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Read the following passage and mark the letter A,B,C or D on your answer sheet to indicate the best answer

Textbooks to go the way of the dinosaurs?

Although students and teachers alike have discovered various innovations and applications for computers over the past couple of decades, the advent of the tablet-style personal computer has very recently begun to revolutionize the market in a way that no other has done. Recent advances in lightweight, portable design, memory capacity, we could only dream of just a few short years ago, and ever-increasing networks of broadband Internet connectivity are combining to create a useful and convenient multi-purpose tool for students. Tablet sales have doubled in the past year- an explosion in popularity that even very optimistic projections for the product failed to predict.

While I don’t think anyone expects tablets to completely replace desktop or laptop computers (although a recent Nielsen survey did find that over 75% of respondents were now using their tablet for tasks that they once performed on their desktop or laptop computer), their versatility is truly astounding. One huge advantage of the tablet is that it doesn’t just replace an entire backpack full of textbooks, but also provides multimedia enhanced continuously-updated content that textbook authors could never even imagine. Whereas paper textbooks may direct student’s attention to further information and examples on the Internet, digital textbooks can provide videos and music to support any area of study at just the tap of a finger. For many students who do not learn effectively by simple reading text, this multimedia support provides a more integrated learning experience, which has been shown to improve retention and lead to positive learning outcomes.

Students may also use a tablet, as opposed to a laptop, for taking notes during lectures. Tablets provide the benefits of portability, instant startup and longer battery life so students don’t have to carry a power cord around and position themselves near an outlet. Students can also pull out their tablets and work on a project at anytime, anywhere on campus. And with cloud- based memory systems, students don’t have to bother with back-ups or flash drives if they want to continue work on their desktop computer or collaborate on a group project.

A further benefit of tablets, though one that is often cited as a shortcoming among users, is the limited ability to multitask. Now, it is true that developers have introduced thousands of applications to run on tablets, but tablets still simply cannot run many programs simultaneously. This may appear, on the surface, to pose a problem for the student user. However, in reality, students can perform any number of tasks on tablets…just not all of them at the same time. This may actually be good for a generation which is easily distracted by social media, online games, and other miscellaneous content on the Web.

Given the many benefits, it’s no wonder that tablets are beginning to make their way into classrooms. In fact, it would seem that the biggest factor working against this has simply been their limited availability. Given the long times of consumers who waited to get their hands on the first generation of tablets and the lag for other companies to get their tablets to market, many people are just now able to buy a tablet. Additionally, we should expect that as competition increases among developers, tablets should see the same steep price drops that we always witness among electronics. Thus, tablets should quickly become a very viable and economical alternative for savvy students.

 

What did the Nielsen survey indicate?

A. most tablets owners have gotten rid of their other computers

B. Many users say they prefer tablets over laptops

C. almost all tablets are purchased by people who already own a computer

D. A majority of people often use their tablet in place of a traditional computer

Read the following passage and then choose the best answer A, B, C or D.

Comets are bodies that move around in space. They are something likes stars or small planets that move around the sun. Comets are surrounded by gases and the sun makes those gases look very bright. Dust can get caught in the gas around the comet and make the comet look like it has a tails.

Halley's Comet is the most famous comet, but we can't see it very often. In fact, it can only be seen from the Earth when it moves close the sun. This means that this beautiful comet only comes into our sky every 77 years or so. The last time Halley's Comet was invisible from the Earth was in 1991. Did you see it?

Halley's Comet was named after the English astronomer Edmond Halley. An astronomer studies the star and planets in the solar system. Edmond Halley was born in London, England, in 1656. He studies astronomy at Oxford University. In 1676, he left the university to study the astronomy of the Southern Hemisphere. He wrote a brook about the arrangement of the stars in the sky and the movement of the planets. He made the first accurate map of the stars we see in the sky. He also observed the moon and studied how the Moon affects the ocean tides. He helped find a way to measure distances in space. This measurement was used by other scientists to learn about the size of our solar system and the distances of many star and planets from the Earth.

Halley especially liked to study comets. He read about comets and observed them in the sky. He learned about the way they moved around the Sun — each comet follows a different path around the Sun and travels at its own speed. The path and speed of a body as it moves in space is called its orbit. Halley calculated the orbits of comets that he read about or saw himself. He found the orbits for twenty-four comets.

Halley also noticed that the paths of a comet seen in 1531 and of a comet seen in 1607 were identical to the path of a comet he had observed in 1682. He concluded that these three comets were, in fact, the same comet. Halley predicted that the comet would come again in 1758, and it did! This comet was named “Halley’s Comet” and can be seen from Earth. The first reports of this comet in history were made in 240 B.C. by Chinese astronomers, so we know that it has been orbiting the Sun to more than 2,000 years. Halley’s Comet is not the only comet in our sky, but it is the only one that appears regularly and can be predicted. It is also one of the brightest comets, and people can see it without a telescope.

Like comets, the Earth also travels around the Sun. Sometimes the orbit of t Earth passes through the path of Hailey’s Comet. Like comets, the Earth also travels around the Sun. Sometimes the orbit of the Earth passes through the path of Hailey’s Comet. When this When this happens, dust left behind from the comet falls to Earth. The dust burns and makes brilliant lights like falling stars in the sky. You can see this happen every year in May and October. Astronomers predict that Hailey’s Comet will enter our sky again in 2061. Who do you think will see it?

In 240 B.C._____

A. there were no comets in the sky

B. Chinese astronomers first observed Halley’s comet

C. Halley was born in London, England

D. Halley’s Comet did not appear in the sky