补全下列成语，并按要求答题。

____耳欲____   ____斧____工

____ ____不息   百家____ ____

①“百家____ ____”是含有数字的，这样的词语还有：____、____。

②选词填空。

桂林的山水真是大自然____的杰作啊！

    My mother is a teacher. On weekdays, she gives lessons at school and on Saturdays she works in clubs. On Sundays, she is still busy.

On Sunday morning, mum gets up at six. She cooks breakfast for us first. And then it's time for cleaning. After that, she has breakfast with father and me. At 9, she goes to buy food for lunch in the supermarket. She can have a short rest after lunch. In the afternoon, mum doesn't go out. She helps me with my lessons. She does some reading, too.

    Mother watches TV at about 7 when she finishes (完成) the housework. But at that time she is always tired and falls asleep (睡着) in the sofa sometimes.

科学家最近制造出第112号新元素，其原子的质量数为277，这是迄今已知元素中最重的原子．关于该新元素的下列叙述正确的是（　　）

故乡是人生的根，乡愁是血脉的情。阅读材料，回答问题。