Which of the following statements about news agencies is true？

A．Database and database system are not the same concepts． The scope of database system is much larger than that of database system．

B．External connection is divided into left connection, right connection and self-connection．

C．The horizontal part of a database table is called a row, the vertical part is called a column, the content of each row is called a record,and the column name of each column is called a fiel

D．Before operating a data table,you should specify in which database the operation is performed using the "USE database name", otherwise the "No database selected" error will be thrown．

A、Software can have multiple copies. Software can have multiple copies. - 正确

B、Software is a kind of concrete physical entity.

C、The faults in a software system come from wearing out.

D、Software is something mysterious mastered by some geniuses.

Which of the following statements about older adults is TRUE?（ ）

[A] They have to find an identity again.

[B] They.will retire in several months.

[C] Their bodies become immortal.

[D] Their children have left home.

Which of the following statements about British newspapers is true?

A.Quality papers are normally broadsheet in format whereas popular papers are largely tabloid.

B.A broadsheet is half size of a tabloid.

C.Britain's "BIg Three" includes The Times, The Guardian and The Independant.

D.The quality newspapers don’t carry financial reports, travel news or book and film reviews.

Which of the following statements about "unskilled" jobs is NOT true?

A．The "unskilled" jobs are usually carried out by the working-class.

B．The educated elites usually show contempt for the "unskilled" jobs.

C．The educated elites perform. badly in doing these "unskilled" jobs.

D．Robots can outperform. humans when doing these "unskilled" jobs.

A、Marriages should become the center of one’s life.

B、Marriages can only solve the problem of loneliness.

C、Marriages can seldom solve people’s personal problems.

D、Marriages are not as important as success to the young.

Which of the following statements about the water on Venus is true?

A．The water evaporated because of the high temperatures.

B．The water became frozen in the polar regions.

C．Only a little water is left in small lakes on the surface.

D．Rain does not fall because there is no atmosphere.

Which of the following statements about Jazz Age is false?

A.Jazz Age refers to the period after the end of World War II, continuing through the Roaring Twenties and ending with the rise of the Great Depression.

B.Jazz Age was an age of dramatic social and political changes.

C.The young set themselves free especially, the young women, during Jazz Age.

D.During Jazz Age, industrialization, urbanization, and modernization have brought unprecedented prosperity to the American society.

A、Job fair is an event where recruiters and employers gather for providing information about available positions and their companies.

B、College students should pay more attention to campus job fair and on-campus recruitment talks.

C、You only have to offer resumes to recruiters on a job fair and you don’t have to prepare for a job interview.

D、Recruitment talk usually begins with a presentation, followed by a Q&A or networking sessions.

Which of the following statements is TRUE?

A．Every year, Chicago spends about ＄ 4,000 on cooling the city.

B．The design of the garden on the City Hall specially takes into consideration the weight the roof can stand.

C．The Mayor urged the environmental department to look into rooftop gardens in Hamburg and build similar ones in America.

D．Heat islands mainly refer to those dark-colored rooftops which receive and retain heat and will not easily release the heat.