In every day usage "hot" means "having
a lot of heat". Many people think that "cold" is something completely separated
from heat. But this is not true. "Cold" simply means "having very little
heat." Your life depends on heat. In fact, every living thing depends on it. (28) {{U}}Without heat, every living thing would be frozen to death.{{/U}} All living things get their heat from the sun, which provides the conditions in which life is possible. Since the dawn of history, man has been able to make his own heat. He has been able to release the sun’s heat that is trapped in things such as wood, coal and oil. And he has been able to use this heat. Heat has made civilization possible. With heat, man could melt metals. As man learned to use metals and fuels, industries grew. As a result, engines were invented. These A. man can get heat from things like wood, coal and oil B. man cannot get the heat directly from the sun C. only wood, coal and oil have heat D. all the sun’s heat is trapped in things [判断题]在选择配电网自动化方案时,当两电源间距不超过10km时,兼顾分段数量和自动化配合两方面的因素,可以用三断路器四分段方式,平均每段长度在2.5km左右。( )
A.正确 B.错误 [多项选择]现代西方国家城市政府的组织形式主要有()
A. 委员会制 B. 议会—经理制 C. 议会市长制 D. 长老会议制 E. 市长制 [单选题]铸铁是含碳量大于( )的铁碳合金。
A.0.004 B.4% C.2.11% D.0.21% [多项选择]下列关于技术分析法和基本分析法的说法不正确的是( )。
A. 技术分析法着重分析股票的内在投资价值 B. 基本分析法从股票市场的外部决定因素入手 C. 基本分析法只关心证券的收益 D. 技术分析法可以帮助投资者选择适当的投资机会和投资方法 [单选题]单选题考卷题上锁挂签的实施者是( )。
A.属地主管 B.项目部工程师 C.作业人员和操作人员 D.安全总监 [多项选择]《国务院关于促进健康服务业发展的若干意见》提出坚持把基本医疗卫生制度作为公共产品向全民提供的核心理念,广泛动员社会力量,多措并举发展健康服务业。以下关于健康服务业发展任务陈述正确的是()。
A. 加快发展健康养老服务:推进医疗机构与养老机构等加强合作,发展社区健康养老服务 B. 支持发展多样化健康服务:加快形成多元办医格局,优化医疗服务资源配置,推动发展专业、规范的护理服务 C. 积极发展健康保险:丰富商业健康保险产品,发展多样化健康保险服务 D. 全面发展中医药医疗保健服务:提升中医健康服务能力,推广科学规范的中医保健知识及产品 E. 夯实健康服务业发展基础:推进健康服务信息化,加强诚信体系建设 [单选题]铁路旅客票价中的附加票价包括加快票价和( )。
A.硬座票价、软座票价 B.硬座票价、卧铺票价 C.空调票价、软座票价 D.卧铺票价、空调票价 [单项选择]In the 1960s, Peru’s sugar industry was among the most efficient in the world. It was all downhill thereafter. A military government expropriated the sugar estates on the country’ s north coast, turning them into government-owned co-operatives. Having peaked at 1m tonnes in 1975, output fell to 400,000 tonnes by the early 1990s. But since then the sugar industry has passed into private hands again. Over the past decade production has returned to its historic peak—and is now set to boom.
The change has been gradual. The government has sold its stake in the industry in tranches. But now investors are piling in. As in other parts of South and Central America they are attracted by higher prices for sugar because of its use for ethanol. Industry sources predict that land under sugar will expand by 10,000 hectares (25,000 acres) a year, more than doubling output over the next decade. That would turn Peru into an exporter—though not on the scale of Brazil or Colombia. Last year, l A. Peru’s sugar industry was very successful in 1960s. B. Some sugar estates on the country’s north coast used to be government-owned. C. During the period of government owned, the sugar industry underwent a period of development. D. There must be revolutions in 1960s. 我来回答: 提交
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