题目内容

P71-2.3.2

A. 0V
B. -18V
C. 6W

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P71-2.3.3

A. 30W
B. 6W
C. 12W

P72-2.3.4

A. 1A
B. 3A
C. -1A

In order to catch the attention of potential learners, advertisements usually exaggerate (夸大) the fast pace and great ease of learning English.

A. 对
B. 错

Learning a language is just like how a parrot imitates a human being.

A. 对
B. 错