A contract is an agreement between two or more people in which one person agrees to do something by a specified date in return for something done by the other. Usually the contract is a written document signed and dated by both parties. It must state clearly the consideration, that is, what is to be given or done by one person in exchange for what is given or done by the other. If one person does what was promised and the other does not, that other may be sued in court and required by court order to make good. He or she may also be required to pay for damages suffered as a result of the failure to perform. The things to be done by both parties must be stated in definite terms or the court will hold that contract is too vague and general to be enforced. Similarly, the time period within which the work is to be done must be definite or the court will say that the document is not a contract.1) A contract is an (46) .2) Usually the contract is a (47) document.3) A contract must (48) what is to be given or done.4) The one, who does not do what was promised, will be required to (49) damages.5) The things to be done by both parties must be stated in (50) . 48()
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In Washington D. C. , 1600 Pennsylvania Avenue is a very special address. It is the address of the White House, the home of the president of the United States.Originally the White House was gray and was called the presidential Palace. It was built from 1792 to 1800. At this time, the city of Washington itself was being built It was to be the nation’s new capital city. George Washington, the first president, and Pierre Charles L’ Enfant, a French engineer, chose the place for the new city. L’ Enfant then planned the city. The president’s home was an important part of the plan.A contest was held to pick a design for the president’s home. An architect named James Hogan won. He designed a large three-story house of gray stone.President Washington never lived in the Presidential Palace. The first president to live there was John Adams, the second president of the United States, and his wife Mrs. Adams did not really like her new house. In her letters, she often complained about the cold. Fifty fireplaces were not enough to keep the house warm!In 1812 the United States and Britain went to war. In 1814 the British invaded Washington. They burned many buildings, including the Presidential Palace.After the war James Hoban, the original architect, partially rebuilt the president’s home. To cover the marks of the fire, the building was painted white. Before long it became known as the White House.The White House is one of the most popular tourist attractions in the United States. Every year more than 1.5 million visitors go through the five rooms that are open to the public. The White House was built in Washington().
A. because a French engineer was invited to design it
B. because President George Washington liked to live in it
C. because the British invaders lived in it in 1812-1814
D. because it was to be the nation’ s capital city
设A,B,C均是n阶方阵,满足A=BC.将A,B以列分块,设为A=[α1,α2,…,αn],B=[β1,β2,…,βn],则有[α1,α2,…,αn]=[β1,β2,…,βn]C,将β1,β2互换,只要保持上述等式成立,应
A. 将α1,α2互换.
B. 将C的1,2行互换.
C. 将C的1,2列互换.
D. 将A的1,2行互换.
体现“透热转气”法的代表方剂是
A. 凉膈散
B. 黄连解毒汤
C. 犀角地黄汤
D. 清营汤
淀粉( )。
A. 撒于水面
B. 浸泡、加热、搅拌
C. 溶于冷水
D. 加热至60~70℃溶胀
E. 水、醇中均溶解