20世纪60年代初期,涌现出王进喜、邓稼先、焦裕禄等一批先进人物,他们所体现的时代精神是( )
He'd like to get some suggestions on how to learn ____ (wise) and well.
将32×8化简,正确的结果是( )
玉米的果穗常有缺粒的原因主要是( )