四川 黃丹丹

在一種新的蛀牙治療方法中，實(shí)驗(yàn)者使用了一種藥物以刺激牙齒再生牙質(zhì)并自然填充蛀牙洞。該方法相對傳統(tǒng)的充填術(shù)更簡單，但牙科專家強(qiáng)調(diào)了預(yù)防蛀牙的重要性。

主題語境：科技與健康 篇幅：286詞 建議用時(shí)：6分鐘

1 Very few people enjoy going to the dentist,especially for a filling.Often fillings need to be replaced during the patient's lifetime.But is filling the cavity (蛀牙洞) with a foreign material really the best treatment?Is it possible that the tooth could repair itself with its own material—dentine (牙 質(zhì))? Researchers at King's College London have found a process that may replace the traditional method.

2 Paul Sharpe of King's College London says the new treatment for cavities is simpler.It uses a drug that causes the tooth to fill in the hole naturally with dentine.“It involves putting a drug in the hole.It excites a natural process, which starts to occur anyway following the damage,so you can actually get the big hole repaired and the repair is the production of the natural material,the dentine.”

3 Usually a new drug requires repeated testing before it is approved for treatment.However, this drug that produces the regrowth material in teeth has already been approved.It is a drug used to treat Alzheimer's disease and other disorders of the nervous system.Researchers explain that they use only a small amount and they use it locally.Usually that means the medicine is put directly on the affected area.It does not travel through the patient's blood.

4 Nigel Carter heads Britain's Oral Health Foundation.He describes the new treatment as an exciting possibility for dental care.But Carter also has a warning,“Actually regrowing teeth that have been lost with cavities would be really a huge step forward.But it's also important that we remember that filling the cavity is not the first place.It's a preventable disease.”

Ⅰ.Difficult sentence in the text

But it's also important that we remember that filling the cavity is not the first place.但是同樣重要的是我們要記住，填充蛀牙并不是首要選擇。

【點(diǎn)石成金】本句是一個(gè)復(fù)合句。第一個(gè)that引導(dǎo)的是一個(gè)主語從句，第二個(gè)that引導(dǎo)的從句作動(dòng)詞remember 的賓語。it's also important that...構(gòu)成的是“It be+欲望類形容詞+that+sb（should）do”的句型，用在該句型中的欲望類形容詞還有strange、necessary、essential、urgent等。

Ⅱ.Text-centered chunks

fill...with...用……填充……

repair oneself 自我修復(fù)

regrowth material 再生材料

get...done 使……遭受/被……

describe...as 把……描述成