皮皮学，免费搜题
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【单选题】
多巴胺增加肾血流量的主要机制是A.
兴奋β1受体
B.
兴奋β2受体
C.
兴奋多巴胺受体
D.
阻断α受体
E.
直接松弛肾血管平滑肌
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A.
At a department store.
B.
In a woman's laboratory.
C.
In a kitchen.
D.
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B.
People there have no interest in poetry.
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Poetry is the most popular literature.
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People have no passion for writing poems.
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【单选题】A:( ). B:Hi. My name's Rose. Are you from London?
A.
Hello, I'm Paul. What's your name?
B.
Hello, who are you? What's your name?
C.
Where are you from?
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