Compared with Einstein's genera

单选题 Compared with Einstein's general theory of relativity, Newton's theory of gravity __________. (Unit 7 Passage A 见“电子教材”P118)

A、 cannot be easily seen by average people, and is more complex

B、 is used to describe things that are closer to our life

C、 can be more easily proved by experiments and observations

D、 is used for all practical purposes and is much simpler

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单选题 In Paragraph 1, "the scientist gave a superior smile..." shows that he is __________. (Unit 7 Passage A 见“电子教材”P118)

A、arrogant

B、cultivated

C、optimistic

D、indifferent

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单选题 The Newtonian theory of gravity is mentioned again in Paragraph 13 as an example to show that the way we make progress is __________. (Unit 7 Passage A 见“电子教材”P118)

A、to work out partial theories rather than a single theory about the universe

B、to devise a theory to describe the universe in one go

C、to work on both the single big theory about the universe and the partial theories

D、to assume that the theories about the universe are not as complicated as we expect

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单选题 The importance of Edwin Hubble's observations is that they __________. (Unit 7 Passage A 见“电子教材”P118)

A、led most people to believe in an essentially static and unchanging universe

B、proved whether the universe had a beginning was really one of metaphysics or theology

C、brought the question of the beginning of the universe into the realm of science

D、proved that the density of the universe was infinite

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单选题 The last sentence of Paragraph 2, "Only time (whatever that may be) will tell," suggests that __________. (Unit 7 Passage A 见“电子教材”P118)

A、the concept of time, among other things, is also mysterious to human beings

B、with the passage of time, some truths and errors about the universe will be evident to us

C、time is a tunnel, through which human beings can tell which way they are heading

D、nothing but time can reveal the universal truth about every aspect of the galaxies

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单选题 In Paragraph 4, "they believed, therefore, that the human race and the world around it had existed...","it" refers to __________. (Unit 7 Passage A 见“电子教材”P118)

A、the human race

B、the world

C、the idea of a creation

D、divine intervention

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单选题 According to the passage, there is reason to suppose that there are laws governing the initial state of the universe, because __________. (Unit 7 Passage A 见“电子教材”P118)

A、the initial situation is a matter of metaphysics

B、the universe changes with time

C、the universe seems to be based on regular evolutions

D、the universe develops in a completely arbitrary way

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单选题 The passage is mainly concerned with __________. (Unit 7 Passage A 见“电子教材”P118)

A、the creation of the universe

B、the relationship between the universe and us

C、the universe and its theories

D、the universal truths about the universe

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单选题 According to archaeologists, civilization really began at about __________. (Unit 7 Passage A 见“电子教材”P118)

A、not very long ago

B、the Creation of the universe

C、5,000 BC

D、10,000 BC

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