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【单选题】
与肾上腺素比较，肾上腺素不具备的药理作用是A.
松弛支气管平滑肌
B.
抑制肥大细胞释放过敏物质
C.
收缩支气管黏膜血管
D.
激动β 受体
E.
激动β 具有广泛生物学活性的细胞因子，它能够有效地提高免疫功能受体
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反馈参考答案：
举一反三
【单选题】The peace agreement is new and still vulnerable to being destroyed.
A.
life-changing
B.
easily spread to other people
C.
conflict between different groups of people from the same country
D.
weak and easily hurt by
E.
likely to change suddenly
F.
polite in a formal way
【简答题】:eq(index) 选择器的 index 值从 () 开始。
【单选题】Being still ____ and hearty in spite of his seventy years, my father is able to add to his pension by selling vegetables from his garden. A.strong B. powerful C. cheerful D. hale
A.
strong
B.
powerful
C.
cheerful
D.
hale
【简答题】Whales are still being h ____ and killed in that ocean.
【简答题】_______ means being nervous and unable to keep still.
【简答题】:eq(index)选择器的index值从______开始A. 0
【简答题】A．Living in a community of friends. B．Enjoying a still and quiet life. C．Being cut off from the exciting s. D．Going back closer to nature.
【简答题】Still others may () enjoy being outdoors and close to plants. (2016· 全国 II )
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