单项选择题

Confronted with the new groups of cosmic reality, many educated men ______.

A．become ignorant savages again
B．find the "time barrier" unbearable
C．will not combine solar and stellar space
D．cannot adapt to the abrupt change of scale

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单项选择题

In the second paragraph, the author gives two examples to show ______.

A．the development of attitudes is most important
B．people's behavior can be shaped by direct or indirect experience
C．conscious instruction is important in shaping people's behavior
D．unpleasant experience leaves a greater impression on people

单项选择题

What is the passage mainly about

A．How to develop the desired attitude in children.
B．What role emotional reactions play in education.
C．How children's attitude affect their study.
D．Why undesirable attitudes are hard to eliminat