職稱英語考試理工類完形填空習題
無論在學習或是工作中，我們最離不開的就是練習題了，只有多做題，學習成績才能提上來。學習就是一個反復反復再反復的過程，多做題。什么樣的習題才是好習題呢？下面是小編精心整理的職稱英語考試理工類完形填空習題，歡迎大家分享。
職稱英語考試理工類完形填空習題 1
完形填空(第1～15題，每題1分，共15分)
閱讀下面的短文，文中有15處空白，每處空白給出了4個選項，請根據短文的內容從4個選項中選擇1個最佳答案，涂在答題卡相應的位置上。
China to Help Europe Develop GPS Rival
China is to contribute to a new global satellite navigation system being developed by European nations. The Galileo satellite system will _____(1) a more accurate civilian alternative to the Global Positioning System (GPS), operated by the US military. China will provide 230m Euros in funding and will _____(2) with technical, manufacturing and market development.
A new center that will coordinate co-operation will be set _____(3) at Beijing University. China has a substantial satellite launch industry and could potentially help _____(4) the Galileo satellites.
The US has claimed that Galileo could interfere with the US with _____(5) to downgrade the GPS service during military conflicts. European officials say this is unfounded (無根據的.) and counter that US opposition is caused by the commercial challenge Galileo would present to GPS. Galileo will be _____(6) to within a meter, while the civilian GPS service is accurate to around 10 meters.
The Galileo satellite constellation (衛星集群) will consist of 27 operational and three reserve satellites _____(7) the Earth at an altitude of 23,600 kin. The satellites will be strung along three medium-Earth orbits at 56 degrees inclination (傾斜)_____(8) the equator (赤道) and will provide global coverage. The system should be _____(9) by 2008 and the entire project is expected to cost around 3.2 billion Euros……
The European Commission has said Galileo will _____(10) be used for transportation technology, scientific research, land management and disaster monitoring.
Galileo will provide two _____(11); a standard civilian one and an encrypted (把……編碼), wide-band signal called the Public Regulated Service (PRS). This second signal is _____(12) to endure localized jamming and will be used by police and military services in Europe.
The first Galileo satellite is _____(13) to launch late in 2004. Clocks on board the satellites will be synchronized (同步) through 20 ground sensors (傳感器) stations, two command centers and 15 uplink (上傳) stations.
Receivers on the ground will use time signals from the satellites to precisely calculate their _____(14). A =search and rescue" function will also let distress signals be _____(15) through the constellation of satellites.
1 A set B represent C offer D indicate
2 A cooperate B install C prevent D protect
3 A off B with C in D up
4 A broadcast B launch C put D use
5 A ability B service C system D channel
6 A open B likely C different D precise
7 A getting B considering C orbiting D improving
8 A to B in C along D beside
9 A operational B complex C advanced D cheap
10 A correctly B ironically C strangely D primarily
11 A channels B signals C directions D functions
12 A brought B taken C designed D protected
13 A told B scheduled C considered D allowed
14 A quality B colour C weight D location
15 A set B responded C transmitted D converted
參考答案：
1. C 2. A 3. D 4. B 5. A
6. D 7. C 8. A 9. A 10. D
11. B 12. C 13. B 14. D 15. C
職稱英語考試理工類完形填空習題 2
Avalanche (雪崩) and Its Safety
An avalanche is a sudden and rapid flow of snow, often mixed with air and water, down a mountainside. Avalanches are__________ (1) the biggest dangers in the mountains for both life and property.
All avalanches are caused by an overburden of material, typically snowpack (積雪場), that is too massive and trustable for the slope__________(2) supports it. Determining the critical load,the amount of over-burden which is __________ (3) to cause an avalanche, __________ (4) a complex task involving the evaluation of a number of factors.
Terrain slopes flatter than 25 degrees or steeper than 60 degrees typically have a low __________(5) of avalanche. Snow does not __________(6) significantly on steep slopes; also, snow does not__________(7) easily on flat slopes. Human-triggered (激發) avalanches have the greatest incidence(發生率) when the snows angle of rest is __________(8) 35 and 45 degrees; the critical angle, the angle at which the human incidence of avalanches is greatest, is 38 degrees. The rule of thumb (經驗法則) is: A slope that is__________(9) enough to hold snow but steep enough to ski has the potential to generate an avalanche, regardless of the angle. Additionally, avalanche risk increases with__________ (10); that is, the more a slope is disturbed by skiers, the more likely it is that an avalanche will occur.
Due to the complexity of the subject, winter travelling in the backcountry (人煙稀少的地區)is never 100% safe. Good avalanche safety is a continuous__________(11), including route selection and examination to the snowpack, weather __________ (12), and human factors. Several we|l-known good habits can also __________ (13)the risk. If local authorities issue avalanche risk reports, they should be considered and all warnings should be paid__________(14) to. Never follow in the tracks of others without your own evaluations; snow conditions are almost certain to have changed since they were made. Observe the terrain and note obvious avalanche paths where plants are__________ (15) or damaged. Avoid traveling below others who might trigger an avalanche.
1.A. among
B. of
C. to
D. in
2.A. when
B. that
C. who
D. whose
3.A. mostly
B. likely
C. clearly
D. surely
4.A. are
B. will be
C. is
D. was
5.A. weight
B. form
C. risk
D. work
6.A. fall
B. flow
C. roll
D. gather
7.A. fall
B. flow
C. roll
D. gather
8.A. among
B. between
C. with
D. for
9.A. thick
B. thin
C. flat
D. rocky
10. A. use
B. time
C. snow
D. rain
11. A. journey
B. trip
C. Fact
D. process
12. A. conditions
B. reports
C. forecast
D. event
13. A. increase
B. reduce
C. improve
D. remove
14. A. price
B. effort
C. attention
D. money
15. A. missing
B. grown
C. big
D. fresh
答案解析：
1.A。這里考查的是介詞。這里是說，雪崩是山上可能發生的最大危險之一，因此應該選擇among(在……之中)。
2.B。這里考查的是定語從句。根據定語從句引導詞的選用原則，確定答案為that，具體參見定語從句【備考助手】。
3.B。這里是說，過度的雪積壓導致雪崩。顯然是可能而不是必定導致雪崩。所以，B是最佳答案。
4.C。這里考查的是主謂一致。該句的主語是determining the critical load，從上下文來看應該使用一般現在時，所以C是正確答案。
5.C。這里是說，坡度小于25度或者大于60度有較低的發生雪崩的__________ 。weight(重量)、form(形式)、risk(風險)、work(工作)分別代入，只有a low risk of avalanche符合上下文的意思。后面的句子解釋了a low risk ofavalanche的道理，證實了應選risk。
6.D。第6題和第7題是講為什么坡度小于25度或者大于60度發生雪崩的風險較低。本句是說，在坡度大的坡上，雪不會大量。9ather(聚集)符合語境，因為在坡度大的坡上雪不聚集才不會發生雪崩。
7.B。本句是說，在較為平坦的坡面，雪不會輕易__________ 。roll(滑動)符合語境，因為在較為平坦的坡面上雪不會輕易滑動，所以發生雪崩的危險比較低。
8.B。本句是說，坡度在35——45度之間，最可能發生人為觸發的雪崩。between意為“在……之間”。
9.C。這個句子說的是什么樣的山坡最易發生雪崩，flat有“平坦”之意，與后面的steep形成對比。
10.A。句中的that is表明，后半部分是對前半部分的進一步說明。所以，這里要根據下文的意思判斷。use是最佳選擇。整個句子的意思是：山坡被滑雪者使用得越多，雪崩就越可能發生。
11.D。盡管選項A、B和D都能和continuous搭配，從全段的內容判斷，只有process是最佳選擇，因為該段描寫的是如何防備雪崩及如何做好安全措施等一系列問題。
12.A。從上下文來看，這里談論的是如何防備雪崩，包括路線的選擇，對積雪的.選擇，天氣和人為因素。選項A、B、C都可以與weather搭配，但是根據上下文，只有weather condition(天氣狀況)最符合語境。
13.B。從上下文語境來看，這里還是談論如何防備雪崩，所以選項A不符合句子的意思;C不能和risk搭配;D也不符合句子的意思，因為不可能完全消除雪崩的隱患。
14.c。該句主句使用的是被動語態。第二個動詞是pay attention to的被動形式。選項A、B、D均不符合句子的意思。
15.A。從上下文語境來看，該句是作者給出的一系列忠告之一，包括認真觀察地形、注意明顯的雪崩路徑。這里的or是解題線索，表示or前后的詞在意思上接近，所以選擇missing(缺少的)。
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