五、综合填空
阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。
Do you know World Water Day? It falls 46 March 22nd every year. On this day, people around the world come together to learn about how to save and protect water. People plant trees, clean up rivers and lakes, and share information about how to use water 47 (wise). By doing these things, we can help ensure that there will be enough clean water in the future.
Water is an important resource(资源) for all life on the earth. It covers over 70% of our planet, 48 only 2.5% of it is fresh water suitable for our needs. With the increasing needs of a growing population and the influence of climate change, being short of water has become 49 serious problem in many parts of the world.
As responsible citizens of the world, it's our duty to save and protect this 50 (value) resource. Simple habits at home can make a big 51 (different). For example, we can take shorter showers and turn off the tap(水龙头) when 52 (brush) our teeth. It's also important to reuse and recycle water as much as possible. So when it rains, we can collect rainwater in a bucket for future use such as watering plants.
However, at present, most of the water on the earth is used in agriculture(农业) and industries by people, so it's necessary 53 (save) water in agriculture and industries through some water-saving methods or technologies. Besides, the government needs to call for everyone's effort to keep rivers, lakes, and other water bodies clean by avoiding 54 (pour) waste into them.
In conclusion, saving and protecting water is everyone's responsibility. Remember, every drop counts, and together we can ensure a bright future for 55 (we) and future generations(一代).

【解析】：
这是一道英语综合填空题，主要考查了介词、副词、连词、冠词、形容词、名词、非谓语动词以及代词的用法。需要根据上下文语境和语法规则来确定每个空的答案。
1. 第46空，考查介词的用法。在表示日期时，通常使用介词on，但在表示某一天用on，月份，年份前面用in，题目中指的是具体的某一天“March 22nd”，但此处是考查fall on这一固定搭配，意为“适逢，正当”，所以填on。
2. 第47空，考查副词的用法。此处需要用副词来修饰动词use，表示“明智地使用水”，所以填wisely。
3. 第48空，考查连词的用法。前后两个分句之间存在转折关系，需要用连词but来连接，表示“但是只有2.5%的水是适合我们需要的淡水”。
4. 第49空，考查冠词的用法。此处表示“一个严重的问题”，需要用不定冠词a来修饰serious problem。
5. 第50空，考查形容词的用法。此处需要用形容词来修饰名词resource，表示“有价值的资源”，所以填valuable。
6. 第51空，考查名词的用法。此处表示“产生影响”，需要用名词difference来构成固定短语make a big difference，所以填difference。
7. 第52空，考查非谓语动词的用法。此处表示“当刷牙的时候”，需要用现在分词brushing作状语，表示与主句动作同时发生的动作。
8. 第53空，考查非谓语动词的用法。此处是固定句型it's necessary to do sth的变形，表示“做某事是必要的”，所以填to save。
9. 第54空，考查非谓语动词的用法。此处avoid后面需要接动名词作宾语，表示“避免做某事”，所以填pouring。
10. 第55空，考查代词的用法。此处表示“为了我们自己和后代”，需要用反身代词ourselves来指代主语we本身。
【答案】：
46. on；47. wisely；48. but；49. a；50. valuable；51. difference；52. brushing；53. to save；54. pouring；55. ourselves

六、选词填空
从方框中选择适当的单词或短语并用其正确形式填空,每个单词或短语限用一次。
develop comfort include help community natural on one's own they increase solve
An aging population is a serious problem around the world. Many countries are looking for ways to give the old better care.
All around the world the number of old people 56 now. However, there aren't enough care workers to look after them. 57 the problem, Caring Robots appear in Japan and are playing parts in looking after the old. With the 58 of technology, it's possible for both the young and the old to enjoy life. Culture also works in its way to care for the old. In China, people share the idea that the old are keepers of wisdom and young people should respect them and take care of them when they are in difficult situations. It is helpful for the old to live together with the young under such an idea. At the same time, our country tries to create more enjoyable and 59 living environment.
Many old people hope to live 60 with more freedom. In Sweden, most of the old live in their own houses and enjoy living by 61 . Old people worked hard and did a lot for the country when they were young. 62 , they can live the way they like and get better care to keep healthy.
To improve old people's experience of living alone, Singapore is building more friendly 63 for them. People doing different jobs 64 policemen, shopkeepers and students get training to help the old. They help with the housework such as cooking and cleaning. In this way, old people can stay at home, not in a nursing centre.
We are making a great effort 65 the old live well during their rest of life in society. In our search for the best ways for a fast-increasing aging population, let us remember that we have to work together to find useful ways to care for the old better.
56. 57. 58. 59. 60.
61. 62. 63. 64. 65.

【解析】：
这是一道英语选词填空题，主要考查了词汇在语境中的运用，包括动词时态、介词短语、名词所有格、形容词比较级、反身代词、副词、名词以及动词不定式等语法知识。需要先理解每个句子的意思，再从所给的词中选择合适的词，并用其正确形式填空。
【答案】：
56. is increasing。根据句意“现在，老年人的数量正在增加”，且主语the number of old people为单数，所以填is increasing。
57. To solve。根据句意“为了解决这个问题，日本出现了护理机器人”，此处用动词不定式表示目的，故填To solve。
58. development。根据句意“随着科技的发展”，且前面有定冠词the，所以填名词development。
59. more comfortable。根据句意“同时，我国努力创造更愉快、更舒适的生活环境”，且and连接两个并列的形容词比较级，故填more comfortable。
60. on their own。根据句意“许多老年人希望独自生活，享有更多的自由”，此处表示“独自”，故填on their own。
61. themselves。根据句意“在瑞典，大多数老年人住在自己的房子里，喜欢独自生活”，此处表示“他们自己”，故填themselves。
62. Naturally。根据句意“自然，他们可以按照自己喜欢的方式生活，并得到更好的照顾以保持健康”，此处用副词修饰整个句子，故填Naturally。
63. communities。根据句意“为了改善老年人独自生活的体验，新加坡正在为他们建设更多友好的社区”，且more后接可数名词复数，故填communities。
64. including。根据句意“从事不同工作的人，包括警察、店主和学生，都接受培训以帮助老年人”，此处用介词including表示“包括”，故填including。
65. to help。根据句意“我们正在努力帮助老年人在社会上安度晚年”，此处用动词不定式表示目的，故填to help。