问题
单项选择题 A1型题
西咪替丁治疗十二指肠溃疡的机制为（）
A.中和过多的胃酸
B.形成保护膜覆盖溃疡面
C.阻断胃腺壁细胞上的组胺H1受体，抑制胃酸分泌
D.阻断胃腺壁细胞上的组胺H2受体，抑制胃酸分泌
E.抑制H+-K+-ATP酶
答案
参考答案：D
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西咪替丁治疗十二指肠溃疡的机制为（）
A.中和过多的胃酸
B.形成保护膜覆盖溃疡面
C.阻断胃腺壁细胞上的组胺H1受体，抑制胃酸分泌
D.阻断胃腺壁细胞上的组胺H2受体，抑制胃酸分泌
E.抑制H+-K+-ATP酶
参考答案：D
| 阅读理解。 | |
| Welcome to my home. Look, this is my father. He is sitting on the sofa and watching TV. He likes sport programs best. Yao Ming is his favorite sport star. The old man and old woman are my grandparents. They are sitting on the chairs near the window. They are drinking tea and chatting (闲谈) happily. The woman with long hair is my mother. She is cooking dinner for us in the kitchen. It's her favorite job at home. She can cook much delicious food by h | |
Who | What is/are doing? |
I | 1 |
2 | playing computer games |
grandparents | 3 |
my father | 4 |
my mother | 5 |