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ls with Oxygen 2. According to Passage A, we know that is often used in cars, and is often used in electrical equipment. A. steel, copper B. iron, zinc C. steel, iron D. iron, copper 3. Which metal doesn’t react with water? A. Sodium B. Iron C. Copper D. Potassium 4. Which metal reacts with steam? A. Calcium B. Zinc C. Copper D. Sodium 5. If you put a shovel (鐵锨 )in a damp place, it will there. A. rust B. form an oxide C. not rust D. keep the place dry 6. Iron rusts in . A. dry air B. airfree water C. ordinary air D. ordinary water 7. According to Passage B, we know that the “a irfree water” probably means . A. air with a lot of water B. air without water C. water with plenty of air D. water without air 課后反思: __________________________________________________________________________________________________________________________________________ 課后訓(xùn)練 閱讀理解 If you exhibit positive characteristics such as honesty and helpfulness, the chances are that you will be thought as a good173。looking person, for a new study has found that the perception(認(rèn)知 )of physical attractiveness is influenced by a person’s personality. The study, which was led by Ga