sth.）：to put a limit on
Families in China are generally restricted to （having） one child.中国家庭一般只允许生一个孩子。
Nowadays women are no longer restricted to domestic work.当今妇女不再只限于做家务活。
27.Humans are capable of great mutual compassion，
，love，and tenderness.
be capable of sth/doing sth：be able to do有能力做某事；有潜力做某事He is capable of overcoming the difficulties.他有能力克服困难。
Under the leadership of our Party and our governments，we are capable of winning the battle against Sars.在党和政府的领导下，我们有能力取得抗击Sars这场战役的胜利。
28.Look at the delight a one-or two-year-old takes in learning，and you see how powerful is the human will to learn.
Look……，and：do sth.and you （will）：如果——，你就会——，这里该句型相当于条件从句。
Eg：Work hard and you will pass the exam.如果你努力学习，你就会通过考试。
Show me the evidence and I will believe you.如果你拿来证据，我就相信你。
take （a） delight in sth./doing sth.以——为乐
eg：The old man takes great delight in playing chess.这位老人从下棋中得到很大乐趣。
We should never take delight in others' failures.我们不应该对别人的失败而幸灾乐祸。
see的宾语从句how powerful is the human will to learn 是倒装句，由于主语the human will to learn较长而置于系动词is之后。
29.Our passion to understand the universe and our compassion for others jointly provide the chief hope for the human race.——We have a strong desire for learning and we are kind and tender towards one another.With these two fine qualities，the human race will have a bright future.我们有渴望了解宇宙的热忱，我们有对他人的同情心，人类的希望主要寄托于此。
passion热忱；激情 compassion 同情心，作者在此用了passion 与compassion 两个谐音词来表达他对人类的希望。谐音词是一种修辞手法，用来取得一定效果。
provide sth.or sb.For sb.Or sth./ provide sb.Or sth.with ……：to supply sb.With……
eg：Our school has provided every teacher with a notebook computer.
The organization provided a lot of food and clothes for the children.
