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　　A report consistently brought back by visitors to the US is how friendly, courteous¹ and helpful most Americans were to them. To be fair, this observation is also frequently made of Canada and Canadians, and should best be considered North American. There are, of course, exceptions. Small-minded officials, rude waiters, and ill-mannered taxi drivers are hardly unknown in the US. Yet it is an observation made so frequently that it deserves comment. For a long period of time and in many parts of the country, a traveler was a welcome break in an otherwise dull existence.
　　Dullness and loneliness were common problems of the families who generally lived distant from one another. Strangers and travelers were welcome sources of diversion, and brought news of the outside world. The harsh realities of the frontier also shaped this tradition of hospitality.
　　Someone traveling alone, if hungry, injured, or ill, often had nowhere to turn except to the nearest cabin or settlement. It was not a matter of choice for the traveler or merely a charitable impulse on the part of the settlers. It reflected the harshness of daily life: if you didn’t take in the stranger and take care of him, there was no one else who would. And someday, remember, you might be in the same situation. Today there are many charitable organizations which specialize in helping² the weary traveler. Yet, the old tradition of hospitality to strangers is still very strong in the US, especially in the smaller cities and towns away from the busy tourist trails. "I was just traveling through, got talking with this American, and pretty soon he invited me home for dinner—amazing." Such observations reported by visitors to the US are not uncommon³, but are not always understood properly.

　　The casual friendliness⁴ of many Americans should be interpreted neither as superficial nor as artificial, but as the result of a historically developed cultural tradition. As is true of any developed society, in America a complex set of cultural signals, assumptions, and conventions underlies⁵ all social interrelationships. And, of course, speaking a language does not necessarily mean that someone understands social and cultural patterns. Visitors who fail to "translate" cultural meanings properly often draw wrong conclusions. For example, when an American uses the word "friend", the cultural implications of the word may be quite different from those it has in the visitor’s language and culture. It takes more than a brief encounter on a bus to distinguish between courteous convention and individual interest. Yet, being friendly is a virtue⁶ that many Americans value highly and expect from both neighbors and strangers.
46、In the eyes of visitors from the outside world, ___________.
A. rude taxi drivers are rarely seen in the US
B. small-minded officials deserve a serious comment
C. Canadians are not so friendly as their neighbors
D. most Americans are ready to offer help
（本题分值：1.5分）【正确答案】D
47、It could be inferred from the last paragraph that ___________.
A. culture exercises an influence over social interrelationship
B. courteous convention and individual interest are interrelated
C. various virtues⁷ manifest themselves exclusively among friends
D. social interrelationships equal the complex set of cultural conventions
（本题分值：1.5分）【正确答案】A
48、Families in frontier settlements used to entertain strangers ___________.
A. to improve their hard life
B. in view of their long-distance travel
C. to add some flavor to their own daily life
D. out of a charitable impulse
（本题分值：1.5分）【正确答案】C
49、The tradition of hospitality to strangers ___________.
A. tends to be superficial and artificial
B. is generally well kept up in the united States
C. is always understood properly
D. has something to do with the busy tourist trails
（本题分值：1.5分）【正确答案】B
50、What’s the author’s attitudes toward the American’s friendliness?
A. Favorable.
B. Unfavorable.
C. Indifferent.

D. Neutral.
（本题分值：1.5分）【正确答案】A