根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
As we get older, most of us worry about grey hair, wrinkles and maintaining a youthful body. 【小题1】 Here, Mr. Rubin, a voice expert, reveals how to keep your voice youthful.
Drink more fluid and avoid spicy food
You need water for the vocal cords(声带) to vibrate well. The body must keep absorbing enough water to make the vocal cords operate well. Drinking 1.5 liters of water a day at intervals of 15 minutes is very important. 【小题2】
Rest the throat and talk regularly
The vocal cords can be scarred if you use your voice during a bad cough. If you have a case of laryngitis(喉炎) with a cold, you should rest your voice for a day or two, and seek medical advice.
Simply staying sociable and using your voice is very important. “As older people have less mobile, they can bee socially isolated and speak less,” says Mr. Rubin. “The elderly need to municate with people more. 【小题3】 ”
【小题4】
Good posture is essential to keeping the voice young, so we’d better stand properly. Exercise helps you take deeper breaths as it means there is better airflow through the voice box, producing a stronger tone.
Sing in the shower
This is one of the best ways to preserve your voice, as it keeps the larynx muscles strong while the steam lubricates the voice box. “ 【小题5】 ” says Mr. Rubin. Joining a choir is one of the best ways to preserve a youthful tone. A．Improve your posture B．By using the vocal cords, they enable the ageing process to slow down.C．But people often don’t realize the voice needs looking after.D．The Voice of Young Science programme encourages early career researchers to play an active role in public debates about science.E. Singing is to the voice what gymnastics are to human beings.
F. Using the vocal cords regularly will definitely age our voice more quickly.
G. Mr. Rubin advises avoiding foods with an annoying effect on the stomach, such as onions, chili, fizzy drinks and chocolate.C
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(答案→)C
解析：本文考察的是在保护声音方面，我们所要做出的各种努力和要注意的各种事项。
【小题1】 C根据下一句Here, Mr. Rubin, a voice expert, reveals how to keep your voice youthful.可知本文讲述的是保证我们的声音要年轻，不仅仅是护理头发，皱纹和身体。故C项符合上下文串联。
【小题2】 G本句讲述的是在饮食方面要注意与声音保护方面有关的话题。故G项中的饮食注意事项符合上下文。
【小题3】B根据前一句“The elderly need to municate with people more.可知老人需要和别人做更多的交流来保护我们的声音不要过快衰老。故B项符合上下文。
【小题4】A根据本段第一句 Good posture is essential to keeping the voice young, so we’d better stand properly可知讲述的是posture的重要性，需要我们做出提高和改善。故A项符合上下文。
【小题5】 E根据本段第一句This is one of the best ways to preserve your voice, as it keeps the larynx muscles strong可知唱歌在保护嗓子方面的重要性。故E项符合上下文串联。