选词填空

tend negative efficiently associated alert function definitelyyounger continuing different

仔细阅读

57 Interracial lodging may have diverse outcomes

58 Being surrounded by white peers motivates a black student towork harder to succeed

59 Roommates of different races just don’t get along

60 The school randomly assings roommates without ragard torace

61 It is unscientific to make generalizations about it withoutfurther study

62 Rates fo death from illnesses have risen due to globalwarming

63 It was challenged by some climate and risk experts

64 It is invalid in terms of methodology

65 Its rough estimates are meant to draw the attention of worldleaders

66 How rich countries can better help poor regions reduceclimate hazards

四级完形

67. B.through  68. C.specific  69. A.key  70. B.different  71. B.prevent  72. A.in  73. C.focus 74. A.over

75. C.rather

　　76. B.consumed

　　77. A.vital

　　78. C.amazed

　　79. B.contain

　　80. B.interact

　　81. C.on

　　82. D.up

　　83. B.Fill

　　84. C.avoid

　　85. D.doubt

　　86. C.impact