什么是混凝土的收缩?如何减少混凝土收缩?

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问题:

什么是混凝土的收缩?如何减少混凝土收缩?

考点:土木建筑工程建筑结构建筑结构题库
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据考古资料显示,我国的钻孔技术开始于山顶洞人时代。

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The French word renaissance means rebirth. It was first used in 1855 by the historian Jules Michelet in his History of France, then adopted by historians of culture, by art historians, and eventually by music historians, all of whom applied it to European culture during the 150 years spanning 1450-1600. The concept of rebirth was appropriate to this period of European history because of the renewed interest in ancient Greek and Roman culture that began in Italy and then spread throughout Europe. Scholars and artists of this period wanted to restore the learning and ideals of the classical civilizations of Greece and Rome. To these scholars this meant a return to human. Fulfillment in life became a desirable goal, and expressing the entire range of human emotions and enjoying the pleasures of the senses were no longer frowned on. Artists and writers now turned to religious subject matter and sought to make their works understandable and appealing.

These changes in outlook deeply affected the musical culture of the Renaissance period--- how people thought about music as well as the way music was composed and experienced. They could see the architectural monuments, sculptures, plays, and poems that were being rediscovered, but they could not actually hear ancient music --- although they could read the writings of classical philosophers, poets, essayists, and music theorists that were becoming available in translation. They learned about the power of ancient music to move the listener and wondered why modern music did not have the same effect. For example, the influential religious leader Bernardino Cirillo expressed disappointment with the learned music of his time. He urged musicians to follow the example of the sculptors, painters, architects, and scholars who had rediscovered ancient art and literature.

The musical Renaissance in Europe was more a general cultural movement and state of mind than a specific set of musical techniques. Furthermore, music changed so rapidly during this century and a half-though at different rates in different countries---that we cannot define a single Renaissance style.

1. What does the author mean by using the word “eventually” in line 3?

A. That music historians used the term “Renaissance” after the other historians did

B. That most music historians used the term “Renaissance”

C. The term “Renaissance” became widely used by art historians but not by music historians

D. That music historians used the term “Renaissance” very differently than it had been used by Jules Michelet

2. The phrase "frowned on" in line 9 is closest in meaning to

A. given up     B. forgotten about   C. argued about  D. disapproved of

3. It can be inferred from the passage that thinkers of the Renaissance were seeking a rebirth of__.

A. communication among artists across Europe

B. spirituality in everyday life

C. a cultural emphasis on human values

D. religious themes in art that would accompany the traditional secular themes

4. According to the passage, why was Bemardino Cirillo disappointed with the music of his time?

A. It was not complex enough to appeal to musicians.

B. It had little emotional impact on audiences.

C. It was too dependent on the art and literature of his time.

D. It did not contain enough religious themes.

5. Which of the following is mentioned in the passage as a reason for the absence of a single Renaissance musical style?

A. The musical Renaissance was defined by technique rather than style.

B. The musical Renaissance was too short to give rise to a new musical style.

C. Renaissance musicians adopted the styles of both Greek and Roman musicians.

D. During the Renaissance, music never remained the same for very long.

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在基站设备的日常维护工作中,描述不正确的为()

A.检查电源线是否老化

B.晃动检查电源线连接是否紧固

C.电源线是否粘贴标签,但标签标识是否准确、清晰无关紧要

D.检查设备输入电压和开关电源输出电压是否在标称值范围内

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在T2000网管中,对已经结束的传输告警,执行“确认”操作之后将()

(A)该告警消失,转存入历史告警

(B)在该告警后面标记上确认时间

(C)该告警被删除

(D)该告警被自动存入MO数据库

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在工程实施中,监理工程师应经常对承包单位的技术操作工序进行控制,其中对重点的工序或操作进行面对面的不间断的监督称作()。

A.旁站

B.巡视

C.见证

D.平行检验

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