完形填空

　　41.B 42.C 43.A 44.C 45.A 46.D 47.C 48.D 49.B 50.A

　　51.A 52.B 53.D 54.C 55.D 56.B 57.A 58.C 59.D 60.B

　　任务型阅读

　　71. move, 72. history, 73. increasing, 74. richer/wealthier, 75. Reasons,

　　76. majority, 77. related/linked, 78. for, 79. climate, 80. tendency/phenomenon/trend