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课时训练1 Unit 1 Lifestyles一、单元扣点单词拼写________(广告) in the local paper to sell your car.答案 advertisement________(抱怨) bitterly that he had been unfairly treated.答案 complained________(病)．答案 sickness________(人群) had gathered outside the church.答案 crowd________(遥远的) from any other buildings.答案 remote________ of my new job. 答案 challenge exercise is part of a healthy l________．答案 lifestyle________， I couldn't have afforded the trip. 答案 Otherwise________ between documents on screen. 答案 switch________ by a training company. 答案 organised完成句子那个新职位激励他在业余时间更加努力学习。________ him ________ study still ________ during his spare time. 答案 challenged; to; harder我求学期间由父母供养。________ ________ ________ my parents when I was studying. 答案 was supported by有人能设计出更好的时间表吗？Can anyone ________ ________ ________ timetable? 答案 design a better叫你怎么做就怎么做否则有麻烦。________ you'll be ________ ________．答案 otherwise; in trouble战争爆发时他自愿参加了海军陆战队。________ ________， he ________ ________ the Marine Corps. 答案 broke out; volunteered for二、阅读理解 Passenger pigeons(旅鸽)once flew over much of the United States in unbelievable numbers. Written accounts from the 18th and 19th centuries described flocks(群)so large that they darkened the sky for hours. more than 3 billion passenger pigeons—a number equal to 24 to 40 percent of the total bird population in the United States, making it perhaps the most abundant bird in the world. Even as late as 1870 when their numbers had already become smaller, a flock believed to be 1 mile wide and 320 miles (about 515 kilometers) long was seen near Cincinnati. | 
