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[单选题]
As can be probably perceived, a manned trip to Mars may soon ________ since scientists
A.comment
B.commence
C.command
D.commute
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题目内容
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A.comment
B.commence
C.command
D.commute
如果结果不匹配，请 联系老师 获取答案
更多“As can be probably perceived, …”相关的问题
disappears and recuperation begins. The tired mind gathers new energy, and the memory improves.
Some adults require little sleep; others need eight to ten hours in every twenty-four hours. Infants sleep sixteen to eighteen hours daily, the amount gradually diminishing as they grow older. Young students may need twelve hours; university students may need ten. A worker with a physically demanding job may also need ten, whereas an executive working under pressure may manage on six to eight. Many famous people have little sleep. Napoleon Bonaparte, Thomas Edison and Charles Darwin apparently averaged only four to six hours a night.
Whatever your individual need, you can be sure that by the age of thirty you will have slept for a total more than twelve years. By the age you will also have developed a sleep routine: a favorite hour, a favorite position, and a rule you need to follow in order to rest comfortably.
Investigators have tried to find out how long a person can go without sleep. Several people have reached more than 115 hours nearly five days. Whatever the limit, it is absolute. Animals kept awake for from five to eight days have died of exhaustion. The limit for human beings is probably about a week.
(1).By writing this passage, the writer intends to tell us that _______.
A、sleep is important for good mental and physical health
B、a light sleep is as restful as a deep sleep
C、memory is improved during sleep
D、sleep is relatively unimportant for human beings
(2).The amount of the sleep required may ___.
A、tire an individual mind
B、help infants grow older
C、apply pressure on an executive
D、that they didn’t sleep long
(3).If a person is not allowed to follow his own sleep routine, he will probably _____.
A、never fall sleep
B、not sleep well
C、lost his memory
D、begin to daydream
(4).The author implies that if human beings are kept awake for more than a week the result _____.
A、is hard to imagine
B、will probably be a mental breakdown
C、is difficult to describe
D、will probably be dead
(5).From the amount of sleep Napoleon, Edison, Darwin required, we can conclude ___.
A、 that they were famous
B、 that they were executives
C、 hat they were intelligent
D、 that they didn’t sleep long
A. show ztp neighbor
B.show lldp neighbor
C.show interface
D.show interface neighbor
A.Servers
B.Routers and switches
C.Databases
D.Firewall types
86 Team members want to work for a project manager that can provide them with career path planning. In which organizational form. is career path planning difficult for project employees？
A. Matrix
B. Pure project
C. Project coordinator
D. Project expediter
E. Classical/traditional
98 Which of the following tools and techniques can be used to collect information for the project closure reports？
A. Customer Surveys
B. Brainstorming
C. Document and Performance Analysis
D. Lessons Learned
E. All of the above
A visitor to India should remember it is impolite there to use the left hand for passing food at the table.The left hand is for washing yourself.Also in India, you might see a man shaking his head at another to show that he is disagree ing.But in many parts of India a side-to-side movement of the head is to show agreement.In Bulgaria you shake your head to show "yes"—a nod shows "no".
In Europe it is quite usual to cross your legs while sitting and talking to someone, even at an impor tant meeting.But doing this could cause offence to a Thailander.Touching the head of a grown-up is also not done in Thailand.
Knowing about manners is useful when you are traveling, and you also need to know the language used to express the customs.
1.If you are staying in India, you'd better().
A.not use your left hand to pass food at the table
B.use your left hand to pass food at the table
C.not use your left hand to wash yourself
D.use your left hand at all times
2.To shake your h ead means “Yes” ().
A.in India
B.in Europe
C.in Bulgaria
D.in Thailand
3.You can easily make a Thailander angry by().
A.touching his head
B.crossing your legs while talking to him
C.shaking your head
D.nodding your head
4.The wri ter thinks that to know about a country well one must().
A.know the language of the country
B.know the manners of the country
C.know the manners better than the language
D.know both the language and the manners
5.We can learn from the passag e that().
A.different countries have different manners
B.the manners in Thailand are the same as those in India
C.one should be careful not to cross legs in Europe
D.one should not touch a grown-up's head in India
The first step in creating a budget is to set your goals.What does your family needand want？You must know all that to work out the details of the budget.Never spend more than you can.Then decide which goals are the most important.
The next step is estimating(估计)family income.Before you can plan wisely,you need to know how much money you have to spend!Write down aqll themoney you expect to receive(wages,saving,interest,etc.) during the planned budget period.
After you have calculated (计算)how much money will be available,it is time to estimate expenses(开销、支出).List all of your family expenses.
If you are not satisfied with what you got for your money,look carefully at your spending.Studying your records will show where overspending has occerred.It will also point out poor buying habits.
It is also a good idea to set aside a small amount of money for emergencies.Every family has emergencies:a blown tire,a broken device,or the need for medical care.
51.According to the passage,what is the advantage of a budget？
A.It can help you set your goals clearly.
B.It can help you save a lot of money.
C.It can help you get rid of poor buying habits.
D.It can help you spend money wisely.
52.In carrying out your budget,you need ___.
A.to have the ability to control yourself
B.to ask your family members for advice
C.to cut it down as much as possible
D.to take care not to buy expensive things
53.Accordingiy,one advantage of keeping a record of your spending is that ___.
A.you will remember how much you have already spent
B.you will know if you have spent more money than you planned
C.you will be able to tell your family what should not be bought
D.you will learn how to make a better budget next time
54.The writer suggests that it is a good idea to set aside some money because ___.
A.you probably will not be able to follow your budget
B.people usually spend more than they plan to do
C.one can hardly plan everything in advance
D.others may want to borrow some money from you
55.This passage is mainly about ___.
A.the meaning of a budget B.the relation between budget and income
C.the way a budget is made D.the importance of making a budget
Losing your ability to think and remember is prettyscary. We know the risk of dementia (痴呆症) increases with age. But if you have memory slips, you probably needn't worry. There are pretty clear differences between signs of dementia andage-related memory loss. After age 50, it's quite common to have trouble remembering the names of people, places andthings quickly, says Dr. Kirk Daffner of Brigham and Women's Hospital in Boston. The brain ages just like the rest of the body. Certain parts shrink, especially areas in the brainthat are important to learning, memory and planning. Changes in brain cells can affectcommunication between different regions of the brain. And blood flow can be reduced asblood vessels narrow. Forgetting the name of an actor in a favorite movie, for example, is nothing to worry about. Butif you forget the plot of the movie or don't remember even seeing it, that's far moreconcerning, Daffner says. When you forget entire experiences, he says, that's "a red flag that something more seriousmay be involved." Forgetting how to operate a familiar object like a microwave oven, orforgetting how to drive to the house of a friend you've visited many times before can also besigns of something going wrong. But even then, Daffner says, people shouldn't panic. There are many things that can causeconfusion and memory loss, including health problems like temporary stoppage of breathingduring sleep, high blood pressure, or depression, as well as medications (药物) likeantidepressants. You don't have to figure this out on your own. Daffner suggests going to your doctor to checkon medications, health problems and other issues that could be affecting memory. And the bestdefense against memory loss is to try to prevent it by building up your brain's cognitive (认知的) reserve, Daffner says. "Read books, go to movies, take on new hobbies or activities that force one to think in novelways," he says. In other words, keep your brain busy and working. And also get physicallyactive, because exercise is a known brain booster.Why does the author say that one needn't be concerned about memory slips？ 1..Why does the author say that one needn't be concerned about memory slips？()
A、Not all of them are symptoms of dementia.
B、They occur only among certain groups of people.
C、Not all of them are related to one's age.
D、They are quite common among fifty-year-olds.
In the United Stated, parents do not （） marriages for their children.Teenagers begin dating in high school and usually find mates through their own academic and social （）.
（） young people feel free to choose their friends from （） groups, most choose a mate of similar （）.
This is due in part to parental guidance.Parents cannot （） spouses for their children, but they can usually （） choices by voicing disapproval of someone they consider unsuitable.
（）, marriages between members of different groups (interclass, interfaith, and interracial marriages) are （）, probably because of the greater mobility of today’s youth and the fact that they are （） by fewer prejudices than their parents.Many young people leave their hometowns to attend college, serve in the armed forces, （） pursue a career in a bigger city.
Once away from home and family, they are more （） to date and marry outside their own social group.
In mobile American society, interclass marriages are neither （） nor astonishing.Interfaith marriages are （） the rise, especially between Protestants (基督教徒) and Catholics (天主教徒).On the other hand, interracial marriages are still very （）.It can be difficult for interracial couples to find a place to live, maintain friendships, and （） a family.Marriages between people of different national （） (but the same race and religion) have been commonplace here （） colonial times.
1.A.specially B.naturally C.particularly D.fortunately
2.A.moreB.rather C.lessD.better
3.A.arrangeB.engageC.manage D.propose
4.A.position B.association C.contract D.contacts
5.A.Since B.ThoughC.IfD.Hence
6.A.separate B.identical C.independentD.different
7.A.backgroundB.situation C.circumstance D.condition
8.A.opposeB.reject C.select D.approve
9.A.influenceB.make C.afford D.provide
10.A.ThereforeB.However C.MoreoverD.Likewise
11.A.decliningB.prohibitingC.increasingD.reducing
12.A.restrained B.retained C.reserved D.restricted
13.A.butB.orC.soD.otherwise
14.A.likelyB.possible C.reluctant D.lonely
15.A.scarceB.risky C.rare D.rigid
16.A.in B.atC.forD.on
17.A.normal B.uncommon C.ordinary D.unite
18.A.raise B.settle C.growD.unite
19.A.source B.convention C.origin D.immigrant
20.A.sinceB.forC.inD.during
