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Both colchicine and taxol act to block microtubule assembly, therefore they can arrest cells at metaphase at low dosage.

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第1题

The mystery had now reached its climax: the man had undoubtedly been murdered, and it was absolutely certain no one could conceivably have done it. It was therefore time to call in the great detective, who gave one searching glance at the corpse, then produced a microscope.

"Aha!" he exclaimed as he picked a hair off the lapel of the dead man's coat." The mystery is a mystery no longer. We have only to find the man who lost this hair, and the criminal will be in our hand." The inexorable chain of logic was complete, and the detective embarked on his search.

For four days and four nights he moved unobserved through the streets of New York, scanning closely every face he passed, looking for a man who had lost a hair. On the fifth day he discovered a man disguised as a tourist, his head enveloped in a cap reaching below his ears. The man was about to board the Gloritania, and the detective lost no time in following him on board.

"Arrest him!" shouted the detective, and then, drawing himself to his full height, he brandished aloft the hair." This is his," said the great detective," and it proves his guilt" .

"Remove his hat," ordered the ship's captain sternly.

It was discovered that the man was entirely bald.

"Aha!" exclaimed the great detective without a moment's hesitation." He has committed not one murder, but about one million!"

The detective declared the mystery solved before he ______.

A.found the hair

B.produced the microscope

C.searched for the murderer

D.glanced at the corpse

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第2题

The mystery had now reached its climax: the man had undoubtedly been murdered, and it was absolutely certain no one could conceivably have done it. It was therefore time to call in the great detective, who gave one searching glance at the corpse, then produced a microscope.

"Aha!" he exclaimed as he picked a hair off the lapel of the dead man' s coat." The mystery is a mystery no longer. We have only to find the man who lost this hair, and the criminal will be in our hand." The inexorable chain of logic was complete, and the detective embarked on his search.

For four days and four nights he moved unobserved through the streets of New York, scanning closely every face he passed, looking for a man who had lost a hair. On the fifth day he discovered a man disguised as a tourist, his head enveloped in a cap reaching below his ears. The man was about to board the Gloritania, and the detective lost no time in following him on board.

"Arrest him!" shouted the detective, and then, drawing himself to his full height, he brandished aloft the hair." This is his," said the great detective," and it proves his guilt".

"Remove his hat," ordered the ship' s captain sternly.

It was discovered that the man was entirely bald.

"Aha!" exclaimed the great detective without a moment' s hesitation." He has committed not one murder, but about one million !"

The detective declared the mystery solved before he______.

A.found the hair

B.produced the microscope

C.searched for the murderer

D.glanced at the corpse

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第3题

根据以下内容回答题:

Celebrities lead very stressful lives,for no matter how fascinating or powerful they are,they have too little privacy,too much pressure,and no safety.For one thing,celebrities don’t have the privacy an ordinary person has.The most personal details of their lives are printed on the front pages of the National Enquirer and the Globe so that bored supermarket shoppers can read about“Leonardo DiCaprio’s Awful Secret”or“The Heartbreak behind Winona Ryder"s Smile”.Even a celebrity’s family is made public.A teen-age son’s arrest for using drug or a wife’s drinking problem becomes the subject of headlines.Photographers chase celebrities at their homes,in restaurants,and on the street,hoping to get a picture of Halle Berry in curlers or Jim Carrey drinking beer.When celebrities try to do the things that normal people do,like eat out or attend a football game,they run the risk of being interrupted by thoughtless photographers. Celebrities must also cope with the constant pressure of having to look great and act fight.Their physical appearance is always under observation.Famous women,especially,suffer from public attention,inviting remarks like“She really looks old”or“Boy,has she put on weight.”Embarrassing pictures of celebrities are sold at hi|gh prices,which increases the pres-sure on celebrities to look good at all times.Famous people are also under pressure to act“calm and collected under any circumstances.Because they are constantly observed,they have no freedom to be angry or to do something just a little crazy. Most important,celebrities must deal with the stress of being in constant danger.The friendly behaviors such as kisses of enthusiastic fans can quickly turn into uncontrolled attacks on a celebrity’s hair,clothes,and car.Most people agree that photographers brar some respon-sibility for the death of one of the leading celebrities of the 1990s——Princess Diana.Whether or not their pursuit caused the accident that took her life.it"s clear she was chased by reporters like an escaped prisoner chased by police dogs.And celebrities can even fall victim to deliber-ately deadly attacks.The attempts to kill Ronald Reagan and the murder of John Lennon came about because two unbalanced people could not get these world·famous figures off their minds. As a result,famous people must live with the fact that they are always fair game——and never out of season.

Leonardo DiCaprio and Winona Ryder are probably names of __________.

A.shoppers

B.celebrities

C.reporters

D.photographei"s

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第4题

Just how much does the Constitution protect your digital data? The Supreme Court will now consider whether police can search the contents of a mobile phone without a warrant if the phone is on or around a person during an arrest.

California has asked the justices to refrain from a sweeping ruling particularly one that upsets the old assumption that authorities may search through the possessions of suspects at the time of their arrest. It is hard, the state argues, for judges to assess the implications of new and rapidly changing technologies. The court would be recklessly modest if it followed California’s advice. Enough of the implications are discernable, even obvious, so that the justices can and should provide updated guidelines to police, lawyers and defendants.

They should start by discarding California’s lame argument that exploring the contents of a smart phone — a vast storehouse of digital information — is similar to, say, rifling through a suspect’s purse. The court has ruled that police don’t violate the Fourth Amendment when they sift through the wallet or pocketbook of an arrestee without a warrant. But exploring one’s smart phone is more like entering his or her home. A smart phone may contain an arrestee’s reading history, financial history, medical history and comprehensive records of recent correspondence. The development of “cloud computing,” meanwhile, has made that exploration so much the easier.

Americans should take steps to protect their digital privacy. But keeping sensitive information on these devices is increasingly a requirement of normal life. Citizens still have a right to expect private documents to remain private and protected by the Constitution’s prohibition on unreasonable searches.

As so often is the case, stating that principle doesn’t ease the challenge of line-drawing. In many cases, it would not be overly onerous for authorities to obtain a warrant to search through phone contents. They could still invalidate Fourth Amendment protections when facing severe, urgent circumstances, and they could take reasonable measures to ensure that phone data are not erased or altered while a warrant is pending. The court, though, may want to allow room for police to cite situations where they are entitled to more freedom.

But the justices should not swallow California’s argument whole. New, disruptive technology sometimes demands novel applications of the Constitution’s protections. Orin Kerr, a law professor, compares the explosion and accessibility of digital information in the 21st century with the establishment of automobile use as a virtual necessity of life in the 20th: The justices had to specify novel rules for the new personal domain of the passenger car then; they must sort out how the Fourth Amendment applies to digital information now.

26. The Supreme Court will work out whether, during an arrest, it is legitimate to

A.prevent suspects from deleting their phone contents.

B.search for suspects’ mobile phones without a warrant.

C.check suspects’ phone contents without being authorized.

D.prohibit suspects from using their mobile phones.

The author’s attitude toward California’s argument is one ofA.disapproval

B.indifference

C.tolerance

D.cautiousness

The author believes that exploring one’s phone contents is comparable toA.principles are hard to be clearly expressed

B.the court is giving police less room for action

C.citizens’ privacy is not effectively protected

D.phones are used to store sensitive information

Orin Kerr’s comparison is quoted to indicate thatA.the Constitution should be implemented flexibly

B.new technology requires reinterpretation of the Constitution

C.California’s argument violates principles of the Constitution.

D.principles of the Constitution should never be altered

The author believes that exploring one’s phone contents is comparable toA.getting into one’s residence

B.handling one’s historical records

C.scanning one’s correspondences

D.going through one’s wallet

请帮忙给出每个问题的正确答案和分析,谢谢!

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第5题

阅读2:Just how much does the Constitution protect your digital data?

Just how much does the Constitution protect your digital data? The Supreme Court will now consider whether police can search the contents of a mobile phone without a warrant if the phone is on or around a person during an arrest.

California has asked the justices to refrain from a sweeping ruling particularly one that upsets the old assumption that authorities may search through the possessions of suspects at the time of their arrest. It is hard, the state argues, for judges to assess the implications of new and rapidly changing technologies.

The court would be recklessly modest if it followed California’s advice. Enough of the implications are discernable, even obvious, so that the justices can and should provide updated guidelines to police, lawyers and defendants.

They should start by discarding California’s lame argument that exploring the contents of a smart phone — a vast storehouse of digital information — is similar to, say, rifling through a suspect’s purse. The court has ruled that police don’t violate the Fourth Amendment when they sift through the wallet or pocketbook of an arrestee without a warrant. But exploring one’s smart phone is more like entering his or her home. A smart phone may contain an arrestee’s reading history, financial history, medical history and comprehensive records of recent correspondence. The development of “cloud computing,” meanwhile, has made that exploration so much the easier.

Americans should take steps to protect their digital privacy. But keeping sensitive information on these devices is increasingly a requirement of normal life. Citizens still have a right to expect private documents to remain private and protected by the Constitution’s prohibition on unreasonable searches.

As so often is the case, stating that principle doesn’t ease the challenge of line-drawing. In many cases, it would not be overly onerous for authorities to obtain a warrant to search through phone contents. They could still invalidate Fourth Amendment protections when facing severe, urgent circumstances, and they could take reasonable measures to ensure that phone data are not erased or altered while a warrant is pending. The court, though, may want to allow room for police to cite situations where they are entitled to more freedom.

But the justices should not swallow California’s argument whole. New, disruptive technology sometimes demands novel applications of the Constitution’s protections. Orin Kerr, a law professor, compares the explosion and accessibility of digital information in the 21st century with the establishment of automobile use as a virtual necessity of life in the 20th: The justices had to specify novel rules for the new personal domain of the passenger car then; they must sort out how the Fourth Amendment applies to digital information now.

26. The Supreme Court will work out whether, during an arrest, it is legitimate to

[A] prevent suspects from deleting their phone contents.

[B] search for suspects’ mobile phones without a warrant.

[C] check suspects’ phone contents without being authorized.

[D]prohibit suspects from using their mobile phones.

27. The author’s attitude toward California’s argument is one of

[A] disapproval.

[B] indifference.

[C] tolerance.

[D]cautiousness.

28. The author believes that exploring one’s phone contents is comparable to

[A] getting into one’s residence.

[B] handling one’s historical records.

[C] scanning one’s correspondences.

[D] going through one’s wallet.

29. In Paragraph 5 and 6, the author shows his concern that

[A] principles are hard to be clearly expressed.

[B] the court is giving police less room for action.

[C] citizens’ privacy is not effectively protected.

[D] phones are used to store sensitive information.

30. Orin Kerr’s comparison is quoted to indicate that

[A] the Constitution should be implemented flexibly.

[B] new technology requires reinterpretation of the Constitution.

[C]California’s argument violates principles of the Constitution.

[D]principles of the Constitution should never be altered

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第6题

听力原文: The FBI has made 3 arrests in a terror probe on US soil for making false statements. The 3 men in custody, Najibullah Zazi, his father, also an acquaintance of theirs, Akmad Afzali, all are charged with lying to the FBI during a terror interrogation. In Najibullah Zazi's case, it has to do with a file on his computer which included 10 pages of hand written notes detailing how to build a bomb. According to court documents, he told the FBI he didn't write them, he didn't put them on his computer. But according to the document, FBI forensics indicates that he did write them and did put them there. Also in these documents, Najibullah Zazi has admitted to authorities that he attended a terrorist trainilag camp in Pakistan where he got weapons and explosives training, this despite the fact that Zazi and his attorney said that they had made no such admission to authorities. As for the father and for the acquaintance in New York, they allegedly lied to authorities about a series of telephone calls in which they alerted Najibullah Zazi to the fact that he was under investigation. No specifics of any alleged plot are laid out in these documents and a justice department official says he still does not have the details on the targeting, the timing or the location of any attacks, but this investigation certainly still continuing in the US and around the world.

(30)

A.Because they owned bombs.

B.Because they lied to the FBI.

C.Because they threaten people's life.

D.Because they revolt the FBI.

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第7题

听力原文:M: I hear restaurants that specialize in food from one particular country can be very expensive.

W: You're right in a way. But they can range widely in cost from inexpensive to very expensive.

Q: What does the woman think of such restaurants?

(18)

A.She thinks they are expensive.

B.She doesn't think they are expensive.

C.She thinks some are not expensive.

D.She has no idea about this.

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第8题

They’ll have you ________ if you don’t pay your taxes.

A) to be arrested

B) arrest

C) arrested

D) being arrested

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第9题

These magazines are both interesting and instructive. No wonder they______ to the reading public.

A.appeal

B.fascinate

C.arrest

D.tempt

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