IN ITS PURE STATE ALUMINUM IS A WEAK METAL, BUT WHEN CO...

Tiếng Anh TIẾNG ANH 30 CÂU TÌM LỖI SAI ĐÁP ÁN CHI TIẾT MS SAM

1. In its pure state aluminum is a weak metal, but when combined with elements such as copper or magnesium, it is formed alloys of great strength