Câu hỏi:
29/03/2020 3,698Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
It is very important to have healthy teeth. Good teeth help us to chew our food. They also help us to look nice. How does a tooth go bad? The decay begins in a little crack in the enamel covering of the tooth. This happens after germs and bits of food have collected there then the decay slowly spreads inside the tooth. Eventually, poison goes into the blood, and we may feel quite ill. How can we keep our teeth healthy? Firstly, we ought to visit our dentist twice a year. He can fill the small holes in our teeth before they destroy the teeth. He can examine our teeth to check that they are growing in the right way. Unfortunately, many people wait until they have toothache before they see a dentist. Secondly, we should brush our teeth with a toothbrush and fluoride toothpaste at least twice a day-once after breakfast and once before we go to bed. We can also use wooden toothpicks to clean between our teeth after a meal. Thirdly, we should eat food that is good for our teeth and our body: milk, cheese, fish, brown bread, potatoes, red rice, raw vegetables and fresh fruit. Chocolate, sweets, biscuits and cakes are bad, especially when we eat them between meals. They are harmful because they stick to our teeth and cause decay.
A lot of people visit a dentist only when________
Sách mới 2k7: 30 đề đánh giá năng lực DHQG Hà Nội, Tp. Hồ Chí Minh, BKHN 2025 mới nhất (600 trang - chỉ từ 140k).
Quảng cáo
Trả lời:
Đáp án là C
Ý trong bài: Unfortunately, many people wait until they have toothache before they see a dentist.
CÂU HỎI HOT CÙNG CHỦ ĐỀ
Câu 1:
Mark the letter A, B, C, or D on your answer sheet to choose the sentence which is closest in meaning to the given one.
"I'm sorry, I was rude to you yesterday." I said to Tom.
Câu 2:
Mark the letter A, B, C, or D on your answer sheet to show the underlined part that needs correction.
After George had returned to his house, he was reading a book.
Câu 4:
It's essential that every student ________ the exam before attending the course.
Câu 5:
I'm really sleepy today. I wish I ________ Bob to the airport late last night.
Câu 6:
Ancient Egyptians mummified the dead bodies through the use of chemicals, ________ ancient Peruvians did through natural processes.
Câu 7:
Mark the letter A, B, C, or D on your answer sheet to show the underlined part that needs correction.
Mary found it hard to concentrate on her work because the noise.
về câu hỏi!