题干

划船时,使船前进的的动力是( )

A: 桨对水的推力

B: 水对船的推力

C: 人对船的推力

D: 水对桨的推力

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答案(点此获取答案解析)

D

同类题2

阅读材料,完成下列要求。

    城镇化是现代化的必由之路,也是我国“十三五”规划明确提出的一项重要内容。

材料一  农村土地管理制度改革一直贯穿于我国城镇化发展进程。改革开放之初,我国在农村实行家庭联产承包责任制,将土地所有权和承包经营权分设,所有权归集体,承包经营权归农尸。随着工业化的深入推进,农村劳动力大量转移进城,到二、三产业就业,家家包地、户户种田的局面发生了很大改变。为顺应农村改革新形势,2016年11月,中央印发《关于完善农村土地所有权承包权经营权分置办法的意见》,实行集体所有权、农户承包权、土地经营权“三权分置”并行,强调落实集体所有权,稳定农户承包权,放活土地经营权。

材料二  根据《国家新型城镇化规划(2014 - 2020年)》,2020年我国户籍人口城镇化率要达到45%。这意味着,“十三五”期间要实现1亿左右农民工和其他常住人口在城镇定居落户。为此,某地人大开展了专题调研,发现不少地区在推进户籍改革过程中,同步开展撤县设区、撤乡镇设街道,并推进城市基本公共服务全覆盖建设。但是仍有不少农业转移人口因为担心农村土地承包等方面的法规政策变化,以及进城后“就业难”“看病难”“土学难”等一系列问题,不太愿意退出承包地而落户城镇,户籍人口城镇化率的提高成为了各地的难点。

同类题5

阅读理解

       What is the best-selling book in the world? Is it the Harry Potter series or Secret Garden? According to the Guinness World Records, the Xinhua Dictionary, published by the Commercial Press in China, is the world’s most popular dictionary and the best-selling book.

       In 1950, Chinese language experts(专家) and scholars, Wei Jiangong and Ye Shengtao, started to edit(编辑) the Xinhua Dictionary. There was a lot of discussion, research and paper work. Some hand scripts (稿件) were checked again and again like compositions, People's Daily reported. Many people's hard work and interesting stories went into making the dictionary.

        In 1953, the first Xinhua Dictionary was published. Today, 567 million copies of the dictionary have been sold worldwide

      However, revisions (修订) to the dictionary continue to be made. According to Yu Guilin from Commercial Press, editors(编辑) usually summarize (总结) the meaning of words again while revising. If the example sentences are out of date, editors need to have experiences and make new examples. “To give a correct explanation of the word ‘焗油 (deep condition)’ , one editor went to a barber shop (理发店) to experience it for himself,” Yu told the Beijing Times. So far, the Xinhua Dictionary has been revised 11 times.

     To keep up with the times, some popular and widely used internet words are also added to the dictionary. For example, in the 11th edition, the phrases “晒工资 (show off salary)” and “晒照片 (show off pictures)” were included.

       All these efforts create the “National Dictionary” of China. The Xinhua Dictionary is not only a useful tool for generations of Chinese people. It also helps foreigners who are learning the Chinese language and culture.