A．A person needs to go back home frequently.B．A person needs adjustment in a new envir
A person needs to go back home frequently.
B. A person needs adjustment in a new environment.
C. A person needs to experience some frustration.
D. A person needs to depend on others.
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The passage suggests that the lack of an observed decline in the fecundity of the creeping
A. creeping dogwood is a species that does not resemble other forest plants
B. creeping dogwood is a species pollinated by a broader range of insect species than are most dogwood species
C. creeping dogwood grows primarily in regions that were not sprayed with pesticide, and so served as a control for the experiment
D. creeping dogwood is similar to the red-osier dogwood, but its insect pollinators are known to be insensitive to the pesticide used in the study
A．European meat was kept out of the home markets.B．The mislabeling of food and drugs w
A. European meat was kept out of the home markets.
B. The mislabeling of food and drugs was prevented.
C. A monopoly on food production was broken.
D. New legislation to control food industry was passed.
听力原文：Taking your capability into consideration, I give you the troublesome case. You know what to do if there's a problem？
(28)
A. He knows about your problem.
B. How did you find out about the trouble？
Can you take care of any difficulties？
D. There are homework problems due today.
Which of the following titles would best describe the content of the passage？ ______
A Description of the Oceans of the World.
B. Several Theories of Ocean Basin Formation.
C. The Traditional View of the Oceans.
D. Convection and Ocean Currents.
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