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第66题readthefollowingstatementandwriteanessayonit．inyouressay，youshould1)stateyouropinion。and2)supportitwithexamples．
themanwhoreadswellisthemanwhothinkswell，whohasabackgroundforopinionandastandforjndgment．
youshouldwrite160～200wordsneatlyonanswersheet2．

第45题 it is difficult to send people to other planets because of__________．
[a]the lack of capacity of space exploration vehicles
[b]the financial expenditure involved in space travel
[c]controversial nature of space travel
[d]the uncertain future of space exploration

第44题 it is predicted that people who will live on other planets would have to__________．
[a]appreciate the harsh conditions they encounter there
[b]depend on the natural resources available there
[c]take most daily necessities along with them
[d]engage in scientific research

第43题 according to this text，piloted space missions will need to be__________．
[a]more exciting than earlier film versions
[b]supported by international organizations
[c]more cost-effective than they appear to be at present
[d]financed by inpidual governments

第42题 it can be inferred from paragraph 2 that human society will become increasingly__________．
[a]worried about life on other planets
[b]dependent on space tourism
[c]accustomed to long-distance flights
[d]associated with space exploration

第41题 a flight to other solar systems will be made nlore possible by__________．
[a]technological breakthroughs
[b] international cooperation
[c]market competition
[d]public pressure

第50题 what is the theme of the text
[a]the causes of low-wage problems．
[b]the inequality of workers’pay．
[c]the improvement of the rates of pay．
[d]the economy and the rates of pay．

第49题 the term“unionization'’(line l，paragraph 5)refers to__________．
[a]mobilizing all workers to seize power
[b]gathering workers into an organized group
[c]working out strategies to raise workers’pay
[d]changing wage policies for women and minority men

第48题 according to paragraph 3，having a job__________．
[a]means earning a low wage
[b]has never provided a way out of poverty
[c]does not mean that the children will become rich
[d]may not be a guarantee for a poor family to become better off

第47题 according to paragraph 2，who are most likely to be poor
[a]women of color
[b]white women．
[c]men of color．
[d]white men．

第46题 during the l980s，women started to play a more important role in__________．
[a]demanding political rights
[b]improving social welfare
[c]supporting the family
[d]earning better wages

符合诊断要求的X线照片密度是

• A、0.1～0
• B、0.15～5
• C、0.2～2.0
• D、0.25～2.0
• E、0.25～2.5

第55题 it can be inferred from the last paragraph that___________．
[a]many blacks are prepared for leadership
[b]du bois was in favor of “elite education”for blacks
[c]washington and du bois had never been friends
[d]only the top lo percent are worth educating

第54题 which of the following statements is true according to the text
[a]washington would not appreciate the idea of overthrowing social order．
[b]racial separation is an outcome of accommoda tionist ideology．
[c]washington would not support determined activist leadership．
[d]the philadelphia negro is a book on blacks in american south．

第53题 it is du bois’s belief that___________．
[a]the blacks have a priority in terms of education
[b]higher education should be free for all races
[c]everyone has an equal right to education
[d]development in education should be gradual

第52题 according to the text，du bois worked as all of the following except___________．
[a]an editor
[b]an educator
[c]a scholar
[d]an official

第51题 compared with b．t．washington，du bois’ political stand was___________．
[a]less popular
[b]imore radical
[c]less aggressive
[d]more conservative

妊娠囊的双囊可能是①双胎妊娠；②流产受阻或植入性出血；③枯萎卵；④两层蜕膜之间的无回声区

• A、①
• B、①②④
• C、①②③
• D、①②③④
• E、①②④

第60题 the author’proposal differs from the immigration and naturalization act of l990 in___________．
[a]the kind of green card
[b]the amount of investment capital
[c]the budget for the whole process
[d]the certainty of issuing green cards

第59题 smaller enterprises have difficulty using foreign talent because of___________．
[a]the costly recruiting process
[b]the expensive legal counsel
[c]the competition from big companies
[d]the inability to provide sponsorship