[单项选择]Passage Two Questions 30 to 32 are based on the passage you have just heard.
A. Produce green food.
B. Waste no food.
C. Quit eating meats.
D. Grow vegetables.

[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 30 to 32 based on the passage you have just heard.A. Find out if patients are abused and try to help them.
B. Report abusive husbands of their violent actions.
C. Treat the patients in the emergency room.
D. Relieve the patients of their mental pressures.

[单项选择]Passage Two
Questions 29 to 31 are based on the passage you have just heard.
A. It distinguishes happy men from others.
B. It is a luxury enjoyed by few.
C. It is a unifying power.
D. It serves as a daily necessity.