Fill in the blanks. Then read the passage aloud and try to write a passage to Peter who has got a bad toothache these days by using some phrases in the following passage.
Cleaning your teeth often, every day, is linked to a lower risk for heart problems.
A new study found that brushing your teeth several times a day resulted in ______（few）cases of heart failure and atrial fibrillation （心室颤动）— the term for an uneven heartbeat.
Heart failure happens ______the heart cannot do its job of pumping blood through the body.
What the research found is that _______（brush）your teeth three times a day, or more, was linked to a ten percent lower risk of atrial fibrillation. It was also linked to a twelve percent lower risk of heart failure.
The study ______（publish）last Monday in the European Journal of Preventive Cardiology. The researchers examined information on more than 161,000 people in Korea ______no history of heart problems. They followed up ten and a half years later, and found that three percent had developed uneven heart rhythms and almost five percent had developed heart failure. All the participants in the study were part of the ______（Korea）National Insurance System,and aged 40 to 79. They had usual medical exams between 2003 and 2004. Information was collected on their height, ______（weigh），laboratory tests, sicknesses, and lifestyle. They also noted their mouth health in connection with cleaning.
It is believed that people who brushed less than twice a day for less than two minutes were three times more at risk of heart attacks ，______（compare）to those who brush at least twice a day for two minutes. Because gums （牙龈 ）are the soft tissue structure that hold the teeth. They need to be cleaned as well.
_____（have ）good oral health, people are advised to brush their teeth twice a day for two minutes, each time with a fluoride toothpaste. Meanwhile，Maintain a healthy diet， and see a dentist _______（regular）.
