(Q).
MOOCs, an acronym for "massive open online courses," mark an important, possibly revolutionary, development in education. These courses are online, free of charge, and open to anyone in the world who has a laptop and an Internet connection. Moreover, they are mainly offered by elite universities like Standford, Berkeley, Harvard and Columbia. The courses, like normal college courses, are sequenced by difficulty, enabling students to progress from beginners to the advanced. The courses cover not only a broad range of technical subjects such as math and computer science, but also courses in the social sciences and the humanities  . Though MOOCs are not offered for credit and degree, many students enroll in the courses for real skills or knowledge which they can put to some practical use. Some students even form online study groups, or in-person groups with students who live nearby. The format seems superior to the traditional school class. The average quality of the lecturer is much higher, because students do not have to stick with a mediocre  lecturer. Besides, students can scroll back or forward--in short, they can go at their own learning speed, which they cannot do in a live lecture. And, of great importance, they do not have to travel anywhere to attend an online lecture. One can obtain a first-class American college education wherever he or she lives and however little money he or she has. There is a problem of asking questions of the lecturer in a class of ten thousand students, but some MOOCs have solved it by allowing students to post questions online for a vote, and only the most popular questions are put to the lecturer. In a knowledge era, lifelong learning is not confined to a traditional classroom. Of course, students enrolling in MOOCs cannot be compared with those who are in traditional universities, but we need to rethink what a "students" is. Students in MOOCs are very clever, have work experience, and in many cases, have already developed a set of core competences. Moreover, they also offer... Which of the following statements is NOT true about MOOCs? A) The word "MOOCs" is an acronym for "Massive open online campuses." B) Anyone who has a computer and an Internet connection can take MOOCs. C) MOOCs are usually offered by first-class universities in the world.. D) MOOCs may be a breakthrough in the development of education.
(A).
A


(Q).
DID you get a flu shot this year? For the first time, the Centers for Disease Control and Prevention in the prefix = st1 /USis recommending that all children aged from 6 months to 18 years receive the flu vaccine. Vaccines battle diseases caused by bacteria and viruses. A weakened form of the germ   is introduced into the body. The body makes special substances called antibodies to fight the germs. If the actual germs were to attack, the antibodies would fight it.        Because there are many kinds of flu viruses, scientists must create a new vaccine  formula   each year. Researchers must make a prediction. It is like forecasting the weather. Sometimes they are right on, and sometimes they are off. But even when the vaccinedoes not closely match circulating flu types, it can make the illness less serious.  "The flu vaccine is not as effective as the polio   vaccine or the measles vaccine," says Dr William Schaffner of Vanderbilt University School of Medicine. "It's not a great vaccine, but it is quite a good vaccine." But a flu vaccine doesn't work for everyone. There are certain people who should be careful about taking it. Because the vaccine is produced in eggs, those who are allergic   to eggs should not take it. If you have a fever, you should wait until you recover. Some people are afraid that they might get the flu from the flu shot. Scientists say that it is not possible, because the viruses in the flu shot are inactivated. But some minor side effects such as low-grade fever and body ache could occur. If they do, they begin soon after the shot and usually last only one to two days. Did you know? Smallpox was the first disease people tried to prevent by putting a virus into a healthy person. In 1796, English scientist Edward Jenner placed some infected   material under a boy's skin. It is not advisable for everyone to take flu vaccine because_. A) there are many kinds of virus B) the flu vaccine is not as effective as the polio and measles vaccines C) someone may be allergic to it D) it has some minor side-effects
(A).
C


(Q).
From early times, man has been interested in art. People have often worked together to collect and save the world's art treasures. Fine art treasures from many countries are kept in an art museum called the Louvre   in Paris, France. The works of art have been collected by the people of France over many centuries. It is the biggest art museum in the world. The Louvre has not always been a museum. The first building was a fort. In 1190, it was the king's castle with high walls and a round tower, which had a river around it to keep out the enemies. Over the years, the number of buildings around the castle grew. By 1350, the castle no longer needed a fort. The Louvre became a palace home for French kings and queens. During times of peace, new treasures were brought in. During the days of war, many treasures were stolen, and the buildings were damaged. When Francis I became king of France in 1515, he brought in many artists from other countries. One of the artists was Lenardo da Vinci from Italy. Da Vinci's "Mona Lisa" is the best known painting in the museum today. In 1793, the Louvre became a public museum. It is a place where art treasures are kept for everyone to enjoy. Every year millions of people from all over the world come to the Louvre to see the masterpieces. How long has the Louvre been a museum? A) For over 800 years. B) Since 1350 C) Since l515 D) For over 200 years
(A).

D