问题 材料分析题

2009年11月11日至12日,河北省中南部普降大到暴雪。11日14时,石家庄市区累积积雪深度分别达49厘米,井陉积雪最深51厘米。截止12日,邢台市的降水量在16.1-43.4毫米之间,其中,市区降水量达到43.4毫米,积雪深度达到48厘米。这次降雪持续时间之长、雪量之大,是1954年有气象记录以来的历史最高纪录。雪灾造成大量房屋、工棚、圈舍、农作物大棚等倒塌、车辆砸损。据民政部门统计,截至12日13时,河北省石家庄、邢台、邯郸、保定等设区市的29个县(市、区)遭雪灾袭击,受灾人口63万余人,直接经济损失逾4亿元人民币。其中邢台市灾情尤甚,逾31万人受灾,直接经济损失超过2亿4千万元。

(1)自然灾害频繁发生说明了什么?

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(2)上述自然灾害给我们什么警示?

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答案

(1)说明由于人口过快增长,人类对自然的过度开发,导致自然资源日益枯竭,自然环境日益恶化,严重破坏了生态平衡,最终使人类自身的生存受到了威胁。也说明了人类的生存和发展离不开良好的自然环境。

(2)上述自然灾害警示我们:人类必须尊重大自然,善待大自然,与大自然和谐相处。

单项选择题
单项选择题

When an invention is made, the inventor has three possible (1) of action open to him: he can give the invention to the world by publishing it, keep the idea (2) , or patent it.

A (3) patent is the result of a bargain (4) between an inventor and the state, hut the inventor gets a limited period of monopoly and publishes full details of his invention to the public after that period (5) .

Only in the most exceptional circumstances (6) the lifespan of a patent (7) to alter this normal process of events.

The longest extension ever (8) was to Georges Valensi; his 1939 patent for color TV receiver circuit was extended until 1971 because for most of the patent’s normal life there was no color TV to (9) and thus no hope for reward for the invention.

Because a patent remains permanently (10) after it has terminated, the shelves of the library attached to the (11) office contain details of literally millions of ideas that are free for anyone to use and, if (12) than half a century, sometimes even repatent. Indeed, patent experts often advise anyone (13) to avoid the high cost of conducting a search through (14) patents that the one sure way of violation of any other inventor’s right is to plagiarize a dead patent. Likewise, because publication of an idea in any other form (15) invalidates further patents on that idea, it is traditionally (16) to take ideas from other areas of print. Much modern technological advance is (17) on these presumptions of legal security.

Anyone closely (8) in patents and inventions soon learns that most "new" ideas are, in fact, as old as the hills. It is theft reduction to commercial practice, either through necessity or dedication, or through the availability of new technology, (19) makes news and money. The basic patent for the theory for magnetic recording dates back to 1886. Many of the original ideas behind television originate (20) the late 19th and early 20th century. Even the Volkswagen rear engine ear was anticipated by a 1904 patent for a cart with the horse at the rear.

9()

A.receiving

B.sending

C.receive

D.send