The body cannot store vitamin C so it is ()to have

The body cannot store vitamin C so it is ()to have a fresh supply every day. A.e

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我国法律体系中,法律的效力层级最高的是( )。

我国法律体系中,法律的效力层级最高的是( )。选择一项:A. 行政法规B. 部门条例C. 宪法D. 地方性法规

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The newspaper says we should sort trash.

The newspaper says we should sort trash.选择一项:对 错

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适用于不论等截面或变截面,直杆或曲杆,基本变形或组合变形,横截面或任意截面的普遍情况

适用于不论等截面或变截面,直杆或曲杆,基本变形或组合变形,横截面或任意截面的普遍情况 A.应力在比例极限内 B.外力合力作用线必须沿着杆的轴线 C.应力

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The old told me that it was no use thinking too mu

The old told me that it was no use thinking too much about one’s _____ youth. A.

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