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问题 选择题

大多数细菌的直径在0.5～5微米（1微米=10-6米）之间，某种细菌的直径为0.7微米，用科学记数法可表示为（　　）

A．0.7×10-6米

B．0.7×10-7米

C．7×10-6米

D．7×10-7米

答案

0.7微米=7×10-7米．

故选D．

单项选择题

法国法规定，不动产的法定继承依不动产所在地法；德国法规定，不动产的法定继承依死者本国法，且两国都认为自己指定的法律包括冲突法。如果一德国公民死于法国并在法国留下不动产，为此不动产法定继承发生争议，可能出现的结果有：( )。

A．在法国起诉会发生反致

B．在德国起诉会发生反致

C．在两国任一国起诉都不会发生反致

D．在两国任一国起诉都会发生反致
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单项选择题

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.

6（）

A.unwieldy

B.tough

C.tamable

D.invaluable
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