材料:
植物体内导管运输的物质和方向是( )
有资料表明,十年“文革”时期国民收入损失了5000亿元,这超过了建国后30年全国固定资产的总和。这反映出“文化大革命”的一个严重后果是( )
I'd like _______ bowls of noodles. One is for myself and the other two are for my parents.
Finally the slave trade was in 1807.