Although the bike my father bought for me wasn't worth too much.I still liked it very much．I think the thought ．( )A．countsB．worksC．comfortsD．deserves 题目和参考答案——青夏教育精英家教网—

	A．	in actual		B．	actually
	C．	as matter of fact		D．	in a fact

10．

For 52years my father got up at 5：30a．m．every morning，went to work，and returned home at 5：30pm．I never saw my father stayed home from work ill，nor did I ever see my father lay down to take a nap（打盹）．He had no hobbies，other than taking care of his family．All he asked from me，his daughter，was to help him while he was repairing something，so we could have some time to talk．
For 22years，after I left home for college，my father called me at 9：00a．m．every Sunday．Nine years ago when I bought my first house，my father，67years old，spent eight hours a day for three days in the 80-degree Kansas heat，painting my house．He would not allow me to pay someone to have it done．All he asked for was a glass of iced tea．Five years ago，at age 71，my father spent five hours putting together a swing set for my daughter．Four years ago，my father drove all the way from Denver to Topeka，with an eight-foot Colorado Blue Spruce（云杉）in his truck，so that we could have a part of Colorado growing on our land．
On the morning of January 16，1996，my sister telephoned me； my father was in the hospital with an aneurysm（动脉瘤）in Florida．I got on an airplane immediately，and on the way I realized that I hadn't communicated with him as much as I'd always wanted to．I vowed（发誓） that when I arrived，I would have a long talk with him．I arrived in Florida at 1a．m．，only to find that my father，at the age of 76，had died at 9：12p．m．This time it was he who did not have time to talk，or time to wait for me．
55．From the first paragraph we can infer that the author's fatherC．
A．was a good driver      B．sometimes fell ill
C．was in good health    D．didn't like sleeping
56．According to the last paragraph，we can know that the author's father was born inD．
A.1916B.1918C.1922     D.1920
57．The author wrote the passage in order toA．
A．remember her father       B．praise her father
C．introduce her father    D．make her father known．

20．Teachers have to constantly update their knowledge in order to maintain their professionalcompetence（能力）．

7．It began as a game：high school and college students studying computer technology figured out they could use personal computers to break into telephone company computers and make free，long-distance telephone calls．These young computer wizards （奇才） soon gained the nickname"hackers （黑客）"．
Police put the collar on （拘留，逮捕） a few hackers，but many went on to even more complex hacking．One hacker was arrested for making illegal telephone calls and later used a prison phone to alter a police officer's credit records to get back at （报复） the officer for arresting him．The hacker also used a computer to alter his college records to give himself better grades．
As hackers gained experience，they began invading computers at banks，airlines and other businesses．In one scheme，a hacker instructed an airline's computer to give him free airplane tickets．
The U．S．government is worried hackers may break into its complex networks of defense computers．The government's classified secrets are weak because thousands of government computers are connected by telephone lines that hackers can tap into．
In November 1988，a college student tapped into a non-classified U．S．Defense Department computer network called Arpanet．The hacker injected （输入，注入） a computer program that left copies of itself throughout Arpanet．Some hackers use each"viruses"to destroy all the data in a computer．But in this case，government officials shut down the network before the program reached every computer in the system．Shutting down the system angered many researchers who were using the computers．The hacker turned himself in （自首） to police and told them how to get his program out of the computer system．He was charged with a crime．
The incident put the focus on computer hacking in the United States．Many companies have hired experts to protect their computers from hackers，and many computer experts now advise companies on how to protect their computers．
The U．S．government believes foreign governments have hired hackers to try to break into top-secret defense computers．It fears a hacker could inject a virus into military computers that would erase all the data during a war．
Experts disagree over whether a computer network can ever be safe from hacking．But in the future，some of the most brilliant minds in the U．S．will be working to defeat the efforts of computer hackers and spies．
Choose the correct answer．
54．The main idea of the article isC．
A．computer hackers only want to make free long-distance phone calls
B．the government wants to hire computer hackers to spy on the Russians
C．computer hackers are a threat to private companies and government secrets
D．many companies have hired experts to protect their computers from hackers who carry viruses
55．A hacker can be dangerous becauseB．
A．he knows how to make free long-distance telephone calls
B．vital information is stored in computers，and a hacker knows how to change or erase the information
C．once in jail，he can use a telephone to operate his computer
D．a hacker who steals a free airplane ticket might cause a doctor to lose that seat on the airplane
56．U．S．government computers are vulnerable to a hacker becauseD．
A．the government always pays its telephone bills on time
B．the Russians know what's in the U．S．computers
C．viruses attack only government computers
D．many government computers are connected by telephone lines
57．In the futureA．
A．Some of the most brilliant minds in America will be working to try to stop computer hackers and spies
B．hackers will begin invading computers at banks，airlines and other businesses
C．many computer hackers will be arrested for making free telephone calls
D．some computer hackers will turn themselves in to the police．

4．We want toshock people into realizingthat many smokers die all too soon from illnesses and diseases related to smoking．（震撼人们以认识到----）

5．The government has takeneffective action to reduce pollution and improve our environment．（effect）

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