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 become socially isolated and speak less,” says Mr. Rubin. “The elderly need to communicate 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.