一、
1.discouraged 2.privilege 3.inhabit 4.tiresome 5.emergency 6.befriended 7.reliability 8.depressing 9.obscure 10.absence
二、
1．Although the professor explained his point in great detail，many students still failed to understand. 2．Expect for one minor illness，he seemed to be in excellent health. 3．The campaign aims to raise people's awareness of the danger of smoking. 4．The meaning of the passage is obscure. 5．I cannot write without inspiration.
6．Can you imagine me swimming across that river? 三、 A.
1．dead 2．Their 3．were saying 4．could 5．harder 6．to 7．the 8．who 9．of
10．encouraging B.
1．exciting 2．most 3．adventure 4．hiking 5．up to 6．out of 7．Drove 8．actually 9．so
10．even though 四、
1---20 ADBCD DAACD BABCD DBACC 五、
1---4 DDAB 六、
Obama said，“This time has to be differently.This time we cannot fail，so can we be happy simply because the
differentnorprice at the pump has gone down from.”Obama's choices was welcomed by environmentalists whose said they
werewhoshowed he was serious about fighting global warming and about move toward more“green”jobs.Obama's energy
movingand environment team will also be charging with developing policies to reduce carbon emissions.He said his
chargednomination (提名)of Chu should send an signal∧ his administration will“value science”．“We will take
aandmakedecisions based on the facts，and we understand that facts demand brave action，”Obama added.
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