实验室欲配制84g质量分数为10%的碳酸氢钠溶液用于实验，请计算：
例：
I like this skirt.
I don't like that dress.
在一张由复印机通过放大复印出来的纸上，一个面积为2cm2图案的一条边由原来的1cm变成3cm，则这次复印出来的图案的面积是____ cm2．
This is our n ____h____. Look! We have a s____ and a TV in the living r____. We have a f____ and a t____ in the kitchen. In the bedroom we have s____ dolls on the bed and a c____ on the desk. I l____ my new home.
