正确答案: D

中国人民同美帝国主义支持的国民党反动派之间的矛盾

题目：抗日战争胜利后，中国社会的主要矛盾是

解析：D

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举一反三的答案和解析：

[单选题]肝性脑病并发碱中毒时，应首选

盐酸精氨酸

[单选题]粥瘤所不具备的成分是

B淋巴细胞

解析：

50．答案：C

[考点] 动脉粥样硬化症，粥瘤

[分析] 粥瘤是动脉粥样硬化症的基本病变，是脂质沉积于大、中动脉内膜而引起的病变。表面为纤维瘢痕帽，其内为无定形的坏死物质，并有胆固醇结晶形成，周围可见泡沫状细胞(可由巨噬细胞或平滑肌细胞演化而来)，病变内可见散在的T淋巴细胞，而不见B淋巴细胞。

[单选题]Passage ThreeFor some time after the Spanish won Granada from the Moors, Spanish kings enjoyed visiting that delightful city. After many years, however, they were frightened away by a series of earthquakes, during which several houses fell to the ground, and the old towers shook to their foundations.

Spanish won Granada.

解析：本题属判断正误题。文章第二句已明确点明。