[单项选择]After our computer network ______ for the third time that day, we all went home.
A. fell
B. smashed
C. collided
D. crashed

[单项选择]After our computer network （） for the third time that day, we all went home.
A. fell
B. smashed
C. collided
D. crashed

[单项选择]After our computer network ______for the third time that day, we all went home.
A. crashed
B. collided
C. smashed
D. fell

[单项选择]This college graduate tried our company a third time, ______ to be turned down again.
A. but
B. only
C. yet
D. as

[单项选择]Without computer network, it would be impossible to carry on ______ any business operation in the advanced countries.
A. practically
B. preferably
C. precisely
D. possibly

[单项选择]

The（） is the largest computer network in the world．

A. PC
B. USB
C. windows
D. Internet

[单项选择]______ this computer network is a challenging job that requires a lot of expertise and effort.


A. Maintain
B. Maintaining
C. Maintenance
D. Maintained

[单项选择]

Text 3 Education is one of the key words of our time. A man, without an education, many of us believe, is an unfortunate victim of unfortunate circumstances deprived of one of the greatest twentieth-century opportunities. Convinced of the importance of education, modern states "invest" in institutions of learning to get back "interest" in the form of a large group of enlightened young men and women who are potential leaders. Education, with its cycles of instruction so carefully worked out, is punctuated by textbooks—those purchasable wells of wisdom—what would civilization be like without its benefits So much is certain: that we would have doctors and preachers, lawyers and defendants, marriages and births; but our spiritual outlook would be different. We would lay less stress on "facts and figures" and more on a good memory, on applied psychology, and on the capacity of a man to get along with his fellow-citizens. If our educatio
A. pleasure.
B. returns.
C. share.
D. knowledge.

[单项选择]The main goals of Network are sharing computer resources .The resources include hardware, data and
A. gateway
B. router
C. software
D. server

[单项选择]When we finally _________ to get home after the tiring long journey, we could hardly move a step further.
A. tried
B. succeeded
C. managed
D. endeavored

[单项选择]Our English teacher insisted that we spend more time on______ reading.
A. worth
B. worthy
C. worthwhile
D. worthless