UNIT 1 TEENAGE LIFE Period Ⅳ-【高考领航】2021-2022学年新教材高中英语必修第一册同步核心辅导与测评课时作业（人教版）

Ⅰ.阅读理解 A Middle School Laboratory Safety Rules Science is about discovering and exploring(探索) the natural world.Explorations can occur in the classroom，laboratory or field.As part of your science lessons, you will take part in many activities using many different materials，equipment and chemicals，which can be dangerous if not used correctly.As a result，you may be faced with biological，chemical or physical hazards． Safety is THE MOST IMPORTANT thing.The following safety rules have been developed for the protection and safety of everyone. ★Behave yourself in a responsible way at all times.Risky behavior such as throwing things and doing experiments without teachers' instructions is not allowed. ★Eating, drinking，chewing gum，wearing make­up，touching contact lenses(隐形眼镜)or other unsafe activities are not allowed. ★Do not enter or work in the laboratory unless an instructor is present. ★Never enter areas where chemicals are kept. ★Taking any chemicals or equipment away from the classroom or laboratory is not allowed. The safety rules must be followed at all times.Review these rules with your teacher and parents，then sign and get the signature (签名)of a parent.The signature shows that you understand the lab can be dangerous，and that you have read the rules and agree to follow them at all times.Signatures are needed before you can go on with any lab or science classroom activity. 【语篇解读】　这是一篇应用文，文中介绍了中学实验室的安全规则以及注意事项。 1．What does the underlined word “hazards” probably mean in Paragraph 1 ? A．Illnesses.　　　　　 B Examinations. C．Dangers. D．Experiments. 解析：C　词义猜测题。根据文章第一段内容可知，在实验课上，学生会使用到各种材料、仪器以及化学品。由文中的“which can be dangerous if not used correctly”可知，如果它们没有被正确使用就会引起危险，故选C。 2. Which of the following might be allowed in the lab? A．Drinking soda. B．Having breakfast. C．Taking away chemicals. D．Wearing glasses. 解析：D　细节理解题。根据文中提到的“Eating，drinking，chewing gum，wearing make­up，touching contact lenses(隐形眼镜)or other unsafe activities are not allowed”可知，吃、喝和戴隐形眼镜都是不被允许的。戴框架眼镜应该是可以的，故选D。