域名是Intemet服务提供商（ISP)的计算机名，域名中的后缀edu表示机构所属类型为（)。

Which is implied in the passage？

A．Some companies do not comprehend the urgency of the situation.

B．All companies are ready for the year 2000.

C．The millennium bug is designed by people intentionally.

D．The scale of the problem of the millennium bug is over-estimated.

We often hear the 【21】______ "Bug" while using computers. But what is a bug？ In computer science, a bug 【22】______ an error in software or hardware. In software, a bug is an error in coding or logic that causes a program to malfunction or to 【23】______ incorrect results. Minor bugs, for example a cursor that does not behave as 【24】______ can be inconvenient or frustrating, but not damaging to 【25】______ . More severe bugs can cause a program to "hang" (stop responding to 【26】______ and might 【27】______ the user with no 【28】______ but to restart file program. ), losing whatever 【29】______ work had not been saved. In 【30】______ case, the programmer must find and correct the error by the 【31】______ known as debugging. Because of the 【32】______ risk to important data, commercial application programs are tested and 【33】______ as completely as possible before release. Minor bugs found after the program becomes 【34】______ are corrected in next update; more 【35】______ bugs can sometimes be fixed with special software, called patches, that circumvents or otherwise 【36】______ its effects. In hardware, a bug is a recurring 【37】______ problem that prevents a system or set of 【38】______ from working together properly. The 【39】______ of the term reputedly goes back to the early days of computer at Harvard University was 【40】______ a moth caught between the contacts of a relay in the machine.

【21】

A．wording

B．term

C．diction

D．insect

a bug【22】an error in software or hardware. In software, a bug is an error in coding or logic that causes a program to malfunction or to【23】incorrect results. Minor bugs, for example, a cursor that does not behave as【24】-can be inconvenient or frustrating, but not damaging to【25】More severe bugs can cause a program to "hang" (stop responding to【26】and might【27】the user with no【28】but to restart the program, losing whatever【29】work had not been saved. In【30】case, the programmer must find and correct the error by the【31】known as debugging. Because of the【32】risk to important data, commercial aplication programs are tested and【33】as completely as possible before release. Minor bugs found after the program becomes【34】are corrected in the next update; more【35】bugs can sometimes be fixed with special software, called patches, that circumvents or otherwise【36】its effects.

In hardware, a bug is a recurring【37】problem that prevents a system or set of【38】from working together properly. The【39】of the term reputedly goes back to the early days of computing, when a hardware problem in a computer at Harvard University was【40】to a moth caught between the contacts of a relay in the machine.

(21)

A．wording

B．term

C．diction

D．insect

What is the second problem？

______.

What was the problem with him？

He had ______.

What is the first problem？

______.

What was the problem for Renault？

A．It had the problem of over-capacity.

B．It had the problem of the lack of product range.

C．It was debt-ridden.

D．As domestic market fell, profit tumbled.

What was the problem with Tina？

She had little __________.

What seems to be the woman' s problem？

A．Allergy

B．Insomnia

C．Sore throat

D．Diabetes