题目

1970年，美国总统尼克松在对外政策报告中谈到了争取持久和平的三项原则：建立伙伴关系；继续保持军事实力；同共.产.党国家谈判分歧。依照这些原则，美国     A．实施了“马歇尔计划”援助西欧      B．签订了《朝鲜停战协定》     C．和苏联建立合作伙伴关系            D．同中国改善外交关系根据短文内容，请将单词填写在题号对应的横线上。as, be, dangerous, between, other, stop, just, when, something, differenceSharks have been around for a very long time. It means that they have been on earth for thousands of years, and have changed little. A shark is a fish, but it has many from a fish. For example, if a shark swimming, it will sink(下沉).There are 200 and 250 kinds of sharks in different size. The largest can be long as 15 meters. Sharks feed on fish, sea animals, or smaller sharks. It is said that one of the most sharks is the Great White Shark. They have attacked(攻击) a number of people off the beaches of America. Australia, New Zealand and South Africa also have shark 0attacks. In some places there watchtowers on the beach to warn people about sharks in the water. a shark appears, a bell rings to tell people to get out of the water. Shark attack about 100 people a year in America. Perhaps the shark thinks that the people is a kind of sea animal, or good to eat.