有关物理性爆炸和化学性爆炸的比较,正确的是()。A、化学性爆炸释瞬间释放出巨大的能量

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问题:

有关物理性爆炸和化学性爆炸的比较,正确的是()。

A、化学性爆炸释瞬间释放出巨大的能量,而物理性爆炸不释放能量

B、化学性爆炸与物理性爆炸前后物质成分和性质均不改变

C、化学性爆炸的实质是高速度的燃烧

D、储罐内的液化石油气受高温而引起的爆炸属于化学性爆炸

E、锅炉超压爆炸属于物理性爆炸

考点:市政公用工程1K415030城市燃气管道工程施工1K415030城市燃气管道工程施工题库
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货币和资本的根本区别在于( )。

A.能否购买商品

B.能否带来剩余价值

C.能否作为支付手段

D.能否作为流通手段

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“天宫一号”于2011年9月29日21时16分3秒在酒泉卫星中心成功发射.“天宫一号”能在离地面约343km高的近圆轨道上正常运行,2011年11月14日“天宫一号”与“神舟八号”飞船成功地完成了对接试验.下列说法中正确的是(  )

A.“天宫一号”的发射速度应大于第二宇宙速度

B.对接前,“神舟八号”欲追上“天宫一号”,必须在同一轨道上点火加速

C.对接时,“神舟八号”与“天官一号”的向心力大小一定相等

D.对接后,“天宫一号”的速度小于第一宇宙速度

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When Toyota’s president, Akio Toyoda, apologized for the recalls that have harmed Toyota’s reputation, he talked not just about his company’s fate, but also his nation’s.

“I hope to return Toyota to profit and contribute to the revitalization of Japan,” he said.

Once a leading symbol of Japan’s rise to global economic might, Toyota has become one of the most obvious signs of its decline. And even before the recalls, Japan’s rivals(竞争对手) from South Korea and China had started overtaking Japan in key industries from semi-conductors to flat-panel televisions. And Toyota on Tuesday issued another damaging recall, this time of its popular Prius car.

“At this rate, Japan will sink into the sea,” said Masatomo Tanaka, a professor at the Institute of Technologists. “If Toyota is not healthy, then Japan is not healthy.”

Many economists and business leaders say they hope that Toyota’s trouble will be the wake – up call that Japan needs to understand that its reliance on manufacturing(制造业) and industrial exports, which served the country so well after World War II, is no longer wise.

Yukio Noguchi, a professor of finance at Waseda University in Tokyo, said Japan must finally step into a post - industrial, service-based economy — a painful shift that the United States and Great Britain underwent in the 1980s. Others said Japan should focus on high-end, high-profit products, like robots and fuel cells, rather than mass-produced goods subject to quality-control issues.

“Even Toyota can fail. Even Lexus, even Prius,” said Mr. Noguchi. “Our world-leading manufacturing industry may no longer world-leading. This has a strong impact on the national psyche.”

According to the Cabinet Office, manufacturing accounted for 22% of Japan’s entire economic output in 2008, down from 28% in 1990. however, manufacturing’s share of the economy still remains far above the level of 12% in the US. And few economists or journalists here advocate abrupt shifting. Rather, the feeling is that Japan needs to find a new balance by replacing its traditional industries with more information technology and software industries in which it is weak.

Yet this shift will be hard for Japan, where many policy makers and experts still seem to cling to the old model of heavy industries and consumer goods. If Japan can pull it off, it could serve as a model for other export – dependent Asian nations, which will also eventually face the same choice.

“I hope that Toyota will change our way of looking at our economy,” Mr Noguchi said. “We cannot survive if we continue to stick to the old type of industries.”

67.Since the Second World War,          have been contributing much to Japan’s economy.

A.high – end and high – profit products like robots and fuel cells

B.manufacturing and industrial exports

C.information technology and software industries

D.industries from semi – conductors to panel – televisions

68.Which of the following statements is TRUE according to the passage above?

A.Few Japanese economists advocate a rapid shift into a service – based economy.

B.Most journalists in Japan advocate an abrupt change into a post – industrial economy.

C.Many economists hold that it is too early for Japan to shift into a service – based economy.

D.No Japanese reporters think it high time for Japan to step into a post – industrial economy.

69.The underlined part “cling to” probably means         in the passage.

A.hold on to       B.keep up with    C.turn to      D.pick up

70.From the passage we know the way out for Japan to get itself free from its decline consists in

.

A.keeping up its reliance on manufacturing

B.continuing to focus on its industrial export

C.speeding up its shift into a post – industrial economy

D.increasing its manufacturing

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法的各种具体表现形式是指()。

A.法律的渊源

B.法律的规范

C.卫生法

D.卫生法律

E.卫生法规

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舌部损伤缝合时应该保持舌长度,将创口按前后纵行方向进行缝合。()

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