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根据下列文章,请回答 51～65 题。 China to Help Europe Develop GPS Rival China is to con

根据下列文章,请回答 51～65 题。

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 ________ (51) a more accurate civilian alternative to the Global Positioning System (GPS), operated by the US millitary. China will provide 230m Eures in funding and will ________ (52) with technical, manufacturing and market development.

A new center that will coordinate co-operation will be set ________ (53) at Beijing University. China has a substantial satellite launch industry and could potentially help ________ (54) the Galileo satellites.

The US has claimed that Galileo could interfere with the, US with ________ (55) to downgrade the GPS service dudng military conflicts. European officials say this is unfounded (无根据的) and counter that US opposition is caused by the commercial challenge Galileo would present to GPS. Galileo will be________ (56) to within a meter, while the civilian GPS service is accurate to around 10 meters.

The Galileo satellite constellation (卫星集群) will consist of 27 operational and three reserve satellites ________ (57) the Earth at an altitude of 23,600 kin. The satellites will be strung along three medium-Earth orbits at 56 degrees inclination (倾斜) ________ (58) the equator (赤道) and will provide global coverage. The system should be ________ (59) by 2008 and the entire project is expected to cost around 3.2 billion Euros.

The European Commission has said Galileo will ________ (50) be used for transportation technology, scientific research, land management and disaster monitoring.

Galileo will provide two________ (61); a standard civilian one and an encrypted(把……编码), wide-band signal called the Public Regulated Service (PRS). This second signal is _________ (62) to endure localized jamming and will be used by police and military services in Europe.

The first Galileo satellite is_________ (63) to launch late in 2004. Clocks on board the satellites will be synchronized (同步) through 20 ground sensors (传感器) stations, two command centers and 15 uplink (上传) stations.

Receivers on the ground will use time signals from the satellites to precisely calculate their _________ (64). A "search and rescue" function will also let distress signals be _________(65) through the constellation of satellites.

第 51 题

A．set

B．represent

C．offer

D．indicate

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第2题
根据下列文章,请回答 51～65 题。 The American Parnily In the American family the husban

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The American Parnily

In the American family the husband and wife usually share important decision making. When the children are ____________ (1) enough, they take part as well. Foreigners are often surprised by the permissiveness (宽容) of American parents. ]he old rule that "children should be seen and not heard" is rarely ___________ (2), and children are often allowed to do ___________ (3) they wish without strict control of their parents. The father seldom expects his children to listen to him ___________ (4) question, and children are encouraged to be ___________ (5) at an early age. Some people believe that American parents carry this freedom ___________ (6) far. Others think that a strong father image would not ___________ (7) the American values of equality and independence. Because Americans emphasize the importance of independence, young people are expected to ___________ (8) their parental families by the time they haw ___________ (9) their late teens or early twenties. Indeed, not to do so is often regarded as a (10), a kind of weak dependence.

This pattern of independence often results in serious ___________ (11) for the aging parents of a small family. The average American is expected to live ___________ (12) the age of 70. The job-retirement age is ___________ (13) 65. The children have left home, married, and ___________ (14) their own households. At least 20 percent of all people over 65 do not have enough retirement incomes ____________ (15) the major problem of many elderly couples is not economic. They feel useless and lonely with neither an occupation nor a close family group.

第 51 题

A．senior

B．junior

C．old

D．young

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第8题
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第10题
根据下列文章,请回答 51～65 题。 Preferences Vary on Circumstancesof Dying Amongtermina

根据下列文章,请回答 51～65 题。

Preferences Vary on Circumstancesof Dying

Amongterminally(晚期)ill people，attitudes differ on what they think constitutes a__________(1)orbad death，the results of a new study suggest．

Dr．ElizabethK．Vig of the University of Washington in Seattle and colleagues interviewed 26men with_________(2)heart disease or cancer．The men were asked to describe goodand bad deaths，and they also answered_______________(3)about their preferencesfor dying．

“In this small study．Terminally ill mendescribed good and bad deaths _________(4)。”Vig said．“They did not hold thesame views about such Issues ________ (5)the presence of others at the very endof life or preferred location of death．

Manyof the men considered________(6)in their sleep to be a good death．The reasonswere varied and included not_________(7)that death was imminent(即将发生的)，and thatdeath would be painless．For close to half of the men，a prolonged(拖延的)death was___________(8)abad death．Some of the men associated a prolonged death with prolonged pain，_______(9)others thought a prolonged death would be difficult for their families．

Mostmen said that their_________(10)were very important to them，but this did not mean that they wanted relatives close atthe_________(11)of death．"Valuii‘19 family did not als0___________(12)wantingfamily present at the very end of life。”Vig said．

“In fact，some expressed concerns_________(13)burdening loved ones，”Vig said．For instance．some men were worriedabout the emotional or_________(14)impact on their family members，according tothe Washington researcher．Some were worried _______(15)their need for carewould be a burden on their families，she said．

第 51 题

A．wrong

B．pure

C．good

D．whole

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