男性,66岁,高血压病10年,劳力性心前区疼痛2年。平时活动量稍大或上三楼时出现胸部疼痛,休息缓解。近1个月发作频繁,1~2次/天,约15分/次,休息时也有发作。发作时心电图ST段压低 |
两位理论物理学家弗朗索瓦·恩格勒和彼得·希格斯因希格斯玻色子的理论预言获2013年诺贝尔物理学奖。1964年,他们分别提出希格斯机制与希格斯玻色子理论。这一理论预言为2011年、2012年的科学发现所证实。希格斯玻色子的发现过程表明()
①认识可以先于实践而产生
②实践是检验认识正确与否的唯一标准
③没有不可认识之物,只有尚未认识之物
④人们可以通过实践活动创造出世界上不存在的物质
Passage Five Everything has a name. All people, places, and things have names. For example, Jenny is the name of a student from England. England is the name of her country. Cities and towns have names, too. Schools and office buildings also have names. All things have names. For example, tomato, potato and bean are names of vegetables. Apple, orange and banana are names of fruits. Names are important. We use names every day. When we meet a new person, we usually ask, "What’ s your name" It is important to learn a person’ s name. Most people have two names. Some people have more names. Names are different all over the world. In Jenny’ s class, Jenny must learn the names of students from all over the world. This is very difficult because the names are very different. In the United States, most people have a first name, a middle name, and a last name. Parents choose the first and middle names for their baby. There are names for boys and names for g
A. the father' s
B. the grandfather' s
C. the mother' s
D. the grandmother' s
October 2, 2009
Dear Dr. Johnson,
The Economics Department of National University is pleased to appoint you to be this year’s guest speaker at the university’s annual international symposium (研讨会), which will be held for one week from December 2nd to 9th, 2009. This year’s topic will be regarding Asia Financial Crisis. About 35 people from across many countries will be attending the symposium. They would be glad to meet you and share their problems and interests with you.
The university will pay fee according to the enclosed contract.
As the program is to be announced on October 17th, 2009, will you kindly let us know by that time whether your busy schedule will allow you to attend our symposium We are looking forward to your favorable reply.
Dean of the Economics Department of National University
2014年一季度我国吸收外资展现如下特点:服务业实际使用外资保持增长,实际使用外资金额173.92亿美元;亚洲主要国家/地区对华投资总体保持稳定增长态势,东盟对华实际投入外资金额19.66亿美元;中西部地区实际使用外资增长较快,占全国比重提高,为20.5%。材料中我国吸收外资的特点表明()
①我国更加注重“引进来”的质量和水平
②我国更加注重区域协调发展,中西部已成为外资利用的主阵地
③我国顺应经济全球化的趋势,主要依赖外资发展经济
④我国积极抓住经济全球化的有利影响
A new kind of machine (21) to take the place of humans. These machines (22) do jobs that are too dangerous for humans. (23) , they are being developed to work in nuclear power centers, deep waters and outer space.
This is how the new machines work. A machine (24) placed in an area far away from the person who controls it. The person wears a special hard bat with tiny television screens. The screens (25) the person see and hear exactly what the machine is (26) and hearing. This gives the person the feeling of being in the same place (27) the machine. The person controls the machine. The machine (28) the person’s movements exactly. If the person raises his right arm, the machine raises the right arm, too. This means an (29) worker can do a dangerous job while (30) in a safe place. For example, a person can direct the machine (31) a bomb (32) going near the bomb himself.
The new
A. was
B. being
C. is
D. are
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