Time
What to do
On Saturday morning
I have a ____ in a big store.
On ____afternoon
I walk dogs.
On Sunday morning
I have to ____my little sister.
On Sunday ____.
I watch a ____.
小明的爷爷和爸爸都是老花眼,爷爷的老花眼更重一些,小明的妈妈则是近视眼.他们用的三副眼镜都放在报纸上,如图所示,现在爷爷要看书,让小明把眼镜递给他,小明应该拿图____ 中的那一副。
0.0000025用科学记数法可表示为____;