Computer classes must be （）to every student of all grades, which will make them have a good command of the modern communication and learning tool.

A.accessible

B.avoidable

C.valuable

D.acceptable

Which search result gives the name of a college offering computer classes？

SELC, that is ______ center.

A small percentage of girls making up the computer science classes would be ______.

A．100%

B．98%

C．10%

D．75%

What qualifications does Katie have for the job？

A．Her extra classes in sport at school.

B．She has ~computer skills and used to working with people.

C．She's adaptable.

D．Her work experience in the school newspaper.

According to covering scope, which three classes can computer network be divided？ ()

A．PSN, LAN, WAN

B．MAN,LAN,WAN

C．PSN, FAST Ethernet, LAN

D．PSN, FAST Ethernet, MAN

A company that makes Computer Assisted Design (CAD) software has, within its application, some utility classes that are used to perform 3D rendering tasks. The company‘s chief scientist has just improved the performance of one of the utility classes‘ key rendering algorithms, and has assigned a programmer to replace the old algorithm with the new algorithm. When the programmer begins researching the utility classes, she is happy to discover that the algorithm to be replaced exists in only one class. The programmer reviews that class‘s API, and replaces the old algorithm with the new algorithm, being careful that her changes adhere strictly to the class‘s API. Once testing has begun, the programmer discovers that other classes that use the class she changed are no longer working properly.What design flaw is most likely the cause of these new bugs？（）

A.Inheritance

B.Tight coupling

C.Low cohesion

D.High cohesion

E.Loose coupling

F.Object immutability

A．group similar processes and collect similar information into records

B．provide a language and a framework for doing work

C．arrange the various activities into different classes

D．organize employees and computer systems into units

A．learning English will no longer be a difficult task

B．textbooks are no longer necessary

C．it's better to buy a computer than to go to classes

D．the computer will be able to translate any language for you

It can be inferred from the passage that ______.

A．girls think they are inferior to boys in the ability and confidence in using computers

B．girls like computer science classes in which they can learn new computer skills

C．girls wouldn't want to play on a computer no matter what content there is

D．technology gender gap won't be a big problem for women to compete with men