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Jupiter Communications, a market research firm, reports that 72% of teenagers in the U

nited States will be online by 2003 (Stanton, 2000). This alone indicates that students will learn and communicate electronically more than any previous generation. At the same time, teenagers are not the only digital learners. With the growing number of online courses, the increasing accessibility of computers, and the increasing number of computer users, students of all ages are taking advantage of distance learning or are using computers to enhance the traditional classroom experience.

Two things emerge in the study of students’attitudes toward online learning: individual situations impact students’ perceptions of computer-based learning, and students’ varied individual characteristics make it difficult to define their perceptions conclusively. For example, some students have their own computers, while others rely on computer labs. Such variation in computer access can result in attitudinal differences. In addition, the purpose of computer use varies. Distance education courses, for example, use computers in different ways than traditional classrooms, which can also affect students’ perceptions. A wide variety of achievement levels and attitudes exist among both online and traditional learners. Although an illusory “typical learner” exists, a variety of factors, including students’ gender, age, and motivation, could explain different reactions among the student population.

1).According to the passage, what does "digital learners" mean？（）

A、Learners of mathematics

B、Learners of information technology

C、Computer users

D、Online learners

2).What will make online learning more and more popular？（）

A、The crowded classrooms

B、The lower cost of computers

C、The increase of computer users

D、The previous generations interest in digital communication

3).Which of the following is the main factor that makes it difficult to define students'' perceptions of online learning definitely？（）

A、Learners'' varied locations

B、Learners'' varied characteristics

C、Learners'' varied communication skills

D、Learners'' varied experiences

4).What is the author''s attitude towards online learning？（）

A、cautious

B、indifferent

C、positive

D、negative

5).Who may become online learners？（）

A、Mainly teenagers

B、Mostly college students

C、Only working people with their own computers

D、People of all ages and backgrounds

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发布时间：2022-07-23
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第1题

Text 2To understand how astrology works, we should first take a quick look at the sky. Alt

Text 2 To understand how astrology works, we should first take a quick look at the sky. Although the stars are at enormous distances, they do indeed give the impression of being affixed to the inner surface of a great hollow sphere surrounding the earth. Ancient people, in fact, literally believed in the existence of such a celestial sphere. As the earth spins on its axis, the celestial sphere appears to turn about us each day, pivoting at points on a line with the earth's axis of rotation. This daily turning of the sphere carries the stars around the sky, causing most of them to rise and set, but they, and constellations they define, maintains fixed patterns on the sphere, just as the continent of Australian maintains its shape on a spinning globe of the earth. Thus the stars were called fixed stars.

The motion of the sun along the ecliptic is, of course, merely a reflection of the revolution of the earth around the sun, but the ancients believed the earth was fixed and the sun had an independent motion of its own, eastward among the stars. The glare of sunlight hides the stars in daytime, but the ancients were aware that the stars were up there even at night, and the slow eastward motion of the sun around the sky, at the rate of about thirty degrees each month, caused different stars to be visible at night at different times of the year.

The moon, revolving around the earth each month, also has an independent motion in the sky. The moon, however, changes its position relatively rapidly. Although it appears to rise and set each day, as does nearly everything else in the sky, we can see the moon changing position during as short an interval as an hour or so. The moon's path around the earth lies nearly in the same plane as the earth's path around the sun, so the moon is never seen very far from the ecliptic in the sky. There are five other objects visible to the naked eye that also appear to move in respect to the fixed background of stars on the celestial sphere. These are the planets Mercury, Venus, Mars, Jupiter, and the Saturn. All of them revolve around the sun in nearly the same plane as the earth does, so they, like the moon, always appear near the ecliptic. Because we see the planets from the moving earth, however, they behave in a complicated way, with their apparent motions on the celestial sphere reflection both their own independent motions around the sun and our motion as well.

第26题：The ancient people believed that ________.

[A] the earth was spinning on the axis of the sky

[B] the sky was a hollow sphere spinning around the earth

[C] the patterns of stars on the sky would never change

[D] the stars around the sky were not stationary

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