甲工程建筑公司与乙、丙银行签订了借款合同，现甲公司资不抵债，宣告破产，此时 A．乙、

《担保法》中保证是指保证人与债务人约定，当债务人不履行债务时，保证人按照约定履行债务或者承担责任的行为。 ( )

物质的物理性质______就能表现出来．

对于 * * 癌，不恰当的是（）

A. * * 鳞状上皮癌好发部位为 * * 上1／3后壁和下1／3前壁

B. * * 癌分为原发性和继发性两类，以原发性为主

C. * * 鳞状上皮癌最常见

D. * * 癌的主要转移途径是淋巴转移和直接浸润

E.原发 * * 透明细胞腺癌常发生于青春期少女和年轻妇女，以及个别儿童

鉴别腹股沟斜疝与直疝最有价值的临床特点是

A．疝块的形状

B．疝块的位置

C．回纳疝块后压住深（内）环，增加腹压是否脱出

D．是否容易嵌顿

E．发生年龄

Like many other aspects of the computer age, Yahoo began as an idea, (1) into a hobby and lately has (2) into a full-time passion. The two developers of Yahoo, David Filo and Jerry Yang, Ph. D candidates (3) Electrical Engineering at Stanford University, started their guide in April 1994 as a way to keep (4) of their personal interest on the Internet. Before long they (5) that their homebrewed lists were becoming too long and (6) . Gradually they began to spend more and more time on Yahoo.

During 1994, they (7) yahoo into a customized database designed to (8) the needs of the thousands of users (9) began to use the service through the closely (10) Internet community. They developed customized software to help them (11) locate, identify and edit material (12) on the Internet. The name Yahoo is (13) to stand for "Yet Another Hierarchical Officious Orale", but Filo and Yang insist they selected the (14) because they considered themselves yahoos. Yahoo itself first (15) on Yang’s workstation, "akebono", while the search engine was (16) on Filo’s computer, "Konishiki".

In early 1995 Marc Andersen, co-founder of Netscape Communication in Mountain View, California, invited Filo and Yang to move their files (17) to larger computers (18) at Netscape. As a result Stanford’s computer network returned to (19) , and both parties benefited. Today, Yahoo (20) organized information on tens of thousands of computers linked to the web.

8（）

A.explain

B.serve

C.discover

D.evaluate