Which of the following statements is correct?
A. In the process of translation, understanding means only knowing the meaning of every word.
B. Conversion means changing the form of verbs.
C. In translation, the structure of the source text can not be changed.
D. In translation, the expression must cater to the custom of target language.
Which of the following is not included in three steps of translation?
A. Understanding the source text.
B. Looking for appropriate expression in the target language.
C. Testing the accuracy of the translation.
D. Checking the mistakes and revising the translation.
仔细阅读《差评处理案例》，并对三个案例进行点评并给出结论。1、案例一（1）点评过程：（2）点评结果：2、案例二（1）点评过程：（2）点评结果：3、案例三（1）点评过程：（2）点评结果：
CUP由运算器和控制器组成，运算器包括______、______、______、______。
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