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2011年12月大学英语四级完形填空训练：练习6

来源：育路教育网发布时间：2011-12-07

　　练习六
　　Directions: There are 20 blanks in the following passage. For each blank there are four choices marked A), C), B) and D) on the right side of the paper. You should choose the ONE that best fits into the passage. Then mark the corresponding letter in the Answer Sheet with a single line through the center.
　　The use of nuclear power has already spread all over the world. 1 , scientists still have not agreed 2 what should be done with the large amounts of waste material that 3 to increase every year.
　　Most waste materials are 4 of simply by placing them somewhere. But nuclear waste must be 5 with extremely great care. It 6 dangerous radiation and it will continue to be 7 for hundreds, thousands, even millions of years.
　　How should we get 8 of such waste material in such a way 9 it will not harm the 10 ? Where can we possibly 11 distribute it? One idea is to put this radioactive waste inside a thick container, which is 12 dropped to the bottom of the ocean. 13 some scientists believe that this way of 14 nuclear waste could kill fish and other living things in the oceans or interfere 15 their growth. Another way to 16 nuclear waste is to send it into space, to the sun, 17 it would be burned. Other scientists suggest that this polluting material should be 18 thousands if meters under the earth’s surface. Such underground areas must be free 19 possible earthquakes. Advances are being made. But it may still be many years 20 this problem could be finally settled.
　　1. A)Moreover B) Therefore　C)However D)Otherwise
　　2. A)on B)to C)with D)in
　　3. A)incline B)tend C)start D)keep
　　4. A)drained B)discharged C)dumped D)disposed
　　5. A)dealt B)coped C)handled D)processed
　　6. A)drops off B)leaves off C)gives off D)sets off
　　7. A)efficient B)deadly C)unfavorable D)painful
　　8. A)touch B)grasp C)hold D)rid
　　9. A)so B)that C)which D)thus
　　10. A)environment B)location C)situation D)residence
　　11. A)reasonably B)regularly C)rationally D)safely
　　12. A)then B)ever C)even D)only
　　13. A)And B)Still C)But D)Thereby
　　14. A)scattering B)containing 　C)preserving D)discarding
　　15. A)in B)against C)with D)at
　　16. A)remove B)transport C)deliver D)spread
　　17. A)where B)there C)when D)while
　　18. A)covered B)buried　 C)deposited D)reserved
　　19. A)from B)for C)of D) about
　　20. A)until B)before C)after D)unless

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