改革开放以来，我国先后制定了《刑法》《刑事诉讼法》《民法通则》等一批重要法律，建立起了比较完备的法律体系框架。中国特色社会主义法律体系框架的核心是 (    )

阅读短文，判断正误。

    Mr. Black has a bigfarm. There is a vegetable garden on the farm. You can see carrots, green beans, potatoes and tomatoes. On his farm, there are many animals, too. There are ducks, sheep, hens, horses and goats. Mr. Black likes his animals. He feels(感觉) happy. My friends and I often go to the farm and play with the animals. Some friends like horses and some like goats. I like sheep. We often help Mr. Black clean the farm.

下面相关人体血液循环的叙述中正确的是（    ）