Cat: Good morning, Mr Tiger.

Tiger: Good morning, Mr Cat. What date is it today? Is it the 3rd of July?

Cat: Yes.

Tiger: Oh, today is my birthday.

Cat: Happy birthday! What would you like as a birthday present? How about a big cake with some candles on it?

Tiger: No, thank you. I'd like one hundred rabbits.

Cat: One hundred rabbits? I'm sorry, Mr Tiger. I haven't got any rabbits for you.

理发店里用一种电吹风，它吹出的热风能使头发上的水很快蒸发掉，使水很快蒸发掉的原因是 ____

“夫治国犹如栽树，本根不摇，则枝叶茂荣。君能清静，百姓何得不安乐乎？”反映了唐太宗(　　)。

下图中,弹簧测力计的分度值____，此时木块的重力为____N.