单项选择题According to the author, distinctions between those engaged in the creative arts and in natural sciences 9an in part be explained by ______.

A.the different objectives of those involved in these respective pursuits
B.the different methods they employ in the collection of data to support their theories
C.the different ways in which they attempt to extend accepted conventional forms
D.the different principles of organization that they utilize in order to create new works


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1.单项选择题The passage implies that an original contribution in science is one that ______.

A.is often quoted in the work of other scientists
B.is careful not to make a value judgement about the use of data
C.is applauded by all distinguished experimentalists
D.generates a novel and well-founded generalization

2.单项选择题Which of the following would most likely follow the final sentence of the passage

A.In the similar manner, several modern composers successfully established musical conventions.
B.Similarly, the succeeding generation of composers manipulated accepted musical forms.
C.In contrast to Beethoven, however, even great modern composers like Bela Bartok did not attempt to alter accepted musical conventions,
D.Musicologists are continuing to study the compositional styles of composers in order to determine whether their contributions have been' innovative.

3.单项选择题Why does the author suggest that the work of Beethoven was highly creative

A.Because he sought to become the only composer of his time to challenge accepted musical conventions.
B.Because he adopted a new principle of organization in his work by utilizing innovative strategies.
C.Because he creatively manipulated the accepted rules and forms governing musical composition.
D.Because he synthesized a transition between the older stylistic convention and the newer musical form.

4.单项选择题The first two paragraphs tell us a true story of ______.

A.international cooperation via the Internet
B.how dangerous thallium can be to humans
C.how one can get help from the Internet
D.the girl’s recovery from thallium poisoning

5.单项选择题Which of the following best expresses the main idea of the passage

A.It is optical fibers and lasers that have made the information superhighway possible.
B.People can communicate with each other more quickly now on the Internet.
C.It has taken quite a long time for the Internet to come into existence.
D.If one is seriously ill, he can always get help via the modem communication system.

6.单项选择题The information superhighway came into existence because of ______.

A.copper wire cables
B.satellite communication
C.optical fibers
D.laser and optical fibers

7.单项选择题The highly efficient modem communication system began ______.

A.over a century ago
B.in the middle 1960s
C.in the late 1980s
D.in the year 1980

8.单项选择题What does "brainchild" in the paragrapth 4 mean

A.Patent.
B.Invention.
C.Hope.
D.Pride.

9.单项选择题What of the following correctly describe Cosmos I

A.It is a 3-ft. metal pod.
B.It has eight 35-ft. metallic wings.
C.It can fly an altitude above 260 miles.
D.When it flies back to Earth, it will fall into pieces.

10.单项选择题What can be inferred from the passage

A.Most scientists are confident that the spacecraft will work well.
B.A more ambitious orbital flight will follow this mission.
C.The author is quite sure that this mission will make impossible technologies seem possible.
D.The key of the engineering of Cosmos I is building wings that can open and pivot.