期末考考古題 - 生態環境討論

期末考考古題

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1. In 2001, How did terrorists spread inhalation infectious agent, anthrax ?
a. By air plane b. By injecting into water c. By mail envelope d. By food contamination


2. What chemical is related to the disease occurred in Minamata, Japan?
a. Elementary Mercury b. inorganic Mercury c. Mercury complex d. Methyl Mercury


3. Trace level toxic chemicals may gradually affect human health by various pathway. What is the most probable mechanism affecting human ecology through the environment? ( )
a. Through food chain b. Biomagnification c. Air breathing d. Water evaporation


4. Based on the California’s blackout experience, what is the most affecting issue in determining the energy usage ( )
a. energy sources b. price c. energy supplying stability d. energy generation system


5. In the USA, which of the following appliances uses the most energy per year? ( )
a. water heater b. Refrigerator c. clothes dryer d. washing machine


6. What is the energy unit for question 5? ( )
a. W b. Volt c. joule d. kWh


7. A body of water can be depleted of its oxygen by ( )
a. viruses and parasitic worms.
b. organic wastes.
c. sediments and suspended matter.
d. organic compounds such as oil, plastics, solvents, and detergents.


8. Nitrates and phosphates are examples of ( )
a. disease-causing agents.
b. oxygen-demanding wastes.
c. organic plant nutrients.
d. inorganic plant nutrients.


9. Which of the following are a point source of water pollution? ( )
a. offshore oil wells b. livestock feedlots c. urban lands d. croplands


10. Over half of the total mass of pollutants entering streams and lakes comes from ( )
a. point pollution from sewage treatment plants.
b. point pollution from industrial plants.
c. non point pollution from roadside runoff and construction.
d. nonpoint pollution from agriculture.


11. Which of the follow power generation plant won’t have thermal effluent problem?
a. Nuclear b. coal c. hydraulic power d fossil fuel


12. What is 脉 particle? ( )
a. positive helium ion b. helium gas c. electron d. neutron


13. The main reason of causing a lake into the death cycle is ( )
a. pollution b. eutrophication c. seasonal turnover d. water evaporation


14. The most severe failure in the accident at the Chernobel nuclear power plant in 1986 is ( )
a. a series of mechanical failures.
b. a loss of reactor core coolant.
c. operator errors unforeseen in safety studies.
d. a complete reactor core meltdown

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