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done if,or when,someone decides to try.It certainly brings mindful of such worries.Despite those concerns,the potential benefits outweigh the risks.Such research should always bedone cautiously,and properly monitored.But it should also be encouraged,because the rewards it bringscould turn out to be significant.Chimeric embryos could lead to new treatments for born diseases.Thisparticular bit of research was inspired by a desire to grow human organs in the bodies of animals,fromwhere they could eventually be used for transplants.The best way to ensure that such research can proceed is to talk about it with the public,not justamong scientists and experts.If dramatic demonstrations of this kind of scientific advance take people bysurprise,they are likely to create a strong resistance.Scientists should also work to ensure thatinternational rules are reasonably followed.History offers grounds for optimism.Many biological technologies that were at first accused ofthoughtless playing with the natural order of things ended up proving much less frightening in practicethan they once seemed in theory.Genetically modified()crops caused street protests and severewarnings about "Frankenfoods".Billions of meals later,the technology has proved both safe and effective.32.Which of the following can be an example of the power in paragraph 2?A.To produce a human-pig organ.B.To manufacture robots for fighting.C.To send man-made satellites into space.D.To create genetically modified crops for food.33.What attitude does the author have towards chimeras?A.Quite hesitant.B.Completely satisfied.C.Totally opposed.D.Cautiously optimistic.34.What is key to keeping chimeras research going on?A.Making the experts do their professions.B.Setting and following the international rules strictly.C.Keeping the research procedure open with the public.D.Doing the research secretly before they are successful.35.Why does the author write about genetically modified crops?A.To show the general people are right usually.B.To prove chimeras may not be so bad as people now think.C.To introduce another similar topic for further discussion.D.To conclude the bright future of the biological technologies.英语试题（全国卷）第8页（共12页）版权声明：本试题卷为华中师范大学出版社正式出版物，版权所有，盗版必究。