常用于干热灭菌有关的数值是 A．F值 B．E值 C．D值 D．F0值 E．Z值

In 1998 consumers could purchase virtually anything over the Internet. Books, compact discs, and even stocks were (1) from World Wide Websites that seemed to (2) almost daily a few years earlier, some people had predicted that consuners accustomed to shopping in stores would be (3) to buy things that they could not see or touch (4) . For a growing number of time-starved consumers, however, shopping from their home computer was proving to be a convenient (5) to driving to the store.

A research estimated that in 1998 US consumers could purchase $ 7.3 billion of goods over the Internet, double the 1997 total. Finding a bargain was getting easier, (6) the rise of online auctions and Websites that did comparison shopping on the Internet for the best (7) .

For all the consumer interest, (8) in eyberspaee was still a largely (9) business, however. Internet pioneer Amazon. eom, which began selling books in 1995 and later (10) into recorded music and videos, posted (11) of $ 153.7 million in the third quarter, up from $ 37.9 million in the same period of 1997. Overall, (12) , the company’ s loss widened to $ 45.2 million from $9.6 million, and analysts did not expect the company to turn a profit (13) 2001. (14) the great loss, Amazon. tom had a stock market value of many billions, reflecting investors’ (15) about the future of the industry.

Internet retailing appealed (16) investors because it provided an efficient means for reaching millions of consumers without having the cost of operating (17) stores with their armies of salespeople. Selling online carried its own risks, however, (18) so many companies competing tor consumers’ attention, price competition was (19) and profit (20) thin or nonexistent.

7（）

A.trade

B.exchange

C.commerce

D.deal

马克思、恩格斯在19世纪中期创立了科学社会主义理论，从此，在科学理论的指导下，社会主义运动蓬勃发展。阅读图文资料，回答问题。

材料一

新和谐公社图
《 * * 党宣言》发表110周年纪念邮票
巴黎公社100周年纪念邮票

（1）以上三幅图片，反映了国际社会主义运动怎样的发展趋势？ 材料二

攻占冬宫
井冈山会师

（2）马克思主义诞生后，在20世纪从理想变成现实，如材料二中的两幅图片反映出两国分别选择了什么样的革命道路？简要说明两国存在这种差异的根本原因。 ___________________________________________________________________________________________ （3）从材料二的图片所得出的分析中，你有什么认识？ ___________________________________________________________________________________________

在资本公积中不能直接转增资本的是“接受捐赠非现金资产准备、股权投资准备”。（）

法国朗香教堂是由著名的建筑大师（）设计的。

A.密斯.范德罗

B.格罗比乌斯

C.勒.柯布西耶

D.赖特

安全阀检验调整年限是（）。

A.半年

B.一年

C.二年