We can infer from the passage that one benefit of fluoride to healthy teeth is _______.
Giải bởi Vietjack
Đáp án A
Chúng ta có thể suy luận từ đoạn văn rằng một lợi ích của fluoride đối với sức khỏe răng miệng là gì?
A. Nó tăng cường men răng
B. Nó kích thích sản xuất nước bọt.
C. Làm cho răng trắng hơn
D. Nó là một chất thay thế cho việc đánh răng và dùng chỉ nha khoa chăm sóc răng.
Dẫn chứng: If fluoride is present in drinking water when teeth are forming, some fluoride is incorporated into the enamel of the teeth, making them more resistant to attack by acid. Fluoride toothpaste seems to act in another way, by promoting the remineralization of early carious lesions.
The only time I’ve ever eaten sushi was when I was on a trip to Japan.
Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
Surely John won't forget his wedding anniversary again.
James may get into hot water when driving at full speed after drinking.
Population explosion seems to surpass the ability of the earth to __________ the demand for food.
Mr Lam is a cycle driver in Ho Chi Minh City, who usually has a ______ working day.
I was left out in the __________ in the annual promotions in the company.
The boy swum the narrow canal in ten minutes to find himself in the base, out of danger.
The company hopes that their new product launch _______ by many potential customers.
Despite the initial __________ result, they decided to go on with the proposed scheme.
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
The website __________ by the web developer is user-friendly and easy to navigate.
The manager is directly responsible ___________ the efficient running of the office
