Nancy walked out into the yard and took a deep (1) of cool, fresh air. She was eager to begin work. This time of year, with the new growth everywhere, always made her feel that she had to help things (2) . She gathered her tools and went to the patch of freshly turned earth and began to (3) rows of holes. Then she carefully picked up one fragile plant and (4) it in a hole. Over and over she performed this same task and then gently patted the earth around each plant. Her growling stomach and the sun high overhead told her when it was time to (5) .
1（）| Faith in medicine runs deep in America.
We spend more per person on health care than any other nation. Whether we eat
too much or exercise too little, whether we’re turning gray or feeling blue, we
look to some pill or procedure to make us better. We assume that devoting ever more dollars to medicine will bring us longer, healthier lives. But there is mounting evidence that each new dollar we devote to the current health care system brings small and diminishing returns to public health. Today the United States spends more than $4 500 per person per year on health care. Costa Rica spends less than $ 300. Yet life expectancy at birth is nearly identical in both countries. Despite the highly publicized" longevity revolution," life expectancy among the elderly in the United States is hardly improving. Yes, we are an aging socie A. have a healthier way of life B. enjoy a longer life expectancy C. are more dependent on medicine D. are less concerned about their health [单项选择] Underground Coal Fires
Coal burning deep underground in China, India and Indonesia is threatening the environment and human life, scientists have warned. These large scale ______ (51) blazes (火焰) cause the ground temperature to heat up and kill surrounding vegetation, produce greenhouse gases and can ______ (52) ignite (点燃) forest fires, a group of scientists told the annual meeting of the American Association for the Advancement of Science in Denver . The resulting ______ (53) of poisonous elements like mercury can also pollute local water sources and soils, they warned.
“Coal fires are a global disaster,” said Associate Professor Glenn Stracher of East Georgia Collage in Swainsboro, USA. But ______ (54) few people know about them.
Coal can heat up on its own, and eventually catch fire and burn, if there is a continuous oxygen supply. The heat produced is not caused to ______ (55) and under the right combinations of sunlight and oxy
A. only B. even C. just D. then 我来回答: 提交
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