根据实际情况填写适合的单位或数值:①一个苹果大约是150____ ;②水的密度是____ g/cm3; ③教室门的高度约为2____ .
bào zào
pí qì
xǐng wù
chén jì
____
fēn xiǎng
mǎ tou
fàn wéi
wǔ rǔ
—________ can you see?
—I can see green.
10268 = ( )