Have you ever wondered why birds sing? Maybe you thought that they were just happy. After all, you probably sing when you are happy.

Some scientists believe that birds do sing some of the time just because they are happy. However, they sing most of the time for a very different reason. Their singing is actually a warning to other birds to stay out of their territory.

Do you know what a “territory” is? A territory is an area that an animal, usually the male, claims (声称) as its own. Only he and his family are welcome there. No other families of the same species are welcome. Your house is your territory where only your family and friends are welcome. If a stranger should enter your territory and threaten you, you might shout. Probably this would be enough to frighten him away.

If so, you have actually frightened the stranger away without having to fight him. A bird does the same thing. But he expects an outsider almost any time, especially at nesting (筑巢) season. So he is screaming all the time, whether he can see an outsider or not. This screaming is what we call a bird’s song, and it is usually enough to keep an outsider away.

1.Some scientists believe that most of the time bird’s singing is actually ________.

A．an expression of happiness                B． a way of warning

C．an expression of anger                   D． a way of greeting

2.What is a bird’s “territory”?

A．A place where families of other species are not accepted.

B．A place where a bird may shout at the top of its voice.

C．An area for which birds fight against each other.

D．An area which a bird considers to be its own.

3.Why do birds keep on singing at nesting season?

A．Because they want to invite more friends.

B．Because their singing helps frighten outsiders away.

C．Because they want to find outsiders around.

D．Because their singing helps get rid of their fears.

4.How does the writer explain birds’ singing?

A．By comparing birds with human beings.

B．By reporting experiment results.

C．By describing birds’ daily life.

D．By telling a bird’s story.

5.What does the underline word “screaming” in paragraph 4 mean?

A．哭喊声           B．令人惊愕的        C．尖叫声           D．尖叫的

C

If you have to miss a meal a day, which meal will cause you fewest health problems if you don’t eat it? If you have to make a decision of this type, most people (especially very busy people) will choose to skip breakfast.

However, many experts in the field of health consider breakfast ( the meal which “break” you “fast” ) to be the most important  meal of the day. If we eat a good breakfast, they say, we will have the energy and nutrients (营养) we need to begin our working day with vigor(活力) and stay hopeful with good honor. However, many people skip breakfast or substitute a cup of coffee for a well balanced meal. What happens if we ignore the importance of breakfast?

One recent study conducted in the United States tested a large number of people. Participants(参加者) included both males and females who ranged in age from 12 to 83. The results showed that if a person eats an adequate(丰富的) breakfast, he or she will work more efficiently(效率高地) and more productively than if he or she skips breakfast or eats a very poor breakfast. This fact appears to be especially true if a person’s work involves mental(脑力的) activities. The study showed that if school-children eat fruit, eggs, bread and milk before going to school, they will learn more quickly and will be able to concentrate on their lessons for a longer period of time than if their breakfast is inadequate(不丰富).

The study also showed that contrary to what people believe, if you skip breakfast, you will not lose weight. This is because people become so hungry if they skip breakfast that they eat too much for lunch and end up gaining weight instead of losing. So remember, if you want to lose weight, skipping breakfast will not help you. You will likely lose more weight if you decrease your other meals.

1. According to experts, breakfast is the most important meal of the day because _____.

A．a good breakfast breaks you down fast

B．you’ll lose weight quickly if you skip breakfast

C．breakfast provides what a person needs to work

D．after a long night, you’ll feel very hungry

2.The underlined part “substitute a cup of coffee for a well balanced meal”(Para. 2) probably means _______.

A．to exchange a cup of coffee for a well balanced meal.

B．To drink a cup of coffee instead of a well balanced meal.

C．To change a cup of coffee into a well balanced meal.

D．To regard a cup of coffee as a well balanced meal.

3.The example of school-children in para.3 shows that _______.

A．school-children will be quick and attentive all day if they eat breakfast

B．a proper breakfast will make mental workers more efficient

C．fruit, eggs, bread and milk are the best breakfast for mental workers

D．school-children who have breakfast are much brighter than those who don’t

4.Which of the following is NOT true according to Para. 4?

A．Some people skip breakfast because they want to be slimmer.

B．Most people who skip breakfast actually eat more for lunch.

C．People put on weight because they eat too much breakfast.

D．Skipping breakfast won’t help people who want to lose weight.

5.The best title of the passage is _______.

A．How to Lose Weight                     B．What’s a Healthy Diet

C．Surprising Results of a Study               D．Breakfast – A Meal That Breaks You Fast

Who give us life，raise us and are our constant support and well?wishers？Our mothers.That’s why millions of people across the world take Mother’s Day as an opportunity to express thanks and send best wishes to their moms.

However，the celebration of Mother’s Day is not the recent thing that many believe it to be.It was the ancient Greeks who started the tradition by celebrating their annual spring festival in honor of Rhea，the mother of many gods and goddesses.

Later，in the 1600s，Mothering Sunday came to be celebrated in England.On the fourth Sunday of Lent (大斋期)，children brought flowers and special fruitcakes to show their respect for their mothers.It may be the root of the modern Mother’s Day.

Thanks to the great efforts of Julia Ward Howe and Anna Jarvis，Mother’s Day became an official festival in the US.It is celebrated on the second Sunday in May.Later，many countries began to celebrate this day as Mother’s Day.

Today，Mother’s Day is an international festival honoring mothers.It is celebrated all over the world in different ways.In Western countries，the most common way is to treat mothers with breakfast in bed.Kids often allow their mothers to sleep till late in the morning while they prepare her favorite breakfast with their fathers.Some also make hand?made gifts or buy beautiful carnations (康乃馨)．It is the day when you acknowledge your mothers contribution in your life and pay a tribute (礼品) to her，often with flowers and gifts.It complements Father’s Day，the celebration honoring fathers.

Today，Mother’s Day is a day celebrated on various days in many places around the world.

1.Why do people across the world celebrate Mother’s Day?

A．Because they want to express thanks and send best wishes to their mothers.

B．Because they want to express thanks and send best wishes to Rhea.

C．Because Mother’s Day is an official festival in the US.

D．Because Mother’s Day is an international festival.

2.The modern Mother’s Day came from________.

A．Greece? B．England

C．America? D．China

3.From the passage we can learn that________.

A．Rhea is the mother of many gods and goddesses of England

B．many people wrongly believe Mother’s Day has a short history

C．in America Mother’s day is celebrated on the fourth Sunday of Lent

D．on Mother’s day fathers have to get up early to prepare breakfast

4.The passage mainly wants to tell us________.

A．how to celebrate Mother’s day

B．what to do on Mother’s day

C．the historical change of Mother’s day

D．the meaning of Mother’s day

A growing number of college students are applying to take entry tests for medical and dental （牙科的） schools among increasing graduate unemployment in Korea.

“I’ve decided to apply for the test to enter a medical college to become a doctor, changing from my original plan to prepare for a lawyer qualification exam in order to get a more stable job in the future,” said a 24-year-old college graduate, Lee, who majored in business administration during his undergraduate schooling.

The new medical and dental school system is getting popularity, attracting an increasing number of students every year since its appearance in 2004, as it is open to all college graduates regardless of their previous majors.

The Education Development introduced the new medical and dental education system, in which college students with bachelor’s degrees are allowed to study medicine or dentistry by taking the Medical Education Test (MET) and Dental Education Test (DET).

Ten medical schools and six dental colleges that have used the new system have received 4,377 applications (申请) for the entrance exams.

Applicants are getting younger compared with those in their 20s representing 76.9 percent of the total. The tests might be easier for students with biology and chemistry majors, but graduates from other majors are also applying for the tests.

Under the existing medical and dental education system, students should take a two-year premedical course followed by a four-year medical course.

Students graduating under the new medical or dental education system are given master’s degrees, while those graduates who studied under the previous system have bachelor’s degrees.

1.Why do more and more Korean students apply for medical schools?

A．Because doctors are highly respected in Korea.

B．Because they want to get a more stable job.

C．Because medicine is easier to learn than other subjects.

D．Because the medical education system is reasonable.

2. Students in the old system may spend _______ years at college to get bachelor’s degrees.

A．two              B．four              C．six               D．seven

3. We can learn from the passage that _______.

A．it takes a longer time to get the master’s degree in the old system

B．students may find it a lot easier to get a bachelor’s degree in medicine

C．graduates from other majors like history are not allowed to apply for those schools

D．the new system are not so popular as expected because of its high unemployment

4. What would be the best title for the passage?

A．New Medical and Dental School System Is Carried Out in Korea

B．Korean College Students Have a New Job Choice

C．Korean College Students Rush to Medical and Dental Schools

D．Doctors Are Becoming Popular in Korea

The road is covered with snow. I can’t understand _____ they want to go to school by  motorbike.

A．why              B．when             C．since             D．that