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Official 45 Lec 3
Question 6 of 6
What does the professor imply when he says this:

A.

He wants to correct a statement he made previously.

B.

He is uncertain whether the students understood his explanation.

C.

The meaning of a term should be obvious to the students.

D.

The students are probably unaware that they have already seen examples of heterogeneous mixtures.

正确答案:C

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