题干

如果我们把不同的商品放在一起,会发现这些商品的价格各不相同,有的高、有的低;如果我们把视线放在同一商品上,会发现这种商品的价格也不是固定不变的,有时高、有时低。对此认识正确的是(  )

A:本质是一样的,都是由商品的社会必要劳动时间不同造成

B:本质是一样的,都是由市场供求关系的变化引起的

C:本质不同,前者是由价值量不同造成的,后者是由供求关系变化引起的

D:本质不同,前者是由供求关系变化引起的,后者是由价值量不同造成的

上一题 下一题 0.0难度 选择题 更新时间:2018-02-02 11:45:26

答案(点此获取答案解析)

C

同类题1

阅读理解

    Everyone wants to succeed in their life. Even as a teenager, you can also achieve success in your life. It isn't really so hard Here are some tips that can help you have a successful teenage life.

    Do well in school.

    No matter how boring it is now, education will help you later. Try your best to study at school, listen to teachers and finish your homework carefully, and get good grades. Doing so will help you get into a better college or university, which will help you get a great job in the future.

    Do good things in your free time.

    Volunteering can enrich (使……丰富) your experience and it can also make you happier. Find volunteer opportunities that interest you. For example, if you love animals, volunteer at an animal center. If you like helping people, volunteer at a soup kitchen (施粥所).If you want to do something good to the environment, plant trees or pick up litter. When you help others, it will make you feel better about yourself. Having lots of volunteer hours will make your resume (履历) look good!

    Find out your goals in life and work towards them.

    Start thinking about jobs you would like to get, and make a good choice according to your interests or hobbies. Challenge yourself and you'll be surprised at what you can do after you finish a hard job!

    Get active!

    Join a sports team at school or out of school. Just exercise! Studies show that people who get active in their teens will be more active when they're adults, so start getting active now.