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热继电器主要对电机进行保护。

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The passage discusses the Freshman 15. It represents the amount of __________that a freshman gains during his/her first year of college.

If the Freshman 15 is true, this means that freshmen gain 15 pounds on average due to changes in their ____ and _.

Thrown into a demanding environment, students may have difficulty __ the stress, and then they may turn to even when they are not hungry. When people eat to reduce stress, it is called .

When they have busy schedules, students often eat __ and eat unhealthy food with a lot of fat and .