Controlling the Growing TB Crisis in China China needs to take urgent action to address a "vicious cycle" of poverty and tubercu

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问题 Controlling the Growing TB Crisis in China
China needs to take urgent action to address a "vicious cycle" of poverty and tuberculosis (TB) affecting a considerable number of Chinese people, especially in underdeveloped areas, the World Health Organization said on Monday.
The Chinese government needs to take "immediate necessary action" to control the spread of TB, which is "threatening the future of its 1.3 billion people", WHO said in a report released at the start of a three-day meeting to discuss TB in the Western Pacific region.
Poor living conditions and health care in rural China mean the TB infection rate is nearly three times higher than in urban areas, the report said. There are some factors that make the rural TB burden heavier such as insufficient funds for local health programs and increased charges for medical care, it said.
"This has uniformly produced a negative impact on TB diagnosis and treatment, especially in areas without specific funding targeted towards TB-related services," it said. The report, which is meant to foreshadow the seriousness of the TB crisis in China, suggests that China adopt a two-year program to control the disease.
The government should fund free TB drugs and diagnosis, health promotion and training, and supervised treatment programs at all levels, it said. "TB control should be considered as a key development issue and poverty reduction strategy," WHO Western Pacific regional director Dr. Shigeru Omi said at the opening of the meeting in Beijing.
A World Bank-funded project in 13 of China’s 31 provinces produced "astonishing" results, reducing the incidence of TB by 38 per cent in less than 10 years, WHO said. "This tremendous achievement tells us that the regional target of reducing the prevalence of TB by half in 10 years, though ambitious, is achievable," Omi said.
But TB "remains a relentless killer in the Western Pacific region", claiming around 1,000 lives daily in the region -- more than half of them in China, a WHO press statement said. "The worsening burden of TB has resulted in a great human tragedy and has had a profound impact on economic development in several countries in the region," the statement said.

选项 A、in rural areas is three times as high as that in urban areas.
B、in rural areas is nearly four times as high as that in urban areas.
C、in urban areas is two times lower than that in rural areas.
D、in urban areas is four times lower than that in rural areas.

答案B

解析 回答这道题,首先要熟悉英语对倍数的表示方法。一般可有下列两种:第一种就是利用形容词或副词的原级;第二种就是利用形容词或副词的比较级。例如:
This lake is twice as big as that.
这个湖的大小是那个湖的两倍(即:这个湖比那个湖大一倍)。
This factory is three times larger than that one.
这座工厂比那座工厂大三倍(即:这座工厂的大小是那座工厂的四倍)。
可见第三段第一句说的农村结核病感染率比城市大约高三倍与B(农村是城市的大约四倍)是完全一样的,只是表达方法不同而已。
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