单项选择题

A．They could drive the insects away.
B．They could keep the plants well-watered.
C．They could make the plants grow faster.
D．They could build devices to trap insects.
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单项选择题
In his book Philosophy of Boredom , Lars Svendsen examines the origin of boredom, its history, how and why it afflicts us, and how to overcome it.
A．Y
B．N
C．NG
单项选择题
According to the passage, people’’s learning activities are possible because they________.
A．enjoy being rewarded for doing the right thing
B．know what is vital to the progress of society
C．believe that emotions are fundamental for them to stay alive
D．benefit from providing help and support to one another
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