通知、声明、商业广告、店堂告示、单据等的内容符合（）规定的，视为格式条款。 A.要约

化学就在我们身边，它能改善我们的生活。请从“A．氢气 B．纯碱 C．氮气 D．干冰 E．石油 F．烧碱 G．尿素 H．聚氯乙烯”中选择适当的物质填空(填字母)。

(1)被称为理想的“绿色能源”是_____；

(2)可用于人工降雨的物质是_____；

(3)侯氏联合制碱法中的“碱”是______；

(4)被誉为“工业的血液”的是______；

(5)空气中体积分数最大的是_______ 。

关于行政法规制定程序的说法，下列哪一选项是正确的( )

A．行政法规的制定程序包括起草、审查、决定和公布，立项不属于行政法规制定程序

B．几个部门共同起草的行政法规送审稿报送国务院，应当由牵头部门主要负责人签署

C．对重要的行政法规送审稿，国务院法制办经国务院同意后向社会公布

D．行政法规应当在公布后30日内由国务院法制办报全国人大常委会备案

某建筑公司于2012年1月签订了一项总金额为900万元的同定造价合同，最初预计总成本为800万元。2012年度实际发生成本700万元。2012年12月31日，公司预计为完成合同尚需发生成本300万元。该合同的结果能够可靠估计。2012年12月31日，该公司应确认的营业收入和资产减值损失分别为( )。

A．630万元和30万元
B．700万元和30万元
C．630万元和100万元
D．700万元和100万元

水结冰是一种化学变化。

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.

3（）

A.granted

B.granting

C.inventing

D.invented