- What do you think of the dish I cooked for you?
- I haven't had it yet. However, it good.
A:tastes
B:smells
C:sounds
D:feels
过去的暖气片由铸铁制成,是因为铁具有良好的____性,但它易生锈,所以逐渐被铝合金暖气片取代.铝合金更耐腐蚀,原因是____.金属的广泛用途主要由性质决定,如图是某同学设计的实验,他想要探究的问题是____,其中发生反应的化学方程式为____ .
物理课上,同学们都在聚精会神地听讲。以下列哪一物体为参照物,讲台是运动的( )