What is the purpose of the new "LinkIn Students”app?
A. To help college graduates find a more desirable job.
B. To render job-hunting less stressful for college graduates.
C. To assist college graduates to contact their university alumni.
D. To relieve the pain college students may feel when rejected.
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Dafforn considers the discovery of the toxic chemicals in the trenches disturbing because—_________________
A. we are paying little attention to the impacts of sea exploration
B. we can't foresee how long the chemicals will influence our life
C. we have no idea about the source of the high levels of toxic chemicals
D. we don't know completely what impacts the chemicals may bring to us
What does Jamieson suggest about how the pollutants get to the seafloor?
A. Fish spread the pollutants as they swim around in the deep ocean.
B. Plastic gets gradually dissolved in the ocean and fall to the seafloor.
C. Plastic in the ocean keeps the pollutants from getting to the seafloor.
Dead marine animals that have absorbed pollutants fall to the seafloor.
What have the scientists discovered about the amphipods?
A. They are trapped in the trench.
B. They live on organic pollutants.
C. They have been highly polluted.
D. They are identified as a new species.
What did Alan Jamiecson's team use the"lander"for?
A. Deep sea fishery and adventure.
B. Getting samples from the deep sea.
C. Testing water pressure in the trench.
D. Clearingaway the industrial pollutants.
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