Câu 1 đoạn 1: "Although they are an inexpensive supplier of vitamins, minerals, and high-quality protein, eggs also contain a high level of blood cholesterol, one of the major causes of heart diseases."
What is the main purpose of the passage?
Xuất bản: 21/08/2020 - Cập nhật: 21/08/2020 - Tác giả: Chu Huyền