B．y almost any measure , there is a boom in Internet-based instruction . In just a few years , 34 percent of American universities have begun offering some form of distance learning (DL), and among the larger schools , it’s closer to 90 percent . If you doubt the popularity of the trend, you probably haven’t. It enrolls 90,000 student, a statistic used to support its claim to be the largest private university in the country.

While the kinds of instruction offered in these programs will differ, DL usually signifies a course in which the instructions post syllabi(课程大纲), reading assignments , and schedules on Websites , and students send in their assignments by e-mail . Generally speaking, face-to-face communication with an instructor is minimized or eliminated altogether.

 According to the passage, universities show great enthusiasm for DL programs for the purpose of_____

A．) building up their reputation        C) upgrading their teaching facilities

B．) cutting down on their expenses     D) providing convenience for students

[单选题]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

[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]Which of the following influences the writer′s judgment of the universities

[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]A．ccording to the passage, Katy __________________.A． likes travelling very much B. doesn’t want to live with a familyC． only teaches writing in English D. will go back to school after she leaves Nepal

[单选题]A．ccording to the passage, the suburbs ______.A． were deserted at nightB． became larger and largerC． had a high construction costD． had some declined business center

[单选题]A．ccording to the passage, the ancestors of the Potter family most probably _______.A． owned or drove a cartB． made things with metalsC． made kitchen tools or containsD． built houses and furniture

[单选题]A．ccording to the passage, the group with the highest AIDS rate is_________ .A． the white AmericansB． African-American menC． the American womenD． the black American women

[单选题]A．ccording to this passage, which of the following is true?A． The Negroes came to North America in order to work for the earliest immigrants.B． The Negroes also belonged to the earliest immigrants to the North America.C． The Negroes were brought to A

[单选题]A．ccording to this passage, if the cylinder non-return valve were not leakyA．an explosion would not be causedB．there still would be a danger of explosionC．oil would not deposit in the air pipeD．pipe lines would not have to be drained