It can be inferred from the passage that ______.
A. online education slows down learning
B. both students and educators are against online education
C. online education is at the phase of research
D. there are some problems with the technology applied in online education
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Which of the following is not what scientists attempt to find out about earthquakes？
A. Time.
B. Animals.
C. Magnitude.
D. Place.
According to the passage, whose interest is ranked the last in American bankruptcy law？
A. Big bankers.
B. Small trade creditors.
C. Shareholders.
Debt-holders.
According to Paragraph 5, measuring the conductivity of fluid in rock may not be a reliable earthquake predictor, because ______.
A. other factors may account for changes in conductivity
B. rock may be saturated with fluid
C. these changes can be measured
D. the conductivity of crustal rock is inherently variable
Online distance classes are learning environments that are ______.
A. available all the time
B. not always available
C. very expensive
D. very cheap
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