A．They are totally different.
B．They are practically the same.
C．They are slightly different but interoperable.
D．Their differences prevent efficient communication.
A．When we dare to challenge ourselves.
B．When we feel it hard to change ourselves.
C．When we are unconfident about ourselves.
D．When we have a high opinion of ourselves.
A．They are probably untrue.
B．They are often changeable.
C．They have positive effects.
D．They have different functions.
A．By making your life successful.
B．By changing the way you think.
C．By understanding your own world.
D．By keeping a different image of others.