()Well，wouldyoulike_____todrink?
Theseare______.Youcanbuyapairforyourmother.
Theboysliketolistentomusicwhentheydo______(they)homework.
为测定某黄铜(铜、锌合金)中铜的质量分数，称取32.5g该黄铜粉末放入烧杯中，再向烧杯内加入200g稀硫酸(足量)，每隔10分钟测烧杯内(不含烧杯)剩余物质的质量，测得数据如表：
(1)完全反应后生成氢气的质量为_____
(2)计算该黄铜中铜的质量分数(写出计算过程)
()____wouldyoulike_____breakfast?
