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The doctor preferred to resign rather than be accused publicly of infamous conduct.（）

In the nineteenth century, poor Europeans seeking to make their fortunes turned to America as a matter of course .（）

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The space shuttle program entails the use of sophisticated technology.（）

The book, which is a useful guide for today''s young people, deals with many questions and problems that face them at school and at home as well as in society.（）

Public relations practice is the deliberate , planned and sustained effort to establish and maintain mutual understanding between an organization and its public.（）

He felt cheap about rushing to get in line before the old lady carrying heavy parcels.（）

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As a general rule . September is the worst month of the year for hurricanes in the Gulf.（）

Susan Jones was at the bus stop well on time to take the 7:01 bus, but she had to miss her breakfast to do it.（）

The ultimate cause of the Civil War was the bombardment of Fort Sumter.（）

At the World Literacy Center, an organization that works to help people read, the helpers work hard, enabling them to successfully reach their goals.（）

Most of us think of sharks as dangerous, owing to lack of information rather than fear.（）

My parents moved out of their old home sometime last year after they had celebrated their 50th year there.（）