Medical research indicates that large amount of histamine can be responsible for colds, hay fever, and other respiratory reactions.

Câu hỏi :

Medical research indicates that large amount of histamine can be responsible for colds, hay fever, and other respiratory reactions.

A amount 

B can 

C colds 

D respiratory

* Đáp án

A

* Hướng dẫn giải

Phương pháp giải:

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