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Recently, the idea of “carb face” has been widely discussed on Chinese social media. Some online stars say eating staple foods like rice and steamed buns will cause facial problems, such as a puffy (肿胀的) face and unclear jaw lines. Many people even believe cutting carbohydrates (碳水化合物) can make them look better. Gradually, staple foods are wrongly connected with poor looks and a lack of self-discipline.

However, experts have corrected this wrong idea. They explain that carbohydrates are basic and necessary for our daily diet. They provide our bodies with energy and key nutrients. No food is bad for looks or health by itself. The real problem is an unbalanced diet and worrying too much about what others think, not carbs.

Avoiding carbs for a long time is harmful to our body and mind. If people stop eating carbs to stay beautiful, they may feel tired and easily become angry or upset. Lack of carbs can cause low energy levels and affect how our brain and organs (器官) work. So strictly controlling carbs is not a safe or healthy way to improve appearance.

A healthy diet does not mean giving up carbs completely. We just need to eat wisely. It is better to eat fewer fine grains and more whole grains, vegetables and fruits. Nowadays, more people have realized the truth. True beauty lies in health and confidence. Keeping good eating habits is the real key to staying healthy and good-looking.

1.1.What do some online stars wrongly think of staple foods?

A They make people look worse.

B They offer people daily energy.

C They help people keep healthy.

D They are not important at all.

解析：选A。A细节理解题。根据文章第一段第二句 “Some online stars say eating staple foods like rice and steamed buns will cause facial problems, such as a puffy face and unclear jaw lines”可知，一些网红认为吃米饭、馒头等主食会引发面部肿胀、下颌线模糊等问题，即让他们颜值下降、看起来更糟，因此A项正确。B项“提供日常能量”是第二段中专家提出的观点，并非网红的看法；C项“帮助保持健康”与网红认为主食损害颜值的态度相反；D项“根本不重要”在文中并未提及，文章强调的是网红将主食与“变丑”错误关联，而非否定其重要性。故选A。

2.2. Experts think carbs are ________.

A harmful

B useful

C cheap

D expensive

解析：选B。B细节理解题。根据第二段的“They explain that carbohydrates are basic and necessary for our daily diet. They provide our bodies with energy and key nutrients.”可知，专家认为碳水化合物是必需且基本的，能为身体提供能量和关键营养，因此它们是有用的，故选B。A项“有害的”与专家观点完全相反；C项“便宜的”和D项“昂贵的”均未在文中出现，无法推断。

3.3. What will happen if people don’t eat carbs for long?

A They will become calm and quiet.

B They will get energetic and active.

C They will feel bad in body and mind.

D They will have better facial appearance.

解析：选C。C细节理解题。第三段首句“Avoiding carbs for a long time is harmful to our body and mind.”明确提出，长期不吃碳水化合物对身心都有害，接着又说明会感到疲倦、易怒或沮丧，影响大脑和器官工作，综合起来就是“身心都会感觉不好”，因此C项正确。A项“变得平静”和B项“变得精力充沛、活跃”都与原文“feel tired”“low energy levels”相悖；D项“面部容貌会变好”正是错误观点，实际上长期不吃碳水化合物并不能安全有效地改善外貌，故排除。故选C。

4.4. What does the writer advise people to do?

A They should cut out carbs totally.

B They should choose and eat carbs properly.

C They should only eat fine grains.

D They should never change their diet habits.

解析：选B。B推理判断题。最后一段作者指出“A healthy diet does not mean giving up carbs completely. We just need to eat wisely. It is better to eat fewer fine grains and more whole grains, vegetables and fruits.”，即不放弃碳水，但要聪明地吃，少吃精粮、多吃全谷物等，这说明作者建议人们合理选择并恰当摄入碳水化合物，所以B项正确。A项“彻底戒掉碳水”与文中的“not giving up carbs completely”相反；C项“只吃精粮”与“eat fewer fine grains”的建议矛盾；D项“永远不改变饮食习惯”文中并未提倡，作者恰恰在引导人们调整饮食结构。故选B。

5.5. What’s the writing purpose of the passage?

A To teach some fast beauty ways.

B To ask people to avoid carbs.

C To show online beauty standards.

D To correct a wrong idea about carbs.

解析：选D。D写作意图题。文章从“carb face”这一社交媒体上的错误观念入手，通过专家解释、长期不吃碳水的危害以及健康饮食建议，最终落脚在“True beauty lies in health and confidence”，全文始终围绕“纠正有关碳水化合物的错误认识”展开，所以D项正确。A项“教授快速变美方法”在文中并未给出，作者反而反对通过戒碳水来变美；B项“让人们避免碳水”与作者“不必完全放弃碳水”的观点相左；C项“展示网络审美标准”只是文章开头引入的背景，并非写作的主要目的。故选D。