题干

如图所示,图一表示下丘脑参与人体生理活动调节的相关过程,图二表示胰岛素作用机理模式图.请据图回答问题(甲、乙、丙、丁为人体内某种结构或细胞,A、B、C为调节物质):

(1)图一中下丘脑参与的调节方式有____ 

(2)当人体处于寒冷环境中,图中物质____ (填字母)在血液中的含量升高.

(3)孕妇缺碘时,物质A分泌量下降,通过反馈调节,使甲乙的活动增强,导致甲状腺增生,并且胎儿发育受到影响.反馈调节是指____ 

(4)由图二可知胰岛素降低血糖浓度的机理:胰岛素与胰岛素受体结合后,一方面促进糖原、脂肪和非必需氨基酸的合成,另一方面使____ 增加,促进葡萄糖进入组织细胞.

(5)某人因体内含有胰岛素受体的抗体而表现出高血糖症状.若给其注射胰岛素,能否有效调节其血糖水平并说明理由____

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同类题2

阅读下面短文, 从短文后各题所给的四个选项(A、B、C、D)中, 选出可以填入空白处的最佳选项。

    I have been in love with China since 2010.

    After one year in Zhejiang University,I got a great1—to work as an assistant manager in a big hotel.The best part of this job was that I was the only2,so I got a good chance to understand Chinese culture and practice my3.

    Actually,I have got 4I supposed to.I have got valuable experience,devoted friends and the feeling that I am not laowai anymore.

    Guests were pleasantly surprised to see me there,because I was an interpreter,trip adviser,and5guide at the same time,which made their life much6.I met people from all over the world,who came to China for the first time, 7who knew China better than me.8my Chinese colleagues,who had answers to all the questions about9,I could explain why you should10before you buy,why Chinese don’t let guests11dinner,why it is not common to book a taxi and why it is better to catch12on the street.I also had chances to13the development of China.

    The waiters and managers were not only my teachers,but14my friends.If I needed help,they were15to help me.I enjoyed our small conversations16they were kind and educated.I was very proud and happy of the fact that all of them17me and I don't feel18anymore.

    The best part of my job was to see people coming19the hotel.When they recognized me,they20share their adventures,burdens,even thoughts with me.It means the world to me.I spent there 8 months and it was a period when I was proud to be who I am.