A．ccording to the passage, the author’s attitude towards the productivity revolutionin the U.S.A is ____. [A] biased

[B] optimistic

[C] ambiguous

[D] negative

[试题]B．yalmostanymeasure,thereisaboominInternet-basedinstruction.Injustafewyears,34percentofAmericanuniversitieshavebegunofferingsomeformofdistancelearning(DL),andamongthelargerschools,it’scloserto90percent.Ifyoudoubtthepopularityofthetrend,youprobablyhave

[单选题]A．ccording to the passage，a preliminary step in the creation of the Canadian Wheat Board was the appointment of______.A． the Winnipeg Grain ExchangeB． a board of supervisorsC． several producer groupsD． a new government

[单选题]A．ccording to the author ,a politician's morality[A] is no match for his political ambition.[B] has been undervalued by Machiavelli and his likes.[C] is usually of secondary importance.[D] should be taken as a yardstick of his capability

[单选题]In this passage, the author's tone and attitude towards the design and accomplishment of the Sydney Opera House is ______.A．highly criticalB．cold and objectiveC．sympathetic yet reservedD．positive and appreciative

[单选题]What is the author′s primary purpose in writing the passage?A.Revealing the

[单选题]A．ccording to the author，man's role in the American family is______.A． less important than woman'sB． equal to woman'sC． irrelevant to the healthy development of the childD． hard to maintain

[单选题]A．ccording to the author, the department stores of the 19th centuryA．played a role in the spread of popular culture. B.became intimate shops for common consumers. C.satisfied the needs of a knowledgeable elite. D.owed its emergence to the culture of

[单选题]A．ccording to the author, the department stores of the 19th century ________.[A] played a role in the spread of popular culture[B] became intimate shops for common consumers[C] satisfied the needs of a knowledgeable elite[D] owed its emergence to the

[单选题]A．ccording to this passage,A．brokers usually perform. the same kinds of services to their customers.B．brokers have little contact with each other.C．open competition tends to result in a common price for similar transactions at any given moment.D．chan

[单选题]The author presents this passage by .A． telling an interesting story B. describing an activity in a lively wayC． testing an idea by reasoning D. introducing a practical method