Which of the following statements about job fair is wrong？

A、Preferred stock is like debt in that there is a contractually specified fixed payment

B、The Preferred dividends must be made before the holders of common stock can be paid anything

C、Failure to pay preferred dividends will trigger a default

D、The holders of preferred stock usually do not get to share the residual value of the firm’s assets with the holders of the common stock

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．

Which of the following statements about Audio-lingual Method is wrong?

A.The method involves giving the learner stimuli in the form. of prompts.

B.The method involves praising the correct response or publishing incorrect response until the right one is given.

C.Mother tongue is accepted in the classroom just as the target language.

D.Emphasis is laid upon using oral language in the classroom; some reading and writing might be done as homework.

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、Racism goes further than a specific kind of prejudice.

B、Racism involves the exercise of power.

C、Racism exists only in some areas.

D、Racism denies the existence of the culture of a particular group.

Which of the following statements about the mid-Atlantic Conveyor Belt is wrong?

A．The current brings warm water from the tropics to north-western Europe.

B．It is responsible for the mild winters in the Arctic.

C．It is caused by the freshening of the ocean: the water in the north Atlantic will lose saltiness because of the different densities.

D．If the ACIA's experts' worry becomes true, climate of the north-western Europe will be influenced.

Which of the following statements about plant classification is WRONG?

A、Chloroplasts in plants and green algae contain chlorophyll a and b and β-carotene.

B、Plants share the evolutionarily derived traits for surviving on land that are absent in algae.

C、Mosses, hornworts, liverworts, and ferns are nonvascular plants.

D、Magnolia and its relatives, monocots, and eudicots are flowering plants (i.e., angiosperms).

A、It is a high energy phosphate compound.

B、It regulates the oxygen transportation function of Hb.

C、It is highly electronegative.

D、It stabilizes the conformation of Hb.

A．“Data”?means?information?about?facts.

B．“Data”?means?information?concerning?numbers?and?statistics.

C．Data?can?be?divided?into?primary?and?secondary?data?according?to?the?sources?from?which?they?are?collecte

D．Secondary?data?refers?to?original?information?directly?collected?by?researchers?themselves.

E．Primary?data?refers?to?the?information?borrowed?from?what?other?researchers?have?collected,?processed?or?stored?for?some?other?purposes.

A、A news agency, also called wire service, or news service, gathers, writes, and distributes news to subscribing news organizations.

B、All the mass media depend upon the agencies for the bulk of the news except those few that have extensive news-gathering resources of their own.

C、In Britain the best-known agencies include the Associated Press (AP) and the United Press International (UPI).

D、In America the largest news agencies include Reuters, The Press Association and AFX News Ltd.