Thứ sáu, 22/11/2024
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Câu hỏi:

22/07/2024 63

According to the passage, all of the following statements about plaque are true EXCEPT_________.

A. It consists of acid producing bacteria

B. It is not affected by eating sweets

Đáp án chính xác

C. It can be removed from teeth by brushing and flossing

D. It reduces the positive effect of saliva

Trả lời:

verified Giải bởi Vietjack

Đáp án B

Giải thích: Theo đoạn văn này, tất cả các câusau về mảng bám là đúng TRỪ____

    A. Nó bao gồm các vi khuẩn tạo ra axit

    B. Không bị ảnh hưởng bởi ăn đồ ngọt

    C. Nó có thể được loại bỏ khỏi răng bằng cách đánh răng và dùng chỉ nha khoa

    D. Nó làm giảm tác động tích cực của nước bọt.

Dẫn chứng: The rate at which bacteria in the mouth produce acid depends on the amount of plaque on the teeth, the composition of the microbial flora, and whether the bacteria of the plaque have been "primed" by frequent exposure to sugar.

Chọn B

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