ReadthefollowingpassageandmarktheletterA,B, C,orD onyouranswersheettoindicatethecorrectanswertoeacho...

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Which of the following is the main subject of the passage?

The importance ofmodels in scientific theories.

The sorts of facts that scientists find most interesting.

The ways that scientists performdifferent types of experiments.

The place of theory andhypothesis in scientific investigation.

Giải thích

Chọn đáp án D

The place of theory and hypothesis in scientific investigation: Vị trí của lý thuyết và giả thuyết trong nghiên cứu khoa học.