What is NOT the cause of the recent explosion in academic movement？
A. Many scholars like to find an isolated place in a remote area so that they can concentrate on their researches.
B. Planes can take scholars here and there.
C. There are more people working in similar fields than before.
D. There are more learning centres than before.
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What is this lecture mainly about？
An overview of fuel cell technology
B. A process for producing fuel cells
C. A comparison of fuel cell models
D. Some problems in fuel cell distribution
The building collapsed because its foundation was not strong enough to______the weight of
A. subside
B. idealize
C. initiate
D. sustain
______ of food and other vital supplies to victims remains hampered as a result of road damage caused by the storm.
A. Distribution
B. Assertion
C. Nomination
D. Recognition
Carla Tran, Mr. Fitch's boss at the recycling plant, asked that ______ monitor the central
A. himself
B. him
C. his
D. he
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