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【单选题】
雷尼替丁治疗十二指肠溃疡的机制是A.
中和过多胃酸
B.
吸附胃酸，降低胃液酸度
C.
阻断壁细胞上的组胺H1受体，抑制胃酸分泌
D.
阻断壁细胞上的组胺H2受体，抑制胃酸分泌
E.
抑制H+-K+-ATP酶
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知识点：
皮皮学刷刷变学霸
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【简答题】具有解螺旋酶活性的蛋白是：
【单选题】The World Bank report implies that urgent action should be taken to protect water supplies.
A.
Right
B.
Wrong
C.
Not mentioned
【简答题】More efforts should be made to protect ourselves from identity theft and massive data breaches. We need to be aware of it. → (that) more efforts should be made to protect ourselves from identity theft...
【简答题】A．New laws against discrimination should be passed to protect woman's equal rights with men. B．Changing people's ideas about women is less difficult than changing their behavior. C．There are some chan...
【单选题】21 The World Bank report implies that urgent action should be taken to protect water supplies.
A.
Right
B.
Wrong
C.
Not mentioned
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