题目内容

【题目】Mr.White, who comes from ____ European country, has fallen into_____habit of attending ____ church on Sundays.

A.an; /; the B.a; a; a

C.an; the; / D.a; the; /

【答案】D

【解析】

试题分析:考查冠词用法。句意:怀特先生,来自于一个欧洲国家,已经养成了在星期天去参加教堂的习惯。此句中European country可知在此指其中的某一个,故用不定冠词a修饰,属于泛指表示一个……;of短语修饰habit,可知此处是特指这个习惯,故用定冠词the;attend/go church固定用法,church前零冠词,故选D。

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【题目】D

Dogs can be trained to identify the smell of lung cancer long before symptoms develop.

A new study is the first to show that sniffer dogs can be relied upon to find the unique smell of the disease of in 7 out of 10 sniffers. Researchers from a hospital in Germany believe dogs could become even better at picking out cancer cases with more training, but the final goal is to identify the cancer-specific chemical compounds the dogs can smell, and develop a device that could be used to help diagnose lung-cancer victims at an earlier stage.

Lung cancer is Britains deadliest cancer, with over 39.000 cases diagnosed annually, of which only 25 percent will survive for a year, since the disease is mostly found at an advanced stage, when it is very difficult to treat. Early detection is often by chance, although scientists have been working on using samples of exhaled(呼出的) breath from patients for future screening. They attempt to use the samples to locate volatile organic compounds(VOCs) in the breath that are linked to the presence of cancer, but no reliable methods have been found so far that are lung-specific.

The researchers combined this approach with recent findings about the abilities of some dogs to alert their owners to undiagnosed cancer, probably through smell. This latest study used family dogs, which were given special training over an 11-week period to identify a VOC in the breath of patient.

The researches worked with 220 volunteers, including patients with lung cancer at early and advanced stage, patients with chronic pulmonary disease(慢性肺炎), and healthy volunteers. The dogs took part in a number of tests to see if they could reliably distinguish compounds in the breath of lung-cancer patients-even if they smoked. The dogs were asked to sniff glass tubes containing cotton impregnated(浸染) with samples of breath from those taking part and had to lie down if they detected a VOC from a lung cancer patient.

The dogs successfully identified 71 samples with lung cancer out of a possible 100. They also correctly detected 372 samples that did not have lung cancer out of a posible 400.

【1】What can we conclude from the research according to the passage?

A. The volunteers included patients with various cancer successfully

B. It used police dogs specially trained over a period.

C. It aimed to see if dogs could sniff cancer-specific compounds.

D. The dogs identified 372 samples with lung cancer successfully.

【2】We can infer from the passage that a VOC is probably a kind of _____.

A. liquid B. drug C. equipment D. chemical

【3】Which of the following is Not true according to the passage?

A. The research involved about a hundred dogs in all.

B. Dogs can usually detect the lung cancer patients well.

C. There are about 39,000 lung-cancer patients in Britain every year.

D. Lung cancer is Britains biggest cancer killer.

【4】What can be the best title of the passage?

A. A New Way to Treat Cancer

B. A New Way to Detect Disease

C. Dogs Can Sniff out Cancer

D. Dogs Can Protect People from Cancer

【题目】D

In June, an isolated tribe known to semi-permanently reside in Peru emerged from the forest on the neighboring Envira River in Brazil to make contact with the outside world. Such contact happens surprisingly often, but it is usually brief. “This is unique in that they’ve chosen to stay,” says Chris Fagan, director of the nongovernmental group Upper Amazon Conservancy.

Reportedly under threat from illegal loggers, a few dozen tribespeople remain near the village where they first emerged. They are under the supervision of FUNAI, Brazil’s agency for Indian affairs. During many past contact events, members of the isolated groups died after encountering modern diseases for the first time. But experts hope the group that emerged in June will fare (进展) better because members have stayed long enough to receive medical care. There’s still concern that other members of the group’s tribe may have remained in the forest, vulnerable to disease and unreachable by medical personnel.

“The worst-case scenario (方案) is that some people get sick and go back to the original tribe,” says University of Missouri anthropologist Robert Walker, who studies Amazonian populations. “That’s the huge worry.”

Walker, who studies satellite imagery (卫星图) of the rainforest for evidence of isolated villages, says four or five such nomadic hunter-gatherer groups live in the Envira River watershed, though he estimates between 50 and 100 isolated indigenous (土生土长的) groups live in Greater Amazonia. These groups often make fleeting (短暂的) contact to steal tools from frontier towns, but most, he says, remain isolated out of fear. “Some of these folks’ ancestors have been massacred,” he says. “They were contacted, violently, in the past.”

Now, with illegal loggers and drug smugglers invading land reserves established to protect the tribespeople’s way of life, these isolated groups are feeling pressured out of their homes. And although activist groups and government anthropologists train locals to temporarily leave the area when isolated tribes arrive as a way to prevent the spread of disease, lack of official protocols (协议), consistent enforcement and regular compensation for villagers often make it an ineffective solution.

These tribespeople “have a right to continue their lifestyle as long as they want to,” Fagan says. “There are land reserves set up to allow them to do that, and those reserves are failing.”

【1】Where do the tribespeople who make contact with the outside world live?

A. In the US. B. In Brazil.

C. In Peru. D. In Cuba.

【2】Mr Walker is __________.

A. director of the nongovernmental group Upper Amazon Conservancy

B. an official from the Brazilian government

C. an official from FUNAI, Brazil’s agency for Indian affairs

D. an anthropologist from America

【3】What does the underlined word “massacred” mean?

A. killed in a large number.

B. given enough medical treatment.

C. helped with tender care.

D. treated in a friendly way.

【4】From what Fagan says in the last paragraph, we can know _______.

A. It is unique that the tribespeople should ask to stay

B. The government did a lot to set up land rserves but ended up in vain.

C. These tribespeople dont have a right to continue their lifestyle as long as they want to.

D. The worst-case scenario is that some people get sick and go back to the original tribe.

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