26. C It crashed when it was circling to land.
27. A He was kidnapped eight months ago.
28. A The management and union representatives reached an agreement.
29. B rainy
30. C Very few of them knew much about geology.
31. B By noting where the most severe earthquake in U.S. history occurred.
32. C Stop him when he had difficulty underst anding.
33. D It is a tool of communication among speakers of different languages.
34. D It has supporters from many countries in the world.
35. D It has had greater impact than in any other country.
Section C
36. intelligent
37. foundations
38. romantic
39. reflects
40. profound
41. dramatically
42. deprived
43. hindered
44. research shows that communicating with others promotes health, whereas social isolation is linked to stress, disease, and early death.
45. A group of researchers reviewed scores of studies that traced the relationship between health and interaction with others.
46. loneliness harms the immune system, making us more vulnerable to a range of miner and major illnesses.