四 15选10部分

　　47 N) tend

　　48 L) negative

　　49 H) efficiently

　　50 B) associated

　　51 A) alert

　　52 D) function

　　53 F) definitely

　　54 O) younger

　　55 E) continuing

　　56 G) different

　　五 仔细阅读部分

　　57 D) Interracial lodging may have diverse outcomes

　　58 D) Being surrounded by white peers motivates a black student to work harder to succeed

　　59 C) Roommates of different races just don’t get along

　　60 D) The school randomly assigns roommates without regard to race

　　61 B) It is unscientific to make generalizations about it without further study

　　62 B) Rates of death from illnesses have risen due to global warming

　　63 A) It was challenged by some climate and risk experts

　　64 B) It is invalid in terms of methodology

　　65 D) Its rough estimates are meant to draw the attention of world leaders

　　66 D) How rich countries can better help poor regions reduce climate hazards

　　六 完形填空部分

　　67 D ) to

　　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

　　七 翻译部分

　　87. nor did they make any explanation/ nor did they explain why

　　88. could be assigned to another task

　　89. at the risk of his own life/ risking his own life

　　90. it turned out that his assistant answered the phone/ it was his assistant who answered the call。

　　91. his father talked/ persuaded him into