The woman forgot to write own the phone number.

　　D) The woman needed a sheet of paper to put down the number.

　　16. A) He feels sorry for those students.

　　B) He thinks it right to punish those students.

　　C) He thinks those students should be expelled from college.

　　D) He thinks the punishment is too severe.

　　17. A) She has to think about it.

　　B) The fish is safe to eat.

　　C) The man shouldn't eat the fish.

　　D) She doesn't like fish.

　　18. A) Short hair looks fashionable.

　　B) Short hair is more comfortable.

　　C) Short hair looks nicer.

　　D) She doesn't have an air conditioner.

　　Questions 19 to 22 are based on he conversation you have just heard.

　　19. A) Proteins.

　　B) Genes.

　　C) Gene therapy.

　　D) Genetic disorders.

　　20. A) Proteins.

　　B) Cells.

　　C) Nerves.

　　D) Genes.

　　21. A) The gene therapy is very essential to human body.

　　B) The gene therapy is to alter cellular structures.

　　C) The gene therapy is to correct imperfect genes.

　　D) The gene therapy is to cure all human diseases.

　　22. A) The gene therapy has gone through the experimental stage.

　　B) The gene therapy is still in its trial stage.

　　C) The gene therapy has proven very successful so far.

　　D) Many patients have benefited from the gene therapy.