I'm going to Beijing this summer vacation with my family. We're going there by train. We're going to stay in a hotel. We're going to see the Great Wall, the Bird's Nest. We're going to see Tianan'men square, too. I'm
天竺葵通过光合作用最终将光能储存在( )中.
把一只实心铁球放入一满杯水中,溢出水的质量为m1,放入满杯酒精中溢出酒精的质量为m2,(ρ水>ρ酒精)( )
在互联网中,光纤的作用是( )
阅读下面这首宋词,完成后面小题
临江仙 暮春
赵长卿
过尽征鸿来尽燕,故园消息茫然。一春憔悴有谁怜。怀家寒食夜,中酒落花天。
见说江头春浪渺,殷勤欲送归船。别来此处最索牵。短篷南浦雨,疏柳断桥烟。