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[主观题]
The major threat to world peace is the build-up of ______.
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更多“The major threat to world peac…”相关的问题
The author's main purpose is to______.
A．describe the life of Hans Moravec.
B．support the view that robots will play a major role in our life.
C．make fun of the views of Hans Moravec.
D．get people prepared for the threat of future robots.
43 The author's main purpose is to
A support the view that robots will play a major role in our life.
B describe the life of Hans Moravec.
C make fun of the views of Hans Moravec.
D get people prepared for the threat of future robots.
What is some researchers' concern according to the passage？
A．Obesity has become a major threat to the public health.
B．Fat people take up too much space and social resources.
C．Obesity is not taken seriously by global health officials.
D．There is growing negative perception about fat people.
What can be inferred from the passage？
A．China will become the major market for American e-commerce businesses.
B．China's e-commerce businesses would do business on their own.
C．American businesses' entry into Chinese market is a threat to China's e-commerce.
D．American giants will move out from European markets.
The author‘s main purpose is to 查看材料
A.describe the life of Hans Moravec
B.support the view that robots will play a major role in our life
C.make fun of the views of Hans Moravec
D.get people prepared for the threat of future robots
What problems are Asian countries facing according to the United Nations' report？
A．Problems of water-shortages.
B．Problems of flood, and the loss of farmland.
C．Most problems of environment.
听力原文： The Old Canada Road is a long lost trail between the Canadian province of Quebec and Maine in the northeast corner of the United States. Yes, it really was lost and finding it again was a
complex process that involved advanced technology: how the location of the roads was pinpointed was very interesting. And I'll return to it as soon as I gave you a little background information. The road was begun in 1817, a few years before Maine even became a state. At the time Quebec was a major market for livestock, crops and fish. So a road to Quebec was seen by officials in Maine as necessary for trade. For about 20 years the movement of people and goods was mostly from Maine to Quebec, and then the trend reversed as thousands of Canadians immigrated to Maine to escape poor crops, the lack of jobs and the threat of disease. I think it was a color epidemic. Besides its negative reasons major building projects in Maine also made the state very attractive for the Canadians who needed work. I should stress though that immigration during that period went in both directions. In fact the flow of people and goods went completely unhindered. There wasn't even a border post until around 1850. The people of the time saw Maine and Quebec as a single region mainly because of the strong French influence which is still evident in Maine today. Eventually the road fell into disuse as a major railway was completed. Finally people simply forgot about it and that's how it came to be lost. This brings me back to the original topic.
What does the speaker say about the road between Maine and Quebec？
A．It was built by the Canadians.
B．It was built to facilitate trade.
C．The path for the road was extremely difficult to clear.
D．Hostilities between Canada and the United States caused construction delays.
【M1】
Global Cancer Rates to Rise by 50% by 2020
The number of new cancer cases worldwide is expected to increase by 50% by the year 2020. But a new report suggests that as many as a third of new cancers could be avoided by adopting healthier lifestyles and through public health action.
The World Cancer Report, released by the International Agency for Research on Cancer, shows that cancer has now emerged as a major public health threat in developing countries as well as rich ones.
Overall, cancer was responsible for 12% of all deaths in 2000. But in many countries more than a quarter of all deaths are caused by cancer.
The report shows that 10 million new cancers were diagnosed globally in 2000, and that number is expected to rise to 15 million by 2020. Researchers say most of that increase will mainly be due to steadily aging populations in both developed and developing countries and current trends in smoking and other unhealthy habits.
"Cancer has emerged as a major public health problem in developing countries for the first time, matching its effect in industrialized (工业化的) countries," said researcher Paul Kleihues, MD, director of IARC, in a news release. "Once considered a 'Western' disease, the Report highlights that more than 50 percent of the world's cancer burden, in terms of both numbers of cases and deaths, already occurs in developing countries."
The risk of being diagnosed with cancer in developed countries is double that in less-developed ones. However, the risk of dying from cancer is much higher in developing countries, where 80% of cancer patients already have late-stage incurable tumors (肿瘤) at the time of diagnosis.
Researchers say cancer rates have traditionally been higher in developed countries due to greater exposure to tobacco, occupational carcinogens (致瘤物), and an unhealthy Western diet and lifestyle. As less-developed countries become industrialized and more prosperous, they tend to adopt the high-fat diet and low physical activity levels typically seen in the West, which increase cancer rates.
The report says that steps could be taken to reduce about
A．50% of new cancers.
B．33% of new cancers.
C．12%of new cancers.
D．80% of new cancers.
