判断题。

20世纪80年代中国农村改革的内容“家庭联产承包责任制”被邓小平称为“农民伟大的创举”，在这种制度下土地的集体所有制性质不变，把经营权即耕种权承包给农民家庭，虽然开始时步履维艰，困难重重，但由于它顺应民意，得民心。故犹长江之水滚滚东流，不可阻挡，不可抗拒，迅速普及神州大地，农村改革极大地调动了农民的积极性，它不仅在短短的几年时间里解决了全国人民在建国以来没有解决的衣食温饱问题。而且为整个经济体制改革提供了良好的社会环境和坚实的社会基础。在家庭联产承包责任制推行的同时，全国乡镇企业异军突起，邓小平把它称为“农民的一伟大创举”。——田纪云《回顾中国农村改革历程》

以上述是从以上材料中得出的，请在答题卡对应题号后涂“A”；违背了以上材料所表达的意思，请在答题卡对应题号后涂“B”；是以上材料没有涉及的，请在答题卡对应题号后涂“C”

下列少数民族主要分布在南方地区的一组是

根据短文内容，选择正确答案。
D
    John sent for a doctor because his wife was ill. He called the doctor and made sure they would meet at five. He arrived at the doctor's at twenty to five. He thought. “It s a little bit earlier. I'll wait for a moment. It's good to keep the time. ”
    Then he stopped his car in front of the doctor's. He looked around and saw a noisy square not far from here. He went there and sat down on a chair to enjoy the last light of afternoon sun and make himself quiet. He saw some children playing and some women talking to each other happily.
    Suddenly he heard a girl crying. He came up to her and asked some questions. Then he knew she got lost. John tried to find out her address and took her home. The girl's parents were very thankful.
    Then John hurried to the doctor's. The doctor said angrily when he saw him “You're late. Why did you keep me waiting for 20 minutes?" John said nothing but one word "Sorry!”

从矿物学资料查得一定条件下自然界存在如下反应：14CuSO₄＋5FeS₂＋12H₂O===7Cu₂S＋5FeSO₄＋12H₂SO₄，下列说法中正确的是（　　）

青藏高原夏季气温比同纬度的长江中下游平原低得多，其主要原因是受（  ）