Unit 5 First Aid Period 4 Discover Useful Structures课件-2023-2024学年高中英语人教版（2019）选择性必修第二册

Unit 5 First Aid Discover useful structures At the end of this lesson, I will be able to: review the function of –ing form as subject, object, predicative, attribute, object complement, and adverbial. understand the tense and voice of the –ing form and its meaning. practise using –ing in contexts. Build up your vocabulary organ acid millimetre radiation/rays fabric victim Build up your vocabulary context (语境) relation content Build up your vocabulary slight: small in size, degree, or amount; not serious a slight breeze; It has only made a slight difference. minor: less, or little, in importance, size etc. She has to go into hospital for a minor operation. tiny: extremely small Though she was tiny, she had a very loud voice. Build up your vocabulary reduce: to make less, smaller etc. The shop reduced its prices; The train reduced speed. relax: to make or become less tight or less worried etc. Relax your shoulders. ease: to free from pain, trouble or anxiety减轻；缓解（痛苦等） A hot bath eased his tired limbs. Build up your vocabulary victim: a person or thing that suffers harm, death, etc. Food is being sent to the victims of the disaster. patient: a person who is being treated by a doctor, dentist etc. The hospital had too many patients. sufferer: a person suffering from an illness Build up your vocabulary accident: an unexpected event, especially one resulting in damage or harm car accidents on icy roads. incident: an event or happening There was a strange incident in the supermarket today. occasion: a particular time or a special event I've heard him speak on several occasions. The wedding was a great occasion. Build up your vocabulary urgency: importance needing immediate attention 紧迫性 She stressed the urgency of an early solution. emergency: an unexpected, especially dangerous happening or situation 紧急情况；突发事件 Call the doctor – it's an emergency. seriousness: importance, significance or danger 严重性 the seriousness of the crisis Build up your vocabulary