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On July 7th, I was traveling in London. I was having breakfast at a hotel very near Liverpool Street Station when the first explosion was detonateD.Hearing the sirens and seeing London’s emergency personnel respond to the bombings brought back vivid memories of the events of Sept. 11, 2001.
People have not forgotten Sept. 11, 2001. Americans can still recall exactly where they were and what they were doing on that fateful day. But it’s understandable that some remember it as historical fact, lacking the painful impact and immediacy they originally felt. If we allow a dimming of purpose—to eliminate terrorism—these terrorist attacks in London serve as another chilling reminder that we’re still at war.
Something constructive emerges from these tragic, horrible and unexplainable attacks. It is the message that we must remain vigilant in opposing an enemy who intentionally targets innocent civilians.
Since Sept. 11, 2001, the civilized nations of the world have remained mostly united in opposing these despicable, wanton acts of terror. We have had some great successes in that effort. We have arrested perpetrators and plotters, and we have foiled planned attacks. We have reduced the power and scope of those who despise freedom and democracy.
The effort must continuE.As we learned Thursday—and in Madrid and Bali—the enemies of freedom have not lost their resolvE.We must not lose ours.
Ultimately, the only real defense from terrorist attacks is being able to find out about them in advancE.Intelligence gathering has improved but needs to be even stronger, including consistently improving human intelligence and patrol. Police and ordinary citizens must be alert and encouraged to convey information.
Once a terrorist incident does occur, there’s no such thing as a perfect responsE.By definition, a terrorist attack means people are being hurt or killeD.But by studying the response to past attacks, we can better prepare to handle those in the futurE.
London is one of the most secure cities in the world, steeped in years of dealing with terrorism. The city’s preparation and resolve was evident on Thursday. I am very impressed by London’s reaction to the bombings. Both the emergency personnel and the citizens seemed prepareD.The first responders were rapid, well-directed, organized and professional, in accordance with obviously well-tested plans.
As for the citizens, at least a dozen people told me in one way or another, 'We knew this was going to happen; it was just a question of when.'
That is not only a realistic assessment; it also is a mindset that just might save lives. Political, business and community leaders are sometimes reluctant to talk about terrorism or stage drills to prepare their response because they don’t want to frighten or upset peoplE.But that’s a mistakE.People react to emergencies more effectively when they’re not shocked by them.
Tony Blair and London Mayor Ken Livingstone have made preparedness a priority, and their efforts clearly paid off during Thursday’s response to the attacks.
There’s another benefit to preparing for terrorism in advancE.Part of the damage the terrorists hope to inflict is the emotional reaction in the wake of the destruction. The reason it’s called' 'terrorism' is that they want fear and its debilitating effects to linger long after the smoke has cleareD.
By preparing citizens for the possibility of a terrorist attack, leaders can help minimize the emotional response in the wake of the destruction.
Finally, Thursday’s attacks demonstrate that we must remain committed to confronting and eliminating terrorism. There are those who assert that the efforts to eliminate terror are somehow provoking the terrorists. That is wrong. The terrorists have been attacking innocent people long before Sept. 11, 2001, or the wars in Afghanistan or Iraq.
Seeing Prime Minister B
A.people in London did not feel painful.
B.we must be on the alert for terrorism.
C.we should stay at home to avoid terrorism.
D.the effort at anti-terrorism was in vain.

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【参考答案】

B
解析:第3段最后一句提到,在反对蓄意以无辜平民为袭击目标的敌人肘,必须保持警醒。文中的remain vigi......

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Researchers who picked up and analyzed wild chimp droppings said on Thursday they had shown how the AIDS virus originated in wild apes in Cameroon and then spread in humans across Africa and eventually the worlD.Their study, published in the journal Science, supports other studies that suggest people somehow caught the deadly human immunodeficiency ,virus (HIV) from chimpanzees, perhaps by killing and eating them.'It says that the chimpanzee group that gave rise to HIV… this chimp community resides in Cameroon,' said Beatrice Hahn of the University of Alabama, who led the study. 'But that doesn’t mean the epidemic originated there because it didn’t,' Hahn, who has been studying the genetic origin of HIV for years, said in a telephone interview.'We actually know where the epidemic took ofF.The epidemic took off in Kinshasa, in BrazzavillE.' Kinshasa is in the Democratic Republic Congo, formerly Zaire, and faces Brazzaville, in Congo, across the Congo River. Studies have traced HIV to a man who gave a blood sample in 1959 in Kinshasa, then called LeopoldvillE.Later analysis found the AIDS viros.In people, HIV leads to AIDS but chimps have a version called simian immune deficiency virus (SIV) that causes them no harm. Humans are the only animals naturally susceptible to HIV. AIDS was only identified 25 years ago. The virus now infects 40 million people around the world and has killed 25 million. Spread in blood, sexual contact and from mother to child during birth or breastfeeding, HIV has no cure and there is no vaccine, although drug cocktails can control it.And like so many new infections, AIDS appears to have been passed to humans from animals they slaughtereD.SIV has been found in captive chimps but Hahn wanted to show it could be found in the wild too. Her international team got the cooperation of the government in Cameroon and they hired skilled trackers.'The chimps in that area are hunteD.It’s certainly impossible to see them. It is hard to track them and find these materials,' she saiD.But the trackers managed to collect 599 samples of droppings. Hahn’s lab found DNA, identified each individual chimp and then found evidence of the virus.'We went to 10 field sites and we found evidence of infection in fivE.We were able to identify a total of 16 infected chimps and, we were able to get viral sequences from all of them,' Hahn saiD.Up to 35 percent of the apes in some communities were infecteD.Not only that, they could find different varieties, called clades, of the virus.'We found some of the clades were really, really very closely related to the human virus and others were not,' she saiD.Chimps separated by a fiver were infected with different clades, Hahn saiD.And a river may have carded the virus into the human population. 'So how do you get from southern Cameroon to the Democratic Republic of Congo?' Hahn askeD.'Some human must have done so. There is a river that goes from that southeastern comer of Cameroon down to the Congo River.'Ivory and hardwood traders used the Sangha River in the 1930s, when the original to-human transmission is believed to have happeneD.Haha’s study suggests the virus passed from chimpanzees to people more than oncE.'We don’t really know how these transmissions occurred,' Hahn saiD.'We know that you don’t get it potting a chimp, or from a toilet seat, just like you can’t get HIV from a toilet seat. It requires exposure to infected blood and infected body fluids. So if you get bitten by an angry chimp while you are hunting it, which could do it.'Hahn’s study only applies the H1V group M, which is the main strain of the virus responsible for the AIDS pandemiC.'It’s quite possible that still other (chimpanzee SIV) lineages exist that could pose risks for human infection and prove problematic for HIV diagnostic and vaccines,' her team wrotE.According to Hahn, the HA.Cameroon.B.Kinshasa and BrazzavillE.C.Congo River.D.Nile River.
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