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1.Has she _______a bag?
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We _____got a new house.
选词填空：The things people make, and the way they make them, determine how cities grow and decline,and influence how empires rise and fall. So, any disruption to the world' s factories (1). Today, factories are being (2), filled with new sensors and new computers to make them quicker, more (3) , and more efficient.Robots and 3D printers have long (4) a world where you can make anything, any-where, from a computerized design. That vision is (5) closer to reality. These forces will lead to cleaner factories, producing better goods at lower prices, personalized to our individual needs and desires. Humans will be (6) many of the dirty, repetitive, and dangerous jobs that have long been a (7) of factory life.Greater efficiency (8) means fewer people can do the same work. Yet factory bosses in many developed countries are worried about a lack of skilled human workers -and see (9) and robots as a solution. But this period of rapid change in manufacturing is a (10) opportunity to make the world a better place.A) spared B) elite C) assumed D) digitised E) perilsF) inevitably G) matters H) feature I) bothering J) aggressivelyK) flexible L) advancing M) promised N) fantastic O) automation
下列哪一种说法对蛋白质结构的描述是错误的？
具有四级结构的蛋白质的特征是
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