职称英语理工类完形填空自测题

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职称英语理工类完形填空自测题

　　在日常学习和工作中，我们经常接触到试题，试题是学校或各主办方考核某种知识才能的标准。还在为找参考试题而苦恼吗？以下是小编帮大家整理的职称英语理工类完形填空自测题，希望对大家有所帮助。

职称英语理工类完形填空自测题

　　职称英语理工类完形填空自测题

　　From the beginning, water has furnished供给 man with a source of food and a highway to travel upon. The first _______1_______ arose where water was a dominant element in the environment, a challenge to man’s ingenuity. The Egyptians invented the 365-day calendar日历, 历法 ____2_____ the Nile’s annual flooding. The Babylonians, who were among the most famous law-makers in ancient times, invented laws __3____ water usage. Water inspired the Chinese to build a 1,000-___4____ canal, a complex system which, after nearly 2,500 years, remains still practically __5____ and still commands the astonishment of engineers. But the _____6___ never found complete solutions to their water problems. The Yellow River is also known_____7_____ “China’s Sorrow”; it is so unpredictable and dangerous ____8____ in a single flood it has caused a million ____9____. Floods slowed the great civilization of the Indus River Valley, and inadequate drainage ruined ___10_____ its land. Today water dominates _____11____as it always has done. Its presence continues to __12_____ the location of his homes and cities; its violent variability can __13___man or his herds or his crops; its routes links him__14____ his fellows; its immense value may ____15____ to already dangerous political conflicts. There are many examples of this in our own time.

　　1. A) governments B) cultures C) civilizations D)universities

　　2. A) in regard to B) in response to C) in case D)in spite of

　　3. A) regulates B)regulate C)regulated D) regulating

　　4. A) miles B) mile C) mile’s D) miles’

　　5. A) in use B) for use C) by use D) on use

　　6. A)villagers B) ancients C) farmers D) merchants

　　7. A) for B) by C) to D) as

　　8. A) that B) when C) because D) which

　　9. A) injuries B) deaths C) damages D ruins

　　10. A) a number of B) a couple of C) many of D) much of

　　11. A) woman B) women C) man D) men

　　12. A) govern B) control C) lead D)influence

　　13. A) move B) violate C) kill D) disappear

　　14. A) by B) on C) and D) to

　　15. A) increase B) add C) expand D) extend

　　职称英语理工类完形填空自测题：CellPhone Lets Your Secrets Out

　　Your cell phone holds secrets about you.Besides the names and numbers that you've programmed into it, ______traces____(51) of your DNA linger (遗留) on thedevice according to a new study

　　DNA is genetic (遗传的)material _____that_____ (52) appears in every cell. Like your fingerprint, yourDNA is _____unique______ (53) to you——unless you have an identical twin. Scientiststoday analyze DNA in blood, saliva (唾液), orhair left ____behind_______ (54) at the scene of a crime. The results oftenhelp detectives identify ____criminals______ (55) and their victims. Your cellphone can reveal more about you ____than_____ (56) you might think.

　　Meghan J. McFadden, a scientist at McMasterUniversity in Hamilton, Ontario, heard about a crime in which the suspect bledonto a cell phone and later dropped the____device_____ (57). This made herwonder whether traces of DNA lingered on cell phones一evenwhen no blood was___involved_____(58). She and colleague Margaret Wallace ofthe City University of NewYork analyzed the flip-open phones(翻盖手机)of10 volunteers. They used swabs (药签) tocollect _____invisible___ (59) traces of the users from two parts of the phone:the outside, where the user ____holds_____(60) it, and the speaker which isplaced at the user's ear

　　The scientists cleaned the phones using asolution made mostly__of____(61) alcohol. The aim of washing was to remove alldetectable traces of DNA. The owners got their phones back for another week.Then the researchers ___returned________ (62) the phones and cleaned each phoneonce more.

　　The scientists discovered DNA that _____belonged______(63) to the phone's speaker on each of the phones. Better samples werecollected from the outside of each phone, but those swabs also picked up DNAthat belonged to other people who had apparently also ____handed______ (64) thephone

　　Surprisingly, DNA showed up even in swabsthat were taken immediately after the phones were scrubbed. That suggests thatwashing won't remove all traces of ___evidence________ (65) from a criminal'sdevice. So cell phones can now be added to the list of clues that can clinch (确定)a crime-scene investigation.

　　51. A. name B.pictures C. shapes D. traces

　　答案：d

　　52. A. that B. while C.as D.what

　　答案：a

　　53. A. common B. good C. helpful D. unique

　　答案：d

　　54. A. behind B. away C. aside D.over

　　答案：a

　　55. A. visitors B. travelers C.scientists D.criminals

　　答案：d

　　56. A. until B. before C.unless D. than

　　答案：d

　　57. A. paper B. document C. device D.file

　　答案：c

　　58. A. checked B. involved C. tested D. gathered

　　答案：b

　　59. A. invisible B.emotional C. poisonous D. magical

　　答案：a

　　60. A. holds B. watches C. drops D. covers

　　答案：a

　　61. A. with B.by C. for D. of

　　答案：d

　　62. A. collected B. answered C. returned D. used

　　答案：c

　　63. A. moved B.changed C. belonged D.turned

　　答案：c

　　64. A bought B. repaired C.seen D. handed

　　答案：d

　　65. A. smell B. evidence C.sound D.color

　　答案：b

　　职称英语理工类完形填空自测题：Captain Cook Arrow Legend

　　It was a great legend while it lasted，but DNA testing has __1__ ended a two-century-old story of the Hawaiian arrow carved from the bone of British explorer Captain James Cook__2__ died in the Sandwich Islands’in 1779.

　　“There is __3__ Cook in the Australian Museum，’’museum collection manager Jude Philip said not long ago in announcing the DNA evidence that the arrow was not made of Cook’S bone.But that will not stop the museum from continuing to display the arrow in its__4__，“Uncovered：Treasures of the Australian Museum,” which__5__include a feather cape presented to Cook by Hawaiian King Kalani’opu’u in 1778.

　　Cook was one of Britain’s great explorers and is credited with__6__ the“Great South Land，’’__7__ Australia, in 1 770.He was clubbed to death in the Sandwich Islands，now HawaiiThe 1egend of Cook’s arrow began in 1 824 __8__ Hawaiian King Kamehameha on his deathbed gave the arrow to William Adams，a London surgeon and relative of Cook’s wife，saying it was made of Cook’s bone after the fatal__9 __ with islanders.

　　In the 1890s the arrow was given to the Australian Museum and the legend continued __10__ it came with science.

　　DNA testing by laboratories in Australia and New Zealand revealed the arrow was not made of Cook’s bone but was more __11__ made of animal bone。said Philp.

　　However, Cook’s fans __ 1 2 __ to give up hope that one Cook legend will prove true and that part of his remains will still be uncovered.as they say there is evidence not a11 of Cook’s body was __1 3 __ at sea in 1 779.“On this occasion technology has won"，”said Cliff Thornton，president of the Captain Cook Society, in a __14__ from Britain.“But I am __15__ that one of these days…one of the Cook legends will prove to be true and it will happen one day.’’

　　练习：

　　1. A. finally B. firstly C. lately D. usually

　　2. A. whose B. who C. which D. what

　　3. A. some B. none C. neither D. no

　　4. A. cinema B. exhibition C. shop D. market

　　5. A. must B. did C. has to D. does

　　6. A. discovering B. visiting C. traveling D. using

　　7. A. then B. now C. past D. previously

　　8. A. how B. where C. when D. that

　　9. A. conversation B. fight C. meal D. dance

　　10. A. however B. until C. after D. whenever

　　11. A. helpfully B. usefully C. likely D. readily