单选题
Recent progress in public health has helped people live longer and healthier lives. There is abundant evidence of
1
the use of existing knowledge has led to major improvements in the life
2
and quality of life of middle-aged and older people. Yet approximately four in five chronic disease deaths now occur in low and middle income countries, whose people are also more
3
to dying prematurely.
The results of studies suggest that a global goal for preventing chronic disease is needed to generate the
4
actions required to reduce the disease burden. The target for this proposed goal is an additional 2% reduction in the death
5
from chronic disease annually over the next 10 years to 2015. The indicators for the measurement of success
6
this goal are the number of chronic disease deaths
7
and the number of healthy life years gained. This target was developed
8
the achievements of several countries, such as Poland, which achieved a 6-10% annual reduction in cardiovascular deaths during the 1990s. Similar results have been realized in a number of countries
9
in which comprehensive programs have been
10
.
【答案解析】[解析] life form:生命形式;life origin:生命起源;life expectancy:预期寿命;life story:生平。由于空白处后面有middle-aged and older people限制,不可能选择life form或life origin。“被改善的”也不可能是story。再考虑第二句中的quality of life,选择expectancy最为合理。
【正确答案】
B
【答案解析】[解析] 首先从语法上可排除easy和possible,(1)是因为:sb. is easy to do sth.是典型的错句,(2)是因为空白处后面的to是介词。be immune to的含义是“对……有免疫力”或“可免遭”,但在本文中与前面句子的意义矛盾,而be prone to的意义是“有……倾向”或“容易”。