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l alignment and social structure of the world. The United Nations was established tointernational cooperation and prevent future conflicts. The Soviet Union and the United States emerged as rival superpowers, setting thefor the socalled Cold War, which lasted for the next 46 years. Meanwhile, the influence of the European great powers started to(10) stabilize(使穩(wěn)定)postwar relations.Unit 7 The American economy is built on credit. In the last decade, however, cheap credit made it too easy for people to buy houses based on pure speculation that real estate value would endlessly continue to increase. But the housingset off a chain reaction in our economy. Individuals and investors could no longer resell their homes for a quick profit,no longer became affordable for many homeowners, and thousands of mortgages defaulted, leaving investors and financial institutions to face the terrible consequences.t it? Yes, it is true that credit got us into this mess, but it is also true that our economy is(4)crashing(5) spread(傳播)through our economy and into the world markets in a matter of hours, potentially causing a worldwide recession. Credit in and of itself is not a bad thing. Creditgrowth and jobs. Poor use of credit, however, can be(8) verge(范圍)of seeing now. So long as the rescue plan es with changes to lending regulations and moreof the industry, there is potential tothe market, which is what everyone wants. Whether or not it works is to be seen, but as it has already been voted on and passed, we should all hope it does.Unit 8Laughter is a(n)response to being touched by a tickle (搔癢) — a reaction that a child would naturally be provoked into. This puts the tickler inof(控制)how much or how long the child laughs. We adults don39。s minds, but we often have are aware of what39。(4) attached(5) handy shortcut(捷徑) to laughter. We wish that our children are happy and love us, and tickling bees our shortcut to get assured. Rather than forcing laughter in this way, we canupon(樹立) them inner confidence if we will get down on the floor and invite them to be in playful physical(7) contacts Jared? I know he39。t get this horsy rider off my back! let children laugh and laugh as we try to catch them, or try to find them, or try tothem(晃動) off our backs, and fail over and over.(9) tumble(10) intellect(智力)to figure out a hundred ways to outsmart us.5