【同步练习】Unit 21 Lesson 3（北师大）.docx

Unit 21 HUMAN BIOLOGYLesson 3 Epidemics Explained同步练习 单词强化1. 彻底消灭2. 终止，消灭3. 正式记录的，正式发表的4. 席卷5. 做实验6. 不停地7. 抛弃在身后8. 多达，胜任，由来定9. 有的倾向10. 年轻力壮的人 完成句子1. The church was destroyed in 1900 and completely r_ last year.2. Smoking is strictly p_ inside the factory for safety.3. The economy gap between u_ areas and rural areas has become wider.4. If you cant sleep, you can take a sleeping p_.5. After a short p_ halfway, they continued climbing. 短语替换1. Epidemics have affected historical events.Epidemics have _ _ _ _ historical events.2. One of the earliest epidemics that was recorded happened about 500-550 AD.One of the earliest epidemics _ _ happened about 500-550 AD.3. Having killed up to 50 million people in 18 months, the Spanish Flu is believed to have been the most acute epidemic in history.Having killed _ _ _ 50 million people in 18 months, _ _ _ _ the Spanish Flu has been the most acute epidemic in history. 句子翻译1. 1976年的唐山大地震夺走了30多万人的生命。(take lives)2. 警方正试图从两起谋杀案件中寻求相似之处。(draw a parallel)3. 你认为人类会消灭癌症吗？ (stop . in its tracks)4. 我们相信在不久的将来贫困会被彻底消除。(. have faith that, wipe out)5. 谁能告诉我未来将会是什么样子？(what the future might hold)答案和解析 单词强化1. wipe out2. stop sth. in its tracks 3. on record 4. sweep through 5. do trials on 6. without pause 7. put behind us 8. up to 9. with a tendency to do 10. the young and fit 完成句子1. rebuilt 2. prohibited 3. urban 4. pill 5. pause 短语替换1. had an effect on 2. on record 3. as many as; it is believed that 句子翻译1. The Tangshan earthquake in 1976 took over 300,000 lives.2. The police are trying to draw a parallel between the two murder cases.3. Do you think human beings will stop cancer in its tracks?4. We have faith that pove