单项选择题

The main idea of this passage is ______.

A．Knowledge of a Computer
B．Importance of a Computer
C．Function of Knowledge
D．Function of Technology
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单项选择题
Can you ride a horse No, I never had the chance ______.
A．for learning
B．for learning how
C．how to learn it
D．to learn how
单项选择题
The last two sentences imply that ______.
A．statesmen in the world are less competent than jeans
B．the inhabitants of the world should speak the same language
C．statesmen have failed to reach agreement on many major issues of the world
D．jeans will help statesmen to reach agreement on some world issues
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