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【单选题】
元朝开国先河的是()。A.
蔑儿乞氏
B.
燕铁木儿
C.
阿合马
D.
桑哥
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举一反三
【单选题】How does Nick feel about the way Dean and his sister planned the fake endorsement deal?
A.
angry because he didn't think they were crazy enough to do it
B.
disappointed because he didn't think they were mean enough to do it
C.
surprised because he didn't think they were intelligent enough to do it
【单选题】According to Nick, Dean didn't expect something to happen. What?
A.
He didn't expect Nick to believe that the endorsement deal was real.
B.
He didn't expect Nick to figure out that Dean had tricked him.
C.
He didn't expect Coach to kick Nick off the team.
【简答题】请述胰岛素的生理作用和分泌调节。为什么胰岛素缺乏时会引起糖尿病？参与钙、磷代谢的激素各自的主要生理作用。
【单选题】下列对胰岛素的叙述不正确的是
A.
胰岛素由A、B两个肽链组成，共16种51个氨基酸
B.
胰岛素在体内起调节糖代谢作用，是治疗糖尿病的有效药物
C.
胰岛素是由胰β-细胞受内源或外源性物质如葡萄糖等的激动而分泌的一种蛋白质激素
D.
猪胰岛素是人胰岛素的替代品，二者作用完全相同
E.
我国科学家最早完成胰岛素的全合成
【简答题】面神经的味觉纤维发自面神经管内（）的神经元。周围支形成（），然后参加到舌神经中，终止于（）的味蕾。中枢支进入脑桥，与舌咽神经的味觉纤维一起，终止于（）。
【单选题】在生理浓度下，胰岛素对物质代谢调节作用叙述中，下列哪一种作用不被增强
A.
细胞质膜对葡萄糖的通透性增强
B.
DNA及RNA合成
C.
葡萄糖的氧化磷酸化
D.
脂肪合成代谢
E.
糖的异生作用
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