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your dog o<br>
beys a simple request of "come here, sit," it is showing obedience and respect
for you. It is not necessary to establish yourself as top dog or leader of the dog pack (群)
by using extreme measures. You can teach your dog its subordinate (从属的)role by
teaching it to show submission to you. Most dogs love performing tricks for you to
pleasantly accept that you are in charge.<br>
Training should be fun and rewarding for you and your dog.It can enrich
your relationship and make living together more enjoyable. A well |trained dog is more
confident and can more safely be allowed a greater amount of freedom than an untrained
animal.<br>
21. Behavior problems of dogs are believed to _______.<br>
A) be just part of their nature B) worsen in
modern society<br>
C) occure when they go
wild D) present a threat to the community<br>
22. The primary purpose of obedience training is to _______.<br>
A) teach the dog to perform clever tricks<br>
B) make the dog aware fo its owner's authority<br>
C) provide the dog with outlets for its wild behavior<br>
D) enable the dog to regain its normal behavior<br>
23. Effective communication between a dog and its owner is _______.<br>
A) essential to solving the dog's behavior problems<br>
B) the foundation for dogs to perform tasks<br>
C) a good way to teach the dog new tricks<br>
D) an extreme measure in obedience training<br>
24. Why do pet dogs love performing tricks for their masters?<br>
A) To avoid being
punished. B) To show their affection for
their masters.<br>
C) To win leadership of the dog pack. D) To show their willingness to
obey.<br>
25. When a dog has received effective obedience training, its owner _______.<br>
A) can give the dog more rewards B) will enjoy a
better family life<br>
C) can give the dog more freedom D) will have more
confidence in himself<br>
<b>Passage Two<br>
Questions 26 to 30 are based on the following passage.<br>
</b>Engineering students are supposed to be examples of practicality
and rationality<br>
, but when it comes to my college education I am an idealist and a fool. In highschool I
wanted to be an electrical engineer and, of course, any sensible student with my aims
would have chosen a college with a large engineering department,famous reputation and lots
of good labs and research equipment. But that's not what I did.<br>
I chose to study engineering at a small liberal |arts(文科)
university that doesn't even offer a major in electrical engineering. Obviously, this was
not a practical choice; I came here for more noble reasons. I wanted a broad education
that would provide me with flexibility and a value system to guide me in my career. I
wanted to open my eyes and expand my vision by interacting with people who weren't
studying science or engineering. My parents, teachers and other adults praised me for such
a sensible choice. They told me I was wise and mature beyond my 18 years, and I believed
them.<br>
I headed off to college sure I was going to have an advantage over
those students who went to big engineerng "factories" where they didn't care if
you had values or were flexible. I was going to be a complete engineer: technical genius
and sensitive humanist(人文学者) all in one.<br>
Now I'm not so sure. Somewhere along the way my noble ideals crashed
into reality, as all noble ideals eventually do. After three years of struggling to
balance math, physics and engineering courses with liberal arts courses, I have learned
there are reasons why few engineering students try to reconcile (协调) engineering with
liberal |arts courses in college.<br>
The reality that has blocked my path to become the typical successful
student is<br>
that engineering and the liberal arts simply don't mix as easily as I assumed in high
school. Individually they shape a person in very different ways; together they threaten to
confuse. The struggle to reconcile the two fields of study is difficult.<br>
26. The author chose to study engineering at a small liberal-arts university because <br>
he _______.<br>
A) wanted to be an example of practicality and rationality <br>
B) intended to be a combination of engineer and humanist<br>
C) wanted to coordinate engineering with liberal-arts courses in
college<br>
D) intended to be a sensible student with noble ideals<br>
27. According to the author, by interacting with people who study liberal arts, <br>
engineering students can _______.<br>
A) balance engineering and the liberal arts <br>
B) receive guidance in their careers<br>
C) become noble idealists <br>
D) broaden their horizons<br>
28. In the eyes of the author, a successful engineering student is expected _______.<br>
A) to have an excellent academic record<br>
B) to be wise and mature<br>
C) to be imaginative with a value system to guide him<br>
D) to be a technical genius with a wide vision<br>
29. The author's experience shows that he was _______.<br>
A) creative B)
ambitious C) unrealistic
D) irrational<br>
30. The word "they" in "... together they threaten to confuse." (Line
3, Para. 5) <br>
refers to _______.<br>
A) engineering and the liberal arts B) reality
and noble ideals<br>
C) flexibility and a value system
D) practicality and rationality<br>
<b>Passage Three<br>
Questions 31 to 35 are based on the following passage. <br>
</b>Priscilla Ouchida's "energy |efficient" house turned out
to be a horrible dream. When she and her engineer husband married a few years ago, they
built a $100,000, three -bedroom home in California. Tightly sealed to prevent air
leaks,the house was equipped with small double |paned(双层玻璃的) windows and several
other energy |saving features. Problems began as soon as the couple moved in, however.
Priscilla's eyes burned. Her throat was constantly dry. She suffered from headaches and
could hardly sleep. It was as though she had suddenly developed a strange illness.<br>
Experts finally traced the cause of her illness. The leyel of of
formaldehyde(甲醛) gas in her kitchen was twice the maximum allowed by federal standards
for chemical workers. The source of the gas? Her new kitchen cabinets and wall |to |wall
carpeting.<br>
The Ouchidas are victims of indoor air pollution, which is not given sufficient attention
partly because of the nation's drive to save energy. The problem itself isn't new.
"The indoor environment was dirty long before energy conservation came along,"
says Moschandreas, a pollution scientist at Geomet Technologies in Maryland. "Energy
conservation has tended to accentuate the situation in some cases."<br>
The problem appears to be more troublesome in newly constructed homes
rather than old ones. Back in the days when energy was cheap, home builders didn't worry
much about unsealed cracks. Because of such leaks, the air in an average home was replaced
by fresh outdoor air about once an hour. As a result, the pollutants generated in most
households seldom built up to dangerous levels.<br>
31. It can be learned from the passage that the Ouchidas' house_______.<br>
A) is well worth the money spent on its construction<br>
B) is almost faultless from the point of energy conservation<br>
C) failed to meet energy conservation standards<br>
D) was designed and constructed in a scientific way<br>
32. What made the Ouchidas' new house a horrible dream?<br>
A) Lack of fresh air. <br>
B) Poor quality of buildig materials.<br>
C) Gas leakage in the kitchen. <br>
D) The newly painted walls<br>
33. The word "accentuate"(Line 4, Para. 3) most probably means
"________".<br>
A) relieve B) accelerate C)
worsen D) improve<br>
34. Why were cracks in old houses not a big concern?<br>
A) Because indoor cleanness was not emphasized.<br>
B) Because energy used to be inexpensive.<br>
C) Because environmental protection was given top priority.<br>
D) Because they were technically unavoidable.<br>
35. This passage is most probably taken from an article entitled "________" .<br>
A) Energy Conservation
B) House Building Crisis<br>
C) Air Pollution Indoors D) Traps
in Building Consruction<br>
<b>Passage Four<br>
Questions 36 to 40 are based on the following passage. <br>
</b>In 1993, New York State ordered stores to charge a deposit on
beverage(饮料) containers. Within a year, consumers had returned millions of aluminum
cans and glass and plastic bottles. Plenty of companies were eager to accept the aluminum
and glass as raw materials for new products, but because few could figure out what to do
with the plastic, much of it wound up buried in landfills (垃圾填埋场). The problem
was not limited to New York. Unfortunately, there were too few uses for second |hand
plastic.<br>
Today, one out of five plastic soda bottles is recycled (回收利用)
in the United States. The reason for the change is that now there are dozens of companies
across the country buying discarded plastic soda bottles and turning them into fence
posts, paint brushes, etc.<br>
As the New York experience shows, recycling involves more than simply
separating<br>
valuable materials from the rest of the rubbish. A discard remains a discard until
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