题目内容

________ village where I was born has grown into ________ town.

A. The; a B. A; the C. The; the D. A; a

 

A

【解析】试题分析:考查冠词。第一空后的名词后有where引导的定语从句,故应是特指,用the;第二空表示一个城镇,故填不定冠词a。故选A。

【知识拓展】不定冠词的用法: 1) 表示某一类人或某事物中的任何一个,经常用在第一次提到某人或某物时,用不定冠词起介绍作用,表示一个。如:I gave him a book yesterday. 我昨天给了他一本书。2) 表示人或事物的某一种类, 强调整体, 即以其中的一个代表一类。 如:A horse is useful to mankind. 马对人类有用。3) 不定冠词用在事物的"单位"前,如时间, 速度, 价格等意义的名词之前,表示 "每一"。 如:We often go to school two times a day. 我们常常一天两次去学校。4)用在序数词前表示“再一”、“又一”。如:I want to go there a second time我想再一次去那里。5)不定冠词用来指某人某物,但不具体说明任何人或任何物。 如:A boy came to see you a moment ago. 刚才有一个小孩来找你。

考点:考查冠词。

 

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A new study has found no evidence that sunscreen, commonly used to reduce the risk of skin cancer, actually increases the risk.

Researchers from the University of Iowa based their findings on a review of 18 earlier studies that looked at the association between sunscreen use and melanoma(黑素瘤). They said that they found flaws in studies that had reported associations between sunscreen use and higher risk of melanoma.

Most health experts believe that by protecting the skin from the harmful effects of the sun, sunscreen helps prevent skin cancer, which is increasing in incidence(发生率)faster than any other cancer in the United States.

But questions have been raised about sunscreen and whether it may have the opposite effect, perhaps by allowing people to remain exposed to the sun longer without burning.

The researchers said that among the problems with some earlier studies is that they often failed to take into account that those people most at risk for skin cancer—people with fair skin and freckles(雀斑), for example—are more likely to use sunscreen. As a result, it may appear that sunscreen users get cancer more often.

The studies, which generally relied on volunteers to recall their sunscreen use, were also unable to prove how well the products had been applied, said the new study.

1.The underlined word “flaws” in the 2nd paragraph most probably means .

A. evidencesB. factsC. faults D. failures

2.People with fair skin and freckles .

A. seldom use sunscreen

B. are more in danger of skin cancer

C. can be free from the harm of the sun

D. often expose themselves to the sun

3.We can learn from the passage that .

A. sunscreen users get skin cancer more often

B. the volunteers have proved the effect of sunscreen

C. the new study was based on the experiences of volunteers

D. the number of skin cancer patients is increasing in America

4.Which of the following can be the best title for this passage?

A. Sunscreen to Prevent Skin Cancer

B. Sunscreen to Increase Skin Cancer

C. Skin Cancer Caused by Sunscreen

D. Skin Cancer Caused by Freckles

 

根据短文内容,从下框的A~F选项中选出能概括每一段主题的最佳选项,并在答题卡上将该选项涂黑。选项中有一项为多余项。

A. Real winners of tourism

B. Negative effects of tourism

C. Growing tourism in the world

D. Developing tourism with caution

E. Benefits to the locals from tourism

F. Tourism problems and possible solutions

 

1. __________________

On the Mediterranean island of Majorca in Spain, the locals are angry. Too late. In the last quarter of 20th century, they obtained profit from foreign visitors wanting to buy up property on their beautiful island. Suddenly, it occurred to Majorca that the island no longer belonged to them. Its 630,000 inhabitants(居民)are increasingly convinced that the 14 million visitors a year are far too much of a good thing. Water is in short supply, pollution is worsening, and there is no affordable housing left for them to buy.

2.__________________

Tourism is the world’s largest and fastest growing industry. In 1950, 25 million people traveled abroad; last year, it was 750 million. The World Tourism Organization predicts that 1.6 billion people, by 2020, will travel each year, spending over two trillion(万亿)US dollars.

3.__________________

The host country may not see many benefits. In Thailand, 60% of the $ 4 billion annual tourism income leaves the country. Tourists arrange by travel companies tend to stay at a big foreign-owned hotels, buying few local products. Mass tourism(团队旅游)usually leaves little money inside the country and most of the money goes to the airlines, the tour operators,and the foreign hotel owners, who are the final winners of tourism.

4.__________________

These days the industry’s most urgent question may be how to control the flow of tourist. A typical example of this is Italy, where great cultural centers like the Florence and Venice can’t handle all the tourists they get every summer. In Florence, it’s half inhabitants have to live with the pollution, traffic jam, and crime caused by 11 million visitors a year. Now there is talk about how to solve these problems, like raising hotel taxes, or even changing admission to some public squares. The idea is to discourage at least some visitors, as well as to pay for cleaning up the mess.

5.__________________

For many poorer countries, tourism may still offer the best hope foe development. The Vietnamese are doing their best to open up their country. Libya has paid $ 1 million for a study. They all wanted tourists. Yet if something isn’t done, tourism seems certain to become the victim of its success. Its effect on the environment is a major concern. For this reason, tourist organizations need to have second thoughts about what exactly they are trying to sell.

 

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