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  3. Many workers who worked in the World Trade Center after the September eleventh attacks became sick. They breathed a mix of dust,

Many workers who worked in the World Trade Center after the September eleventh attacks became sick. They breathed a mix of dust,

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问题     Many workers who worked in the World Trade Center after the September eleventh attacks became sick. They breathed a mix of dust, smoke and chemicals in the ruins of the Twin Towers and a third building that fell. Some went clays without good protection for their【C1】______. Five years later, many of the thousands who worked at Ground Zero in the early days after the attacks still have health problems.
    Doctors at Mount Sinai Medical Center in New York City have【C2】______the results of the largest study of these workers. The study【C3】______high rates of breathing problems in members of the building traders, firefighters, police officers and other workers. Almost seventy percent of the workers in the study had a new or worsened breathing problem. These problems developed during or after their time working in the mountain of【C4】______. About sixty percent still had breathing problems at the time of their【C5】______. The researchers say they decided to study the effects on breathing first because other disorders might be slower to appear. Mount Sinai says it tested almost twelve thousand people between two thousand two and two thousand four. Eight out of ten of them agreed to have their results used in the report. The new results added strength to a Mount Sinai study released in two thousand four. That study was based on only about one thousand workers.
    Some lawmakers have【C6】______criticized city and state officials for letting workers labor at Ground Zero without【C7】______equipment. Officials have also been【C8】______for saying the air was relatively safe. State and federal【C9】______have promised more than fifty million dollars to pay for 【C10】______of the workers. Doctor Robin Herbert is one of the directors of the Mount Sinai testing program. She says people are still coming to the hospital for treatment of problems that were caused by the dust at Ground Zero. In her words:" My worry is that money will be gone in a year, and what happens then?"
A) wreckage B) criticized C) commented D) lungs E) treatment
F) body G) examination H) announced I) promised J) confirmed
K) workers L) sharply M) satisfactory N) rubbish O) officials
【C9】
选项
答案O
解析 此处应填入一个名词，根据上下文，应该是政府官员被批评，于是作出承诺。
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