在研究下述运动时，能把物体看做质点的是

农村集体经济产权，是指农村集体经济组织对其所有的资产的占有、支配和收益的权利、义务和责任。近年来，各地积极推进农村集体产权制度改革，逐渐明晰每个村民在农村集体经济组织中的产权份额。这一改革有利于（  ）

①保障农民的土地所有权，提高其使用效率

②创新集体经济的经营模式，优化资源配置

③壮大集体经济，增加公共积累和国家税收

④明晰产权归属，激活农村各类生产要素潜能

Thoughts on a Tranquil Night

Before my bed a pool of light;

Oh, can it be frost on the ____(地面)?

Looking up, I find the moon bright;

Bowing, in homesickness i'm drowned.

(Translated-____ (由) Xu Yuanchong)

____(在……中间) all of china' s classic poems 7 houghts on a Tranquil Night might be the most liked and recited.It ____(出现) in many classic books, ____(包括) Three Hundred Tang Poems. It has many different translated versions all over the world. It's ____ (也)a must-read poem in Chinese textbooks.

In this ____(短的) poem, there are not many words that are difficult to understand. With only 20 ____(文字), the poet was able to vividly ____(描写) the feeling of being homesick after seeing a bright moon. The poem ____（表达） real and strong feelings in clear and simple language.

我们只要有了好奇心，就能培养出高雅情趣。（   ）