[单项选择]The poor and the rich usually develop different patterns of cancers because ______.


A. most of the rich people are living in industrialized countries
B. the poor people smoke more heavily than the rich
C. the two have different living conditions
D. the two have different attitudes toward life

[单项选择]Anyone, rich or poor, old or young, sick or （） , can pick up a hobby.
A. well
B. good
C. fine
D. happy

[单项选择]Anyone, rich or poor, old or young, sick or ______ , can pick up a hobby.


A. well
B. good
C. fine
D. happy

[单项选择]Jim is very poor now.

[单选题]已知大气压力101325Pa,某设备的表压力为810600Pa,折合其绝对压力为()Pa。
A.911925
B.810600
C.709275

[单项选择]Factors leading to the crisis included poor regulation, mismanagement and deception in the industry, and competition from other types of financial firms.
A. cheating
B. pollution
C. depression
D. abuse

[单项选择]The author implies that poor people often consider the promise of revolutionaries to be ______.


A. false and treacherous
B. credible and inspiring
C. attractive but impractical
D. superficial and irrelevant

[单项选择]X线管的容量Pa＝kVE×Ia÷1000，式中Pa的单位是
A. W
B. mW
C. kW
D. HU
E. J

[单项选择]—The critics thought the acting was generally poor.
—I didn't find ______.
A. it
B. it so
C. it to be too
D. it was too

[单项选择]The report shows that poor families spend a large ______ of their income on food.


A. fraction
B. sector
C. section
D. proportion

[单项选择]According to the passage the poor is always tired because ______.


A. they had chronic anemia caused from poor diet
B. they had many children
C. they had to work for twenty-two dallors a week
D. they had no one to take good care of their children

[单项选择]The youngest readers will quickly develop good reading skills if they ______.


A. learn to associate the words in a text with pictures
B. are exposed to modem teaching techniques
C. are encouraged to ignore pictures in the text
D. learn the art of telling stories

[单项选择]The author implies that scientists develop a healthy skepticism because they are aware that ______.


A. mathematicians are better able to solve problems than scientists
B. changes in axiomatic propositions will inevitably undermine scientific arguments
C. well-defined situations are necessary for the design of reliable experiments
D. some factors in most situations must remain unknown

[单项选择]They youngest readers will quickly develop good reading skills if they ______.


A. learn to associate the words in a text with pictures
B. are exposed to modern teaching techniques
C. are encouraged to ignore pictures in the text
D. learn the art of telling stories

[单项选择]

We develop our impressions of other countries and their people through books, movies, television, newspapers, magazines, fellow students, and friends. But is there really any substitute for first-hand experience
Come, spend a summer studying in the U. S. A, and get to know a people and a land which are incredibly rich in their variety and vitality. You may end up on an urban campus or a warm one, in San Francisco or St. Louis. But whatever your experience is, it will be firsthand personal, alive, and unforgettable !
If you spend a summer studying in the U. S. A, you’ll have advantages which the tourist never will. Not only will you learn the subject matter of your choice, but you’ll gain an understanding of the American educational system as will. You’ll experience the culture of the people and the dynamics of your physical environment. But above all, as a student, you’ll have a chance to meet Americans, get to know us, communicate,
A. through firsthand experience
B. only through friendships with people
C. in the very countries
D. through various sources