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[单选题]

Even if the host develops antibodies, the human immune system is not perfect and in a

A.即使有了抗体,人类的免疫系统仍有缺陷。在某些情况下,免疫系统无法战胜疾病。

B.即使人体产生了抗体,人类免疫系统仍有许多欠缺。在一些情况下,免疫系统仍有可能无法战胜这些传染病。

C.即使体内产生了抗体,人类免疫系统也不完善。在一些情况下,免疫系统仍可能无法立即战胜传染病。

D.即使有了抗体,在某些情况下,人类的免疫系统仍有缺陷,无法战胜疾病。

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更多“Even if the host develops antibodies, the human immune system is not perfect and in a”相关的问题

第1题

What is the message suggested by the “fluttering and dancing” daffodils in 2nd stanza

A.The speaker “I” is dancing with the natural objects.

B.The speaker “I” suddenly discovered a host of golden daffodils.

C.Even if the speaker “I” is alone by himself in nature, he does not feel lonely.

D.The speaker “I” was beside the lake and beneath the trees.

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第2题

Your company has an Active Directory Domain Serv ices (AD DS) domain. All client computers

Your company has an Active Directory Domain Serv ices (AD DS) domain. All client computers run Windows 7. You have a Remote Desktop Session Host (RD Session Host) server.You need to ensure that computer identities are validated before user authentication is performed.What should you do?()

A.Configure the Set RD Gateway authentication method Group Policy setting to Use smart card.

B.Configure the Set RD Gateway authentication method Group Policy setting to Use locally logged - on credentials.

C.Enable the Configure server authentication for client Group Poli cy setting and then select Do not connect if authentication fails.

D.Enable the Configure server authentication for client Group Policy setting and then select Always connect, even if authentication fails.

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第3题

Most students choose "Homestay" accommodation when they study abroad: others s
elets Home- stay even if they are not on a study visit Satistics show that it' sa form. of accommodation gaining in popularity all the time.

But what is Homestay? And what makes it so popular?

Homestay means lving with a family, or "host family" as we say.There are three ways of doing it:

Choose to learn English in a language school near to your Homestay location; Have your English classes in the house with a member of the family who is a qualfied teacher; Select not to have classes at all when you visit- a popular choice if you want to do the tourist thing for example.Even in their busy summer period the organizations that arrange the Homestays will always try to place you with the most suitable host family to match your requirements.Placement(安置) organizations think about locatinterests,anguage lveleating requirements alrgies过敏)and other requests you may have.

Though prices vary according to your needs, good quality Homestay accommodation can be relatively economical and although you may be charged an extra amount of money if you want your Homestay in or near the city center Even if you stay further out, you can expect your journey into the center not to exceed 30 minutes.

Not only dpes Homestay accommodation represent value for money, it also gives you an excellent opportunity to practice English with your host familyThis is a very important extra for students who like to speak as much English as pssible.But if you plan to learn English, why not have your English classes in your host family.There' s no better way to lear English than this- the perfect combination of learning and accommodation combined with the cultural experience!

1.Homestay is an ideal choice for students who()。

A.want to leam statistics

B.plan to study overseas

C.plan to visit relatives

D.want to stay at home

2.Who will consider students' requirements before their Homestay starts?

A.The language school.

B.The host family.

C.The English teacher.

D.The placement organization.

3.Which of the fllowing is a key factor affecting the price of Homestay?

A.Students' specific needs.

B.Students language level.

C.Nationality of the host family.

D.Eating habits of the host family.

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第4题

our company has a main office and two branch offices. Domain controllers in the main offic
e host an active directory-integrated zone. The DNS servers in the branch offices host a secondary for the zone. Each branch office has an application server. Users access the application server by using its fully qualified domain name. you need to ensure that users in the branch office can access their local application server even if the WAN links are down for three days. What should you do?()

A.Increase the expires after setting to 4 days on the start of authority (SOA) record for the zone.

B.Increase the refresh interval setting 0 4 days on the start of authority (SOA) record for the zone.

C.Configure the zone aging / scavenging properties dialog box to enable scavenge state resource records, and set the refresh setting to 4 days.

D.Configure the zone aging / scavenging properties dialog box to enable scavenge state resource records, and set NO-refresh interval setting to 4 days.

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第5题

Pharming is a scamming practice in which malicious code is installed on a personal compute
r or server, misdirecting users to (71)Web sites without their knowledge or consent. Pharming has been called "phishing without a lure".

In phishing, the perpetrator sends out legitimate-(72)e-mails, appearing to come from some of the Web's most popular sites, in an effort to obtain personal and financial information from individual recipients. But in pharming, larger numbers of computer users can be(73)because it is not necessary to target individuals one by one and no conscious action is required on the part of the victim. In one form. of pharming attack, code sent in an e-mail modifies local host files on a personal computer. The host files convert URLs into the number strings that the computer uses to access Web sites. A computer with a compromised host file will go to the fake Web site even if a user types in the correct Internet address or clicks on an affected(74)entry. Some spyware removal programs can correct the corruption, but it frequently recurs unless the user changes browsing(75 ).

A.few

B.fraudulent

C.normal

D.structured

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第6题

阅读:Gestures aren't the only area in which the unwary traveler can get tripped up

Questions 31 to 35 are based on the following passage:

Gestures aren't the only area in which the unwary traveler can get tripped up. Foreign cultures adhere to different business customs and behavior. For example: Caffeine junkies should restrain themselves in the Middle East.“Three cups of tea or coffee is usually the polite limit in offices and during social calls,” counsels “Travel Pak, ” a free publication of Alia, the Royal Jordanian Airline. “But if your host keeps going, you also may continue sipping. If you've had your fill, give your empty cup a quick twist a sort of wiggle—as you hand it back. That means “No more, thank you.”

Middle East visitors also should not be surprised “if others barge right into the office in the middle of your conversation with the person you are seeing,” notes “Travel Pak.” An old Arab custom calls for keeping an “open office.”The British, however, consider it impolite to interrupt a visitor, even after all business has been transacted. The commercial caller is expected to be sensitive to this point, know when to stop, and initiate his or her own departure.In Japan certain guests at evening business gatherings will leave early. They should be allowed to leave without effusive good byes. The Japanese consider formal departures to be disruptive in such cases and disturbing to remaining guests. In Scandinavia and Finland business guests may be asked to shed their clothes and join their hosts in a sauna. The invitation is a sign that a good working relationship has been established.

In the Arab world, the word “no” must be mentioned three times before it is accepted. In contrast, it is considered good business manners to make many and long efforts to pick up the check. In the People's Republic of China, gift giving is considered an insult, says Patrick J. Lewis, President of Club Universe, a Los Angeles tour operator. “If you want to give someone a gift, make sure it's modest in value. This will not be considered offensive, but it may be declined, ” The Chinese manner of expressing friendship and welcome is to clap. Lewis adds. “Youmay be greeted with clapping when entering a factory, hospital, commune, or school. Politeness dictates that you respond with applause, even though it may seem like you're clapping for yourself.”

31. In the Middle East, it is considered ____.

A) impolite to drink at least 3 cups of coffee

B) impolite to drink more than 3 cups of coffee unless your host drinks more

C) polite to ask the host to give you as more as he can

D) polite to leave a party as early as you want

32. In Japan, the guest at an evening party will ____.

A) leave early without saying good bye

B) stay as long as he can

C) stay to have a swimming with the host

D) present their business cards immediately

33. In Finland, business guests may ____.

A) take flowers to the host

B) send an expensive gift to the host

C) have a swimming or sauna with the host

D) present a business card

34. In China, a gift to the host means ____.

A) attemption to praise the host

B) a modest manner

C) a respondence of applause

D) offended action to the host's dignity

35. Which of the following statement is NOT true according to the passage?

A) Uninvited visitors are welcome in Middle Eastern office.

B) In Britain, business visitors can stay as long as they like.

C) In China, people may greet a foreigner's entering a school with clapping.

D) In the Arab world, saying “No” for 3 times until it is accepted.

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第7题

根据以下材料回答题 It is not polite to arrive at a dinner party more than 15 to 20 minu

根据以下材料回答题

It is not polite to arrive at a dinner party more than 15 to 20 minutes late.The host or hostessusually waits for all the guests to arrive before36 the meal.If someone is late, the food maybe spoiled, and so might the host or the hostess37.If you have to be late, call and tell themto 38you.It&39; s even39 to be early ! The host or the hostess will probably not be40.

If you are early, drive or walk around the block a few minutes, or just sit in your car41 theright time.Though it&39; s often important to arrive on time, yet 42, for open houses, the hostor the hostess invites guests to arrive and leave43 a certain time so you can arrive at any time 44 the time he or she gives you.

It&39; s nice to bring an empty stomach, but it&39; s even nicer to bring a small present.The presentshould not cost 45, or you might embarrass the host or hostess.Flowers, wine, or a box of46will be fine.

Never bring money as a present.In an introduction, the order of a name: the given name, thefamily name.In other words, the given name comes47.It&39; s important not only to learn andremember names, but to48 them often in the conversation.After the49, we usually callfriends by their given names.50 may want you call them by their titles and 51 such as"Mr.Jones", "Mrs.Smith", "Ms.Johnson" or "Dr.Brown".

A maiden name is a woman&39; s family name at birth.In the United States and Canada, after awoman marries, she52 the family name of her husband53 her maiden name.It is nowbecoming common, 54, for women to keep their maiden names55 they get married.

第36题应选 查看材料

A.making

B.cooking

C.doing

D.serving

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第8题

Americans do not give cooking, "considered as one of the fine arts", an important place in
life. Lunch is for them a kind of gratuity paid to the body. They hurriedly toss it a fruit or a fish and go back to work. Certain writers, in rebellion, have founded the club, "Three Hours for Lunch", but they are an agreeable exception. Even at dinner, general conversation is rare. Everyone talks to his neighbor. After dinner the men linger at the table, a custom inherited from England. In New York your host will often propose taking you to the theatre, or else he will provide a pianist, a singer, a lecturer. The idea of leaving the guests to themselves, and expecting them to get pleasure out of meeting one another, astonishes and even appalls him. His excessive modesty does not permit his imagining that his friends can be happy merely in being in his house, with one another. He treats them like children. On Christmas Eve you will see, in some of the pleasant homes in New York, Christmas trees for grown people. In other places, after a dinner at which you exchange ideas, there will be a magician who will do his best to amuse the oldsters. There you must realize that the absence of conversation in American homes comes, not from absence of ideas or lack of intelligence of understanding, but from an unconquerable shyness and a prodigious self-distrust.

The Americans hurry through lunch because ______.

A.they are ambitious

B.they have rebelled against English customs

C.they don' t think it is important

D.talking while eating is impolite

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第9题

Manners are very important in every country, but the trouble is that different countries
have different ideas about what counts as polite behavior. What is good manners in one country may not be appropriate behavior. in another. Chinese people may be shocked at what counts as good manners in England

When an Englishman passes a friend in the street he does not always stop to talk. He may just nod, say “hello” and pass on. If two friends do stop to talk, they do not shake hands. It is only at parties for young people(students, for instance)that a person could go up to someone he does not know and introduce himself. On more formal occasions or at parties run by older people a guest always waits to be introduced to someone he does not know by the host, hostess or another guest who he already knows. At even a formal dinner an Englishman does not wait for a toast before he has a drink. The English reserve toasts for very formal or very special occasions. In these cases the toast will usually be accompanied by a short speech, for example, at a wedding reception or at a party for somebody who is retiring. After a private dinner in someone’s house an Englishman will only shake hands with the host and hostess if it is a fairly formal occasion, like a business dinner, and he will usually put his coat on and say goodbye as he leaves the house.

Luckily, like Chinese people, the English usually excuse foreign students over matters of etiquette. But even so, perhaps the safest advice for the overseas student, no matter what country he is visiting, is to follow the old proverb: when in Rome, do as the Romans do.

1.What will a person do when he attends a party run by older people? ()A、Go up to a stranger and introduce himself.

B、Ask his friend to introduce him to others.

C、Give a speech in front of others to introduce himself.

D、Wait to be introduced by the hoss/hostess.

2.Which of the following best explains the proverb: when in Rome, do as the Romans do. ()

A、If you go to Rome, you must do things like the Romans.

B、When you go to a foreign country, you should learn something about their manners.

C、Romans always do the right thing, so you should follow them.

D、Manners in Roman are as easy to follow as in other countries.

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第10题

Passage 1 Once an honored man was having a birthday party. His sons and servants were bus

Passage 1

Once an honored man was having a birthday party. His sons and servants were busy welcoming guests. A thief slipped into the house. He hid himself by lying face down on a beam in the ceiling of the hall where the birthday banquet was to be held. From there, the thief could look down upon the guests and see all the gifts of silks, jade, and jewels brought in. He tried to remember where these were put so that he could steal them after the party was over.

Later that evening, the host was looking at all his presents happily. He leaned over them with his back turned to the thief hiding on the beam. The thief was looking around the room so that he would be able to move quietly when the lights were off. As the thief hung his head over the beam it made a shadow on the floor.

The host did not show that he had seen the shadow. He called for his servant to set a table for one guest with the best food and drink. Turning towards the beam on which the thief lay, he bowed low and said, “Will the gentleman on the roof-beam now come down to have some refreshments?”

There was nothing else the thief could do but climb down. His host fed him well. After the thief had eaten his fill, the host gave him a bag of silver coins and begged him to make good use of them. Then the host saw the thief to the door and bid him good night.

Ten years passed, and again the honored man held a birthday party. Many visitors came to bring him presents. The man was very old by now and could not greet all the

guests. His grandson met the visitors at the door and invited them to dine with his grandfather in the evening. He then took the gifts in for the old man to see.

Towards the end of the day a stranger came, bringing gifts of gold and jewels. He would not give his name, but asked to see the honored old man.

The stranger was led to the old man’s room. The old man did not know this guest and asked for his name.

The stranger smiled, “I am an honest man. I have learned to live a good life. But it was not always so. Do you remember how you once asked me to come down from the roof-beam and eat your food?”

The host was amazed. He was even more surprised when he heard how his kindness had changed the thief into an honest man.

21. How did the thief get into the house?

A. He carefully disguised himself as a guest.

B. He followed the servants, carrying dishes.

C. He broke into the house through a window.

D. He went into the house without being noticed.

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