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【参考答案】

他们的怀疑部分地源于一种意识观念，这种观念宣称农业是最伟大的职业，而且乡村生活比城市生活更好。
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问答题因为已经深信城市已被一些重大问题所困扰，因而这些新的城市人口热烈拥护那些许诺为混乱的城市带来秩序的进步改革。

填空题basketball

单项选择题According to the author, the alpha state has been shown to be

A．immeasurable.
B．erratic in its rhythm.
C．a brief burst of activity in the brain.
D．controllable.

单项选择题Sleep is described as

A．a gradual parting from the real world.
B．undisturbed by tension or problems.
C．drowning in an ocean of darkness.
D．dependent only upon individual age and health.

单项选择题All of the following were suggested as being used by sleep researchers except

A．projection.
B．hypnosis.
C．charts.
D．recorders.