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Questions 30 to 32 are"的相关试题:
[单项选择]Passage Two
Questions 36 to 40 arc based on the following passage.
Natural gas began with the plant and animal life of the earth’s prehistoric seas.Dead organisms settled on the ocean floor and were covered by layers of mud,silt(淤泥),and the layers of mud,silt,and sand were compressed into solid rock.As millions of years passed,these rock layers bucked shifted.and accumulation of gas and oil were displaced and became trapped beneath masses of nonporous rock.
Primitive man discovered natural gas quite by accident.The temple fires of Baku on the Caspian Sea(里海)were fired by natural gas seeping(渗漏)from rock fissures(裂缝),and worshipers(礼拜者,崇拜者)of hire journeyed to Baku from ad afar away as India.The mysterious“burning springs”in North America and elsewhere were also evidence of escaping gas,probably ignited by lighting.
The first industrial application of natural gas was made by the Chinese.Gas transported by bamboo pipes was burned to evaporate brine and produc
A. plant life
B. animal life
C. minerals
D. both a and b
[单项选择]
Passage Two
Questions 29 to 31 are based on the passage you have just heard.
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A. The changes of life styles have no influence on business.
B. Different people may have completely different life styles.
C. It’s doubtful what life styles are changing.
D. Life styles of different people are the same.
[单项选择]Passage Two
Questions 29 to 32 are based on the passage you have just heard.
A. To offer a criticism of the works of Pearl Buck.
B. To illustrate Pearl Buck’s /views on Chinese literature.
C. To give a general introduction to Pearl Buck.
D. To discuss Pearl Buck’s influence on the cultures of the East and the West.
[单项选择] Passage Two
Questions 30 to 32 are based on the passage you have just heard.
A. To forbid grazing on marginal lands.
B. To plant more trees on marginal lands.
C. To establish good ground cover.
D. To graze animals rotationally.