Which of the following sentences can be seen as the example sentence?
Another example is the gesture of “V” to indicate winning.
B. This gesture is actually coming from the West.
C. You stick out both your index and middle fingers in the shape of “V” to representthe word “victory”.
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Using examples is very common in argumentation.
A. 对
B. 错
When using examples to prove a point, a logical order would be “topic sentence, extended example sentence(s), and example sentence”.
A. 对
B. 错
There could be more than one extended example sentence.
A. 对
B. 错
中央处理器（CPU）是指什么。
A. 运算器
B. 控制器
C. 运算器和控制器
D. 运算器、控制器和主存储器
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