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Unit 21 Human Biology 课时练(一) 一、单元考点落实练(练基础)(限时：40分钟) Ⅰ.单词拼写 1．The police are still seeking (寻找) the men involved in last week's robbery. 2．The flight was postponed (推迟) because of the thick fog. 3．Smoking is prohibited (禁止) in public buildings or in the crowded buses. 4．All the parents want to equip (装备) their children with some special skills. Thus, they can live better in the future. 5．Those who know how to tolerate (容忍) others can naturally lead a happy life. 6．Make sure that all applications must be submitted (提交) by Monday. 7．I offered to give them a lift but they declined (谢绝)． 8．As far as I know, the manager is strongly opposed (反对) to the plan. 9．Fresh air is fundamental (基础的) to good health. 10．The officer was accused of abusing (滥用) his power while in office. Ⅱ.单句语法填空 1．I am very much opposed to permitting (permit) him to go alone. 2．I have never sought to_hide (hide) my views. I hope you will not misunderstand me. 3．Please don't spit or throw rubbish everywhere at random. 4．Robbed (rob) of her gold necklace, which is meaningful to her, she became unhappy. | 
