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Câu hỏi:

21/07/2024 276

Choose the letter A, B, C or D to complete the passage below

An allergy is an immune system response __________ (6) a foreign substance that’s not typically harmful to your body. These foreign substances are called allergens. They can __________ (7) certain foods, pollen, or pet dander.

Your immune system’s job is to keep you healthy by fighting harmful pathogens. It does this by attacking anything it thinks could put your body in danger. Depending on the allergen, this response may involve inflammation, sneezing, or a host of __________ (8) symptoms.

Your immune __________ (9) normally adjusts to your environment. For __________ (10), when your body encounters something like pet dander, it should realize it’s harmless. In people with dander allergies, the immune system perceives it as an outside invader threatening the body and attacks it. Allergies are common. Several treatments can help you avoid your symptoms.

Question 9:

A. system

Đáp án chính xác

B. disease

C. cancer

Dmuscle

 Xem lời giải

Trả lời:

verified Giải bởi Vietjack

Đáp án A

Giải thích: immune system: hệ miễn dịch

Dịch: Hệ miễn dịch của bạn thông thường sẽ điều chỉnh theo môi trường.

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