Break time﹕Metal
【明報專訊】Across
1. Rare-earth metals (稀土金屬) are a group of elements that is now widely used in making _ _ _ _ _ _ _ (數碼) gadgets such as smartphones and computers.
3. It is believed that around 80% of earth's _ _ _ _ (金) is still buried underground.
5. Metals are limited and thus it should be recycled. In Hong Kong, you can put aluminum cans(鋁罐) in _ _ _ _ _ _ recycling bins.
Down
2. _ _ _ _ _ _ (合金) are materials made by mixing metals with other substances, or mixing two or more metals to give the material a more desirable characteristics such as heat resistance or strength.
4. _ _ _ _ _ _ (銅) is one of the oldest metals used by humans. It is strong enough for making weapons and tools.
(Answers on next text)
■Glossary
element (n) 化學元素
bury (v) 埋藏
desirable (adj) 令人滿意的
resistance (n) 抵抗力
[Smarties' Power English 第204期]