题目

下列各组化合物的性质比较中不正确的是A、酸性:HClO4>HBrO4>HIO4 B、碱性:Ba(OH)2>Ca(OH)2>Mg(OH)2C、稳定性:HCl>H2S>PH3D、 原子半径:N<O<S  答案:D解析: 根据句意,选择单词或短语并以其适当形式填空。【1】The Spring Festival Gala is broadcast _________ on the eve of Chinese New Year, spreading Chinese traditional culture to the world.【2】The scale of China’s digital economy reached 31.3 trillion yuan in 2018, _________ 34.8 percent of the country’s GDP.【3】Game of Thrones made a great hit, meeting the great _________ of its audiences across the globe.【4】Acupuncture is the practice of inserting needles into the skin to _________ physical pain as well as some mental and emotional conditions.【5】An orange cat of around eight months was found in a ship which was _________ for the port of Milan, sealed in a freight container (集装箱) from China.【6】Sunshine and water prove _________ to all the living creatures on the earth for their survival.【7】The visit to museums in Europe helps him develop an interest in art, and he decides to _________ drawing as a hobby.【8】It’s a pity that the athlete has _________ the final competition due to his injuries.【9】The company has provided several sample applications for potential customers to _________.【10】BeiDou Navigation (导航) Satellite System offers users a global positioning capability with great _________.
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