The snake is two metres long.(对划线部分提问)
____ ____ is the snake?
制作叶片临时装片的正确顺序是( )
①滴一滴清水 ②迅速切割叶片③盖盖玻片 ④用毛笔蘸最薄的一片放在载玻片上.
Name: Peter
Student number: 12
Age: 13
Can: draw
____ ____ ____ Peter
____ student number is____.
____ thirteen ____ ____
He's fat
He can ____.
下列数据是硝酸钾固体在不同温度时的溶解度.
温度/℃
0
20
40
60
80
溶解度/g
13.3
31.6
63.9
110
169