C
A smile shows that a person is happy. For example, a person may smile when he or she is p _1_ with some progress in studies. Or a person may smile if a friend tells a funny joke. There are other good r _2_ to smile often.
First, it is e _3_ to smile than to show unhappiness. In fact, it only takes 17 muscles(肌肉) to smile. On the other hand, it takes 43 muscles to show unhappiness. So give the muscles in your f _4_ a rest and smile!
Second, smiles are nice. People may try to l _5_ nice by exercising or wearing nice clothes. However, people often say a smile is the best thing a person can wear. That is because it is easy to be a _6_ someone who is smiling and happy. Almost no one wants to stay with someone who is always unhappy.
Third, smiles have power(感染力). Both smiling and laughing can easily and quickly s _7_ from one person to another. If one person smiles, people around him or her want to smile, too. Similarly, when a person laughs, people tend(往往会) to laugh with him or her. If a person is s _8_, the best thing to do is to share a smile or a laugh. It is the easiest way to cheer someone up.
F _9_, smiling and laughing are very good for the body. Even though you are sad, try smiling. You'll find that it will be difficult to s _10_ sad for very long!
1. 2. 3. 4. 5.
6. 7. 8. 9. 10.

1. pleased 2. reasons 3. easier 4. face 5. look 6. around 7. spread 8. sad 9. Finally 10. stay

【分析】
这是一篇英语首字母填空题，解题时首先要通读全文，明确文章核心是介绍微笑的各类好处，理清行文逻辑顺序。之后逐空结合上下文语境、给出的首字母提示，搭配固定语法、常用短语的积累推导答案，推导完成后还要校验答案的词性、单复数、比较级变形等是否符合语法规则，确保填入后语句通顺逻辑自洽。比如看到空后有than就要想到用比较级，前文出现First、Second这类序数词就要对应找同逻辑的序列词，降低推导难度。
【解析】
1. 句意：一个人在学习上取得一些进步时可能会微笑，固定搭配be pleased with表示“对……感到满意”，结合首字母p，填入pleased。
2. 句意：还有其他经常微笑的好理由，前文be动词为are，说明要填可数名词复数，结合首字母r，填入reasons。
3. 空后出现提示词than，需要用形容词比较级，句意微笑比表现出不开心更容易，结合首字母e，填入easier。
4. 句意：所以让你脸上的肌肉休息一下，微笑吧，结合首字母f，填入face。
5. 句意：人们可能会通过锻炼或者穿好看的衣服来努力让自己看起来好看，try to后接动词原形，结合首字母l，填入look。
6. 固定搭配be around sb表示“在某人身边”，句意和面带微笑、情绪愉悦的人待在一起是很舒服的，结合首字母a，填入around。
7. 前文提到微笑有感染力，句意微笑和大笑可以很轻易快速地从一个人传播到另一个人，结合首字母s，填入spread。
8. 后文提到要让对方振作起来，说明此处指如果一个人情绪低落难过，结合首字母s，填入sad。
9. 前文已经依次出现First、Second、Third分点介绍好处，此处是最后一点，结合首字母F，填入Finally。
10. 句意：你会发现很难长时间保持难过的状态，stay+形容词表示“保持某种状态”，结合首字母s，填入stay。
【答案】
1. pleased 2. reasons 3. easier 4. face 5. look 6. around 7. spread 8. sad 9. Finally 10. stay
【知识点】
首字母填空、固定短语搭配、形容词比较级
【点评】
本题属于主题贴近生活的说明文类首字母填空，行文逻辑清晰，大部分空都有明确的前后提示信息，既考察学生对全文主旨的梳理能力，也考察常用词汇和固定搭配的积累，做完后可以把答案代入通读全文验证通顺度，就能排查出大部分错误。
【难度系数】
0.7

D
As the weather gets warmer, it's the perfect time to plan a day at the beach. There, you can enjoy a _1_ like swimming, surfing, and building castles in the sand. However, it's important to keep beach safety in mind.
Now, there is a new AI water m _2_ system(管理系统) that can help stop drowning(溺水). Sight-bit was developed by a company which can be used to help save l _3_. This programme was c _4_ after its creator saw someone drowning in the sea. He believed this could have been stopped and started working on this programme.
The Sight-bit system works by using cameras at the beach to read the water conditions c _5_. The AI is able to watch the video and find dangers. For example, it can t _6_ when the waves(波浪) are dangerous or whether(是否) someone is in trouble or not in the water.
The new system can also help beach safety officers know where and when someone n _7_ help. Then they can receive warnings(警告) on devices like smartphones and smartwatches. They can act quickly to s _8_ accidents in this way.
Now, this technology is used in some places around the world. The creator's goal is making every beach a safe place where families can enjoy their time without w _9_ about dangers of drowning. This technology shows how science and caring for others can make a big d _10_ in keeping us safe while we are having fun. It's a great example of what can be done when we use new ideas to solve real-world problems.
1. 2. 3. 4. 5.
6. 7. 8. 9. 10.

1. activities 2. management 3. lives 4. created 5. carefully 6. tell 7. needs 8. stop 9. worrying 10. difference

【分析】
这是一篇短文首字母填空题，解题时首先要通读全文，明确文章核心介绍的是一款用于海滩防溺水的AI水域管理系统的相关内容，理清整体行文逻辑。接下来逐空结合前后文语义、给出的首字母提示，同时对照语法规则判断所需单词的词性，再结合固定搭配确定正确形式，最后将所有单词代入全文通读，验证语句通顺、逻辑合理即可。
【解析】
1. 后文列举了游泳、冲浪、堆沙堡等多项海滩游玩项目，对应首字母a，可知此处表示“活动”，多个活动需用名词复数形式，故填activities。
2. 括号给出中文提示“管理系统”，首字母为m，固定表达management system意为管理系统，故填management。
3. 该AI系统的作用是辅助避免溺水事故，拯救生命，固定搭配save lives表示拯救生命，用名词复数表泛指，首字母l符合要求，故填lives。
4. 句意：这款程序是在它的发明者看到有人在海中溺水后被创造出来的，本句为被动语态“be+过去分词”，首字母c，故填created。
5. 此处修饰动作“读取水域状况”，需要用副词，首字母c，表达“仔细地”含义，故填carefully。
6. 情态动词can后接动词原形，此处表达AI可以辨别判断波浪是否危险，动词tell有“辨别、判断”的含义，首字母t符合要求，故填tell。
7. 从句主语为someone（不定代词），时态为一般现在时，谓语动词用第三人称单数形式，此处表达有人需要帮助，首字母n，故填needs。
8. 不定式符号to后接动词原形，此处表示安全员快速行动来阻止事故发生，首字母s，故填stop。
9. 固定搭配worry about意为“担心”，介词without后接动名词形式，首字母w，故填worrying。
10. 固定搭配make a big difference意为“产生重大影响”，符合句意，首字母d，故填difference。
【答案】
1. activities 2. management 3. lives 4. created 5. carefully 6. tell 7. needs 8. stop 9. worrying 10. difference
【知识点】
短文首字母填空、英语固定搭配、词性变换
【点评】
本题属于生活化主题的首字母填空，整体语境易懂，大部分空格都有明确的语义提示，既考查学生对全文逻辑的梳理能力，也覆盖了被动语态、非谓语变形、名词单复数等基础语法考点，易错点集中在动词形式、名词复数的变形上，能有效检验学生的词汇应用能力。
【难度系数】
0.6