http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Tuyển chọn 500 từ phải có để thi toefl
Nội dung sách gồm: hơn 150 hoạt động để nâng cao sự lưu loát của bạn; các chiến lược về cách kết hợp từ mới vào vốn trừ hàng ngày; ôn tập về từ đồng nghĩa, diễn giải, các gốc từ, tiền tố, hậu tố.