法律调整机制是用来保证对社会关系实现有效法律影响的各种法律手段的系统。法律凋整机制的构成要素包括哪些？（）

建筑石膏与其他胶凝材料比，其特点是() 点击查看答案

听力原文：M: Hi, Sherril.W: Hello, Fill, how are you?M: I'm fine, where are you headed?W: Oh, I' m on my way home from work.M: I didn’t know you had a job.W: Ya, I work part-time at the supermarket.M: What do you do there?W: I work in the produce section, trimming and wrapping fresh fruit and vegetables. I also stock shelves. Sometimes when it really gets busy, I work at the check-ont counter. Have you got a job, Fill?M: Ya, I do yard work for people. Your know, cutting grass, raking leave and falling weeds, things like that.W: I' d like doing that. It must be nice to work outdoors.M: Sometimes it is, except when it rains, or snows or gets too hot or too cold.W: I guess every job has its drawbacks. 'There are times when I get pretty tired of carrying things around at my job. But a job is a job. Got to earn money for school.M: Me too, tuition sure is high, isn't it? Well, I'd better get going. I have to plant some trees for my neighbors this afternoon.W: Well, don’t work too hard, holding down a job, going to class, studying, sometimes can become too much for one person. Take it easy.M: You too, it was great seeing you, Sherrill.Where was Sberrill going when Fill met her?A．To the supermarket.B．To school.C．To her home.D．To work outdoors.

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