题目:
对正整数n,设曲线y=xn(1-x)在x=2处的切线与y轴交点的纵坐标为an,则数列{
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答案:
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参考答案:B解析:During the first 24 hours after a burn, interstitial and intracellular fluid shifts occur and intravascular fluid volume decreases. Hypovolemia calls for flui...