Bộ 20 đề ôn thi vào Chuyên Anh năm 2023 có đáp án (Đề 8)

For instance, a person who has too little vitamin B1 will suffer from beri-beri,

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For instance, a person who has too little vitamin B1 will suffer from beri-beri, a disease that causes heart problems and mental (7)………… 

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Giải thích

disorders