12. Twins and relations like brothers and sisters tend to have similar intelligence because of the close blood relationship between them 13.B 15. The public have far too easy access to poisonous substances, and are, more often than not unaware of the risks involved 17.C 18. The mechanic regards the plane as somebody very dear to him; but he doesnt know how the plane functions unless it is flown by a pilot. Therefore, the pilot is an important figure in demonstrating the performance of the plane. The relationships are complex because of the interdependence upon each other 19.A 20.B 21. She did it with tact because she did not wish to make those who had remained in hospital feel sad and depressed 24. Mr. Warburton is rigid in observing social rules or forms of behavior, while Cooper seems to 27. Our behavior"refers to the rape and murder of the planet for economic gain in Western society 28.C 30. The main difference lies in the degrees of severity; long-term effects of radiation may cause more serious harm to h 31.B 32.C 33. Fear of death occupied his mind all the time 34.B 35.C 36. He is cautious about the results, and thinks that other studies should be conducted to prove whether these results are correct 39. People generally assume that caffeine is not harmful, but in fact it can become addictive, and it has negative effects in the treatment of alcoholism 41.A 42. Example one: people use "undertaker" to mean " funeral undertaker.2 10. B 11. D 12. Twins and relations like brothers and sisters tend to have similar intelligence because of the close blood relationship between them. 13. B 14. D 15. The public have far too easy access to poisonous substances, and are, more often than not, unaware of the risks involved. 16. C 17. C 18. The mechanic regards the plane as somebody very dear to him; but he doesn’t know how the plane functions unless it is flown by a pilot. Therefore, the pilot is an important figure in demonstrating the performance of the plane. The relationships are complex because of the interdependence upon each other. 19. A 20. B 21. She did it with tact because she did not wish to make those who had remained in hospital feel sad and depressed. 22. A 23. D 24. Mr. Warburton is rigid in observing social rules or forms of behavior, while Cooper seems to be the opposite. 25. D 26. C 27. “Our behavior” refers to the rape and murder of the planet for economic gain in Western society. 28. C 29. D 30. The main difference lies in the degrees of severity; long-term effects of radiation may cause more serious harm to human beings. 31. B 32. C 33. Fear of death occupied his mind all the time. 34. B 35. C 36. He is cautious about the results, and thinks that other studies should be conducted to prove whether these results are correct. 37. C 38. A 39. People generally assume that caffeine is not harmful, but in fact it can become addictive, and it has negative effects in the treatment of alcoholism. 40. D 41. A 42. Example one: people use “undertaker” to mean “funeral undertaker