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Today is Mother¡¯s Day. I love mother so much that I¡¯ve done many things for him. In the morning I buy some flowers with my pocket money and put them in a vase. In the afternoon, I went to buy some vegetable and cooked simple but delicious dinner for my family. After the meal, I gave mother a card what I made myself and said ¡°Happy Mother¡¯s Day¡± to her. Then I told her to pay more attention on her health and not overwork. I also promised to help her to do some housework from today on. Heard the words, mother was moved to tears.

Today is a specially day, warm but meaningful.

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¡¾1¡¿ÕâÀïÓ¦¸ÃÊÇÖ¸´úmother.

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¡¾ÌâÄ¿¡¿A spaceship is flying to the sun in summer 2018! It will be the first-ever to a star and will be one of the biggest achievements space exploration (̽ÏÕ) in human history. The purpose is to study the sun¡¯s outer atmosphere and better understand how stars work.

The spaceship, with no man inside, will fly within 4 million miles of the sun¡¯s surface - right into the solar atmosphere, where the temperature is over 4,500¡ãC. To protect the spaceship, it is covered with a 12cm-thick coating.

The spaceship is called Parker Solar Probe and it is named after Eugene Parker, a professor from the University of Chicago. It¡¯s the first NASA spaceship to be named after a researcher who is still alive. In 1958, Eugene Parker first created the term ¡°solar wind¡±-the sun sending out a flow of particles (¿ÅÁ£) and energy.

¡°The spaceship is going where it has never been before. It¡¯s very exciting that we¡¯ll finally get to know more about the solar wind. I¡¯m sure there will be some surprises. There always are,¡± said Professor Parker.

Parker calls it a heroic scientific space adventure, and he means that the spaceship will have to experience high temperatures and sun radiation (·øÉä). ¡°The spaceship is going to do the hottest and fastest work. I love to call it the coolest hottest work under the sun,¡± said Scientist Fox Nasa.

¡¾1¡¿Why is a spaceship flying to the sun?

A. To make a human history record.

B. To take the first-ever trip to the star.

C. To measure the temperature of the sun.

D. To study its outer atmosphere and how it works.

¡¾2¡¿What do we learn about the spaceship?

A. It will be operated by a pilot inside.

B. It is protected by a 12cm-thick coating.

C. It will fly only outside the solar atmosphere.

D. It will fly into the solar atmosphere without limit.

¡¾3¡¿What is Eugene Parker¡¯s attitude toward the exploration?

A. Confident. B. Doubtful.

C. Disappointed. D. Satisfied.

¡¾4¡¿What does the underlined sentence mean?

A. The spaceship has to do his work under the hottest sun.

B. The spaceship is taking the most attractive job in the world.

C. The spaceship will have great difficulty in finishing the job.

D. The spaceship has to go through the coolest and the hottest temperature.

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Many of the world's countries have reached or are approaching zero population growth (ZPG). Nearly all such lands are economically well developed. They include much of Europe (including Russia), the United States, Canada, Japan, and Australia. As the rate of natural increase (RNI) declines, two things happen. First, the population begins to decline if the loss is not balanced by immigration. Second, a country's population ages because there are fewer births.

Is achieving ZPG good or bad? What happens when a country's population begins to drop? Many people, after all, believe that population decline is a good thing. But is it good for everyone? Does everyone agree?

An aging population can create many problems. Senior citizens require more health care and medical attention. Rather than paying into retirement programs, they begin to draw from their pensions. In the US, the Social Security program, according to many experts, will be used up by 2018. It will pay out more money than it takes in. Additionally, a great number of jobs go begging in search of people willing or able to do them. Many of these jobs are entrylevel positions that pay low wages. With an aging population, who will fill them? At the other extreme, some positions require a large number of training and highly specialized skills. Who will fill these positions as retirees leave the workforce?

The answer to the problem of declining and aging population is simple: increased migration. Today many people, particularly those from less developed countries, are migrating in search of employment. Many are willing to take jobs that cannot (or will not) be filled by the_domestic_population. Others are well educated and highly skilled. Both groups contribute to a country's economy progress in many ways. Further, they add to the richness of a country's culture. Of greatest importance, perhaps, is the fact that they have become absolutely necessary to the economy of many lands. As you can see, for many countries and for most immigrants, migration is a winwin situation.

¡¾1¡¿In the writer's view, which of the following statements is TRUE?

A£®Not everyone agrees that achieving ZPG is absolutely good.

B£®Achieving ZPG is every country's aim in spite of its side effects.

C£®Achieving ZPG is bad for senior citizens.

D£®Achieving ZPG is good for employment.

¡¾2¡¿According to the passage, the best way to solve the problem of declining and aging population is ________.

A£®to improve the health care system

B£®to increase RNI

C£®to increase employment

D£®to increase migration

¡¾3¡¿The underlined words ¡°the domestic population¡± can be replaced by ________.

A£®people within the country

B£®people from developing countries

C£®people without a college education

D£®people living abroad

¡¾4¡¿The main idea of the last paragraph is ________.

A£®the advantages of increased migration

B£®the problem of declining and aging population

C£®how to increase migration

D£®some ways to enrich a country's culture

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