A:sound
B:voice
C:noise
D:talk
小明和小华分别利用图甲所示的相同装置探究水沸腾时温度变化的特点,当水温接近90℃时,每隔0.5分钟记录一次温度,并绘制出了如图乙所示的水温与时间关系的图象
Millie is a little fat. She wants to join a body club in the summer holiday. She has found some information about a body club.
东南亚地理位置十分重要,其“十字路口”的咽喉要道是指( )
如图所示,该几何体的俯视图是( )