A．isolation of WTO
B．free trade
C．a free trade critics
D．environment and consumer groups

A．Labor, environmental and agriculture
B．Labor, agriculture and consumer
C．Labor, environmental and consumer
D．Agriculture, environmental and consumer

A．Nov. 30
B．Nov. 13
C．Dec. 30
D．Dec. 13

A．Lower wages.
B．Degradation of the environment.
C．Degradation of labor standards.
D．All of the above.

A．The teachers came to the children' s homes.
B．The children acquired the information they needed by direct experience.
C．Children were taught in small, personalized groups at home.
D．Parents would teach children the three R' s themselves.

A．They needed to count and calculate money.
B．They needed to read and write.
C．They needed to alert moving objects.
D．They needed to hunt and farm.

A．There was a new dependence on communication with people far away and the use of money.
B．The alphabet and numerical system was introduced.
C．The old methods of farming now required the use of complex machines.
D．The global economy made mass electronic communication very common.

A．The climate.
B．The exposure to light.
C．The length of time.
D．The fertility of the soil.

A．Their tings get thinner and thinner.
B．They add a ring of wood.
C．Their rings get darker in color.
D．They become more valuable.

A．It began 2000 years ago.
B．It began in the eighteenth century.
C．It began in the early twentieth century.
D．It began in this decade.