题目内容

在西方音乐发展史上,出现了许多具有重要影响的音乐家,下列选项中,被誉为“交响曲之父”的作曲家是()。

A. 巴赫
B. 莫扎特
C. 海顿
D. 贝多芬

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此病并发感染时最多见的是

A. 呼吸道感染
B. 腹膜炎
C. 尿路感染
D. 皮肤丹毒
E. 胃肠炎

【C9】

A. debt
B. price
C. cost
D. profit

Pollution caused by motor vehicles can kill more people a year than road accidents. The World Health Organization(WHO)has found that after studying【C1】______ countries— Austria, France and Switzerland. Long-term【C2】______ to exhaust fumes caused the premature death of 21 000 people【C3】______ respiratory and heart disease in the three countries,【C4】______ with nearly 10 000 deaths from accidents, WHO【C5】______ said last week. The report was prepared for【C6】______ to a conference of 70 environment and health ministers being organized by the United Nations agency in London. "The growing evidence【C7】______ air pollution is causing a major health burden adds to the effects of road traffic through noise, accidents and barriers【C8】______ cycling and walking, and we need to approach this head on," said Carlos Dora, a doctor with the WHOs European center for environment and health. "We are paying a huge【C9】______ for this excessive road transport; with our money and with our health. " One-third of pollution from fine particles which congest the lungs was【C10】______ by motor vehicles, rising to one-half in cities, the WHO found.
【C1】

A. typical
B. European
C. industrial
D. Asian

在教育调查研究中,有效问卷的回收率一般不低于()

A. 20%
B. 40%
C. 60%
D. 80%

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