单项选择题

A child's development might well be adversely affected if ______.

A．he were subjected to unusually strict discipline
B．his mother often gave in to his demands
C．his energies were freely given an outlet
D．he were brought up in a happy environment

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热门试题

单项选择题

The main idea of the first paragraph is that ______.

A．to define the term social class does not involve much difficulty
B．there is much alternation in people's social classes
C．to evaluate a person's social class is a very complex procedure
D．we can tell which social class a person belongs to by the way he behaves

单项选择题

The best title of the passage might be ______.

A．The Criteria for Classifying Social Groups
B．Social Classes
C．Changes in Social System
D．The Evolution of Human Society