网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
单选题
The skulls and pelvic bones of some species of dinosaur share characteristics with the skulls and pelvic bones of all modern birds. Even though not all dinosaurs have these characteristics, there are scientists who claim that all animals that do have these characteristics are dinosaurs. If the statements above and the claim of the scientists are true, which of the following must also be true?
A
Birds share more characteristics with dinosaurs than they do with other animals.
B
Some ancient dinosaurs were indistinguishable from modern birds.
C
All animals whose skulls share the characteristics of those of modern birds also have pelvic bones that are similar to those of modern birds.
D
Modern birds are dinosaurs.
E
All dinosaurs are birds.
参考答案
参考解析
解析：
由文段可知，科学家根据一些恐龙的头盖骨和骨盆骨与所有现代鸟类的头盖骨和骨盆骨有许多相同特征，得出结论：所有具有这些特征的动物是恐龙，如果这个推理是正确的话，我们可以认为现代鸟类是恐龙，故本题选D项。
由文段可知，科学家根据一些恐龙的头盖骨和骨盆骨与所有现代鸟类的头盖骨和骨盆骨有许多相同特征，得出结论：所有具有这些特征的动物是恐龙，如果这个推理是正确的话，我们可以认为现代鸟类是恐龙，故本题选D项。
更多 “单选题The skulls and pelvic bones of some species of dinosaur share characteristics with the skulls and pelvic bones of all modern birds. Even though not all dinosaurs have these characteristics, there are scientists who claim that all animals that do have these characteristics are dinosaurs. If the statements above and the claim of the scientists are true, which of the following must also be true?A Birds share more characteristics with dinosaurs than they do with other animals.B Some ancient dinosaurs were indistinguishable from modern birds.C All animals whose skulls share the characteristics of those of modern birds also have pelvic bones that are similar to those of modern birds.D Modern birds are dinosaurs.E All dinosaurs are birds.” 相关考题
考题
Well, _______, he shouldn't even have been driving my car.
(A)in short(B) to begin with(C) after all(D) at all
考题
What, then, is a good education at the end of the twentieth century? Some educators suggest that it should include foreign languages and the study of foreign cultures；a mastery of English, including the ability to write and speak well, because communications have become all-important in the modern world. and also because “a person who doesn't speak and write Clearly doesn't reason clearly either” ; some knowledge of the social sciences(sociology, psychology)that deal with human relations and human problems；some basic knowledge of modem information systems, since the educated professionals of tomorrow will have to understand their machines. Is that all? “No, of course not. ”answer the educators, “We have not mentioned the two great building blocks of education：history and literature!”Is this truly the best modern education? Perhaps. But every educator would add or subtract a few subjects. And no matter what list of courses would be offered, it would not be approved by all. Not only do the professors have their own ideas on the matter, but the students have theirs' too. “I don't believe, ”protested a Harvard student when his university revised its programs, “I don't believe that colleges have the fight to define what an educated person is. ”But then, who has?
考题
阅读理解There is no doubt that man is a member of the animal kingdom.Anyone who has thought about this fact seriously must have wondered how it has come about that man has achieved a position so supreme(最高的) among the myriad(无数的) kinds of animal life.Two characteristics of man, in comparison with all other animals, that stand out above all others are the creation and use of tools and the development and use of language.Since no other animals have achieved these abilities, it must be assumed that man’s evolutionary development led to his capacity to create and use tools and to devise and use language.Once these abilities and practices evolved, they probably became driving forces in the further evolution of man.Those members of the species who become most proficient(精通的) in the fabrication of tools and in the command of language and thought would tend to survive and maintain their kind for good, at the expense of those of lesser ability.11.Which of the following statements best expresses the main idea of the passage?()A.Tools and language are either the effects or the causes of human evolution.B.No other animals have achieved human abilities.C.Among the animals, only man is able to use tools and language.D.Man owns his capacity to making use of tools and language.12.“Animal kingdom” in the passage refers to ().A.the place where all animals liveB.the animal societyC.all kinds of animals, including manD.the forest with animals13.One important condition for man’s evolution is() .A.the animal kingdomB.a supreme positionC.the myriad kindsD.his natural capacity14.The phrase “come about” in the passage is likely to mean ________.A.happenedB.appearedC.arrivedD.succeeded15.The last sentence suggests that() .A.those of lesser ability would be very expensiveB.in order to survive, man has to sacrifice some other animalsC.those who become proficient in making tools can speak wellD.language and thought could be acquired by man
考题
_______ I want to do is to have a good rest after such a long trip.
A.thatB.All whatC.whichD.All
考题
What are the right reasons to explain why not the guests enjoy the meal?
A、because they don't have what they actually wantB、no beautiful young ladies showed upC、steamed fish with all the little bones left inD、too many children making noises
考题
What a waste! Why do you () the water () all the time ?
A、have…flowingB、have…flowC、have…to flowD、have…flowed
考题
More psychologists have found that all caregivers share a common characteristic:All caregivers believe that they are the best people for the job.In other words,they all felt that they could do the job better than anyone else.Social workers______caregivers to find out why they took on the responsibility of caring for an eldery,dependent relative.A.questioned
B.interviewed
C.inquired
D.interrogated
考题
There are two general approaches to attacking a (1)encryption scheme.The first attack is known as cryptanalysis.Cryptanalytic attacks rely on the nature of the algorithm plus perhaps some knowledge of the general characteristics of the ( ) or even some sample plaintext- ciphertext pairs. This type of ( ) exploits the characteristics of the algorithm to attempt to deduce a specific plaintext or to deduce the key being used. If the attack succeeds in deducing the key, the effect is catastrophic: All future and past messages encrypted with that key are compromised. The second method, known as the ( )-force attack, is to try every possible key on a piece of ( ) until an intelligible translation into plaintext is obtained. On average, half of all possible keys must be tried to achieve success.
（1）处应选________.
A. stream
B.symmetric
C. asymmetric
D.advanced
考题
--I′m sorry I didn′t do a good job.
--Never mind. ___________, you have triedyour best.
A.Above all
B.In all
C.At all
D.After all
考题
We can't tell you the results until we have looked at（）A、all the datumB、the all dataC、all the dataD、the all datum
考题
What are some of the questions you should ask yourself when analyzing your existing Domino NSF application for modernizing with XPages？（）A、All of the belowB、How much UI code do you have？C、How complex are your subs and functions？D、How do you use Rich Text， if any at all？
考题
Since 1991,the goals set in the plan（）A、have been largely achievedB、have largely not been achievedC、have been achieved in some significant areasD、have not been achieved at all
考题
You are designing a remote administration solution that meets business requirements. You need to specify client or server software that will be required. What should you do？（）A、Ensure that all client computers have a graphical Telnet client installedB、Ensure that all client computers have the Remote Desktop Connection client software installedC、Ensure that all server computers have RCONSOLE installed and that it is configured to start automaticallyD、Ensure that all server computers have Remote Administration （HTML） installed
考题
单选题—You seem to have known all about the accident.—_____.A
So I haveB
So I doC
So have ID
So do I
考题
问答题Practice 8 You should spend about 40 minutes on this task. Write about the following topic: Some people think people have benefited from modern communications technology, but other people think some people have not benefited at all. To what extent do you agree or disagree? You should write at least 250 words.
考题
单选题According to the experts, the reversal of the Earth’s magnetic field would _____.A
destroy almost all the creatures on the EarthB
cause some species extinctions on the EarthC
not be as disastrous as the previous oneD
cause no big trouble for man and animals
考题
单选题Paleontologists hypothesize that modern birds evolved from the family of dinosaurs that included Tyrannosaurus rex. This hypothesis would be strongly supported if evidence that dinosaurs from this family had a body covering resembling feathers could be found, but so far no such evidence has been found. Which of the following, if true, would most help the paleontologists explain why no evidence of feathered dinosaurs has yet been found?A
Fossilized dinosaurs have shown many birdlike characteristics, such as bone structure and winglike arms.B
If birds are in fact the descendants of dinosaurs, then it can be argued that the dinosaurs never really died out.C
Flying dinosaurs such as the Pteranodon, which is not thought to have been related to modern birds, do not appear to have had feathers.D
Soft tissues such as skin and feathers do not fossilize like bones, and therefore are far less likely to have left permanent evidence in the fossil record.E
The thousands of dinosaur fossils excavated by paleontologists represent only a tiny fraction of the billions of dinosaurs that once lived.
考题
单选题In England, some food companies have been told to ______ urgently.A
stop making beef productsB
test all their beef productsC
test all their productsD
remove all their products from sale
考题
单选题All the selection of English materials should have the _____ characteristics.A
practicalB
scientific and ideologicalC
transitionalD
inflexibility
考题
单选题The author thinks good scientists are those who have all the following EXCEPT _____.A
some general cultural backgroundB
some acquaintance with history or literature or the artsC
the knowledge in purely scienceD
the support for nationalism
考题
问答题Almost all Americans want to be democratic, but many Americans are confused about what, exactly, democracy means. How do you know when someone is acting in a democratic or an undemocratic way? Recently several groups have spoken out with particular bitterness against the kind of democracy that means equal opportunity for all, regardless of race or national origin. They act as if all human beings did not belong to one species, as if some races of mankind were inferior to others in their capacity to learn what members of other races know and have invented. Other extremists attack religious groups—Jews or Catholics--or deny the right of an individual to be an agnostic. One reason that these extremists, who explicitly do not want to be democratic, can get a hearing even though their views run counter to the Constitution and our traditional values is that people who do want to be democratic are frequently muddled.
考题
单选题We can't tell you the results until we have looked at（）A
all the datumB
the all dataC
all the dataD
the all datum
考题
单选题You are designing a remote administration solution that meets business requirements. You need to specify client or server software that will be required. What should you do？（）A
Ensure that all client computers have a graphical Telnet client installedB
Ensure that all client computers have the Remote Desktop Connection client software installedC
Ensure that all server computers have RCONSOLE installed and that it is configured to start automaticallyD
Ensure that all server computers have Remote Administration （HTML） installed
考题
单选题The meeting’s been cancelled. Ann ______ all that work.A
need to doB
need haveC
needn’t have doneD
needed not to do
考题
单选题Stone does not（）, and so the tools of long ago have remained when even the bones of the men who made them have disappeared without trace.A
crackB
decayC
destroyD
crush
考题
问答题There are 1, 200 elephants in a herd. Some have pink and green stripes, some are all pink and some are all blue. One third are pure pink. Is it true that 400 elephants are definitely blue?
考题
单选题You _____ all those clothes! We have a washing machine to do that sort of thing.A
needn't have washedB
shouldn't have washedC
must not have washedD
can not have washed
热门标签
最新试卷
