1) Avoid___________________a lot of sweets, it is one way to stop tooth decay. a) eating b) eat c) for eating d) to eat 2) When food and germs collect in a small crack, our teeth ___________________________________. a) become hard b) makes us feel sick c) send poison into the blood d) begin to decay 3) A lot of people visit a dentist only when__________________________________________________ a) their teeth grow properly. b) they have holes in their teeth. c) they have got a toothache. d) they have brushed their teeth. 4) We ought to try to clean our teeth _____________________ a) once a day b) at least twice a day c) between meals d) before breakfast 5) We should not eat a lot of ____________________,it's bad for your teeth. a) red rice b) vitamin C c) fresh fruit d) chocolate 6) Which of the following sentences is not true? a) When you have got a toothache, the dentist always pull it out. b) Eating good food is one way to prevent tooth decay. c) Poison goes into the blood and we may fell sick. d) We can use wooden toothpicks to clean between our teeth after a meal. 7) Which sentence is the main idea for this passage? a) We ought to visit our dentist twice a year. b) Eating is the best way to keep our teeth. c) How we can keep our teeth healthy d) A lot of people visit a dentist when they have a toothache. 8) According to the passage, when is the good time to brush our teeth? a) once after meals. b) once before we go out and after every meals. c) once after wake up and once before we go to bed. d) once after breakfast and once before we go to bed. 9) Why is eating sweets between meals harmful to the teeth? a) Because they can harm the teeth right away? b) Because they stick to the teeth and cause decay. c) Because they can cause poison to go into the blood. d) Because they destroy the enamel which is covering the teeth. 10) What can we use to clean between our teeth? a) a stick b) toothpicks c) fluoride toothpaste d) a special toothbrush

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