Most people feel lonely sometimes, but it usually lasts only a few minutes or a few hours．This kind of loneliness is not serious．In fact, it is quite normal．For some people, though, loneliness can last for years．Now researchers say there are three different kinds of loneliness．

The first kind of loneliness is temporary．This is the most common type．It usually disappears quickly and does not need any special attention．

The second kind, situational loneliness, is a natural result of a certain situation, for example, a family problem, the death of a loved one, or moving to a new place．Although this kind of loneliness can cause physical problems, such as headaches and sleeplessness, it usually does not last for more than a year．

The third kind of loneliness is the most severe．Unlike the second type, chronic （长期的） loneliness usually lasts more than two years and has no specific cause．People who experience habitual loneliness have problems socializing and being close to others．Unfortunately, many chronically lonely people think there is little or nothing they can do to improve their condition．

Psychologists agree that one important factor in loneliness is a person's social contacts, such as friends, family members, co-workers, etc．We depend on various people for different reasons．For instance, our families give us emotional support, our parents and teachers give us guidance, and our friends share interests and activities．However, psychologists have found that, though lonely people have many social contacts, they sometimes feel they should have more．They question then" own popularity．

Psychologists are trying to find ways to help habitually lonely people for two reasons: they are unhappy and unable to socialize and there is a connection between chronic loneliness and serious illness such as heart disease．While temporary and situational loneliness can be a normal and healthy part of life, chronic loneliness can be a very sad and sometimes dangerous condition．

Which of the following can be the cause of situational loneliness?

A．Sleeplessness．                  B．Changing work．

C．Heart disease．              D．Social contacts．

The underlined word "it" in the last sentence of the third paragraph refers to _____ ．

A．headaches    B．situational loneliness

C．sleeplessness    D．temporary loneliness

How would you treat temporary loneliness according to the passage?

A．Just ignore it．     B．Talk to friends．

C．Go to see a doctor．     D．Ask your teachers for guidance．

What can we learn from the passage?

A．People feel lonely in a certain situation．

B．There are only three types of loneliness in our life．

C．Loneliness doesn't affect people much．

D．Scientists have found ways to help habitually lonely people．

   Most of us think that when we step under a shower we’re getting clean．We are, but we’re also giving a home to lots of tiny little creatures we didn’t even know about．

   A showerhead carries thousands of bacteria (细菌) called Mycobacterium．These can cause problems like coughs and tiredness, and a general feeling of poorliness (身体不舒服)．When you turn on the water, the bacteria go from the showerhead onto and into your body．

   This is a finding of Norman R．Pace and his team at the University of Colorado, in the US．The scientists investigated bacteria in all kinds of human environment, including showers．

   Pace's team looked at 45 showerheads in nine American cities．They discovered that 30 percent of them had large amounts of flying Mycobacterium．

   But Pace said that they pose few threats to the health．Only those with a frail (脆弱的) immune (免疫的) system might need to worry．

   He told the New York Times that the bactertia are not as unpleasant as might be thought．He said that having a shower is no more dangerous than anything else we do in the morning．

   But for those who feel sick about the idea of all those microorganisms (微生物), he had some advice．

   Let the water run for 30 seconds before getting into the shower．Why? The number of bacteria is smaller than when the water is just turned on．If that seems like a waste of water, he added that you could also change your showerhead every few months．

   But Pace had good news too．He has also been testing the air in US subways．Apart from iron particles (粒子), which are ground off the track by the wheels of trains, subway air is fresh．The reason is that a train’s movement pumps fresh outdoor air into the tunnels(隧道)．

   Pace explained that he wanted to understand the natural microbial(微生物的) environments of public places．This kind of knowledge might help detect the microbes to be used in a bioterrorist (生物恐怖分子) attack．

49．According to the finding of Norman R．Pace, after taking a shower, we might ______．

       A．get much dirtier                 B．be covered by bacteria

       C．get a frail immune system      D．catch a cough or feel tired

50．Pace’s research into showers shows that ______．

       A．there is no reason to fear microorganism

       B．shower water contains much less bacteria after being left to run for 30 second

       C．having a shower in the morning is more dangerous than at other time

       D．of 45 showerheads surveyed in nine cities, 30 carried large amounts of Mycobacterium

51．According to the research of Pace’s team, which of the following contributes to fresh air in US subways?

       A．Train wheels．                B．Iron particles．

       C．The movement of the trains． D．Air conditioners on the trains．

52．The word “detect” in the last paragraph probably means “______”．

       A．to discover      B．to protect        C．to make   D．to prevent

Most of my earliest childhood memories are of the beach — in the hot sun, building sandcastles, burying Dad in the sand.
Now the coast has a pleasant and relaxing attraction beyond words. I look forward to a windy cliff-top walk or a rainy day rock-picking just as much as those rare moments when I get to a short sleep in the sun. But there’s nothing more pleasurable than turning up at a beach to find it deserted.
These are my favourite secret beaches — ones either not well known or take a bit of effort to get to. Most of those listed scored highly in the Marine Conservation Society Good Beach Guide 2009; the others are too secret even for them.
Sennen Clove is just a mile northeast of Land’s End, the westernmost point of mainland England. It’s a beautiful spot, with white sands, deep green sea and amazing sunsets over the Isles (群岛) of Scilly, 28 miles away.
The west-facing beach is popular with surfers, with bigger waves and winds often found at the Gwenver end. There’s a beach restaurant with good views of the bay and the sunsets.
The smallest of Isles of Scilly, Bryher is a mile long, half a mile wide — and a natural wilderness of unbelievable scenery. Walk along the narrow sandy roads to the eastern seaboard and you come to two quiet beaches.
Green Bay has views over to the palm trees of Tresco’s Abbey Gardens, and a little further south is Rushy Bay, a beautiful beach facing the deserted island of Samson.
On Bryher, farm shops sell locally grown produce, and they trust you to leave the money in the pot. It’s that kind of place.
【小题1】The best title for this passage is ________.

B
Parents often believe that they have a good relationship with their teenagers（青少年）. But last summer, Joanna and Henry noticed a change in their older son: suddenly he seemed to be talking far more to his friends than to his parents. “The door to his room is always shut.” Joanna noted.
Tina and Mark noticed similar changes in their 14-year-old daughter. “She used to cuddle up（蜷伏）with me on the sofa and talk ,” said Mark . “Now we joke that she does this only when she wants something. Sometimes she wants to be treated like a little girl and sometimes like a young lady. The problem is figuring out which time is which. ”
Before age 11, children like to tell their parents what’s on their minds. “In fact, parents are first on the list.” said Michael Rita, author of Uncommon Sense for Parents with Teenagers. “This completely changes during the teen years.” Rita explained. “They talk to their friends first, then maybe their teachers, and their parents last.”
Parents who know what’s going on in their teenagers’ lives are in the best position to help them. To break down the wall of silence, parents should create chances to understand what their children want to say , and try to find ways to talk and write to them . And they must give their children a mental break, for children also need freedom, though young. Another thing, parents should remember is that to be a friend, not a manager, with their children is a better way to know them.
40. “The door to his room is always shut” suggests that the son        .
A. is always busy with his studies          B. doesn’t want to be disturbed
C. keeps himself away from his parents D. begins to dislike his parents
41. What troubles Tina and Mark most is that        .
A. their daughter isn’t as lovely as before
B. they can’t read their daughter’s mind exactly
C. they don’t know what to say to their daughter
D. their daughter talks with them only when she needs help
42. Which of the following best explains “the wall of silence” in the last paragraph ?
A. Teenagers talk a lot with their friends.
B. Teenagers do not want to understand their parents.
C. Teenagers do not talk much with their parents.
D. Teenagers talk little about their own lives.
43. What can be learned from the passage?
A. Parents are unhappy with their growing children.
B. Parents have suitable ways to talk with their teenagers.
C. Parents should be patient with their silent teenagers.
D. Parents should try to understand their teenagers.

A. Arguments are pointless.
B. Your parents only want what's best for you.
C. Everyone's opinion matters only as much as you want them to.
D. You learn by doing.
E. Your emotions are under your control.
F. You aren't stuck in any situation
Life is the greatest teacher
There always comes a moment when I wonder where I will end up and this moment always serves as a strong motivation for me to learn life lesson. I've learned a great many things, but these are the lessons that I wish I'd learned earlier:
【小题1】_________
There was a time when everyone's opinion was mine as well. Whatever preferences I formerly held were dashed in the face of another's. This most likely came from a need to please others. Remember that your opinion matters just as much as the next guy's, whether they make more money than you or are less popular than you. Everyone's opinion holds the same weight.
【小题2】_________
Drama, chaos, and emotional unrest — these were what took up most of my time as a teenager. If I had heard someone said bad things behind my back, I'd be angry. Go crazy. Looking back on those tantrums now, I'm not too surprised. After all, when you have little self control, anything is possible. The lesson here is, remain aware of how you react.
【小题3】_________
Will one small argument among friends decide the fate of the entire universe? In my world it felt like it. I just wanted so much to be right and for them so much to be wrong. But in the end, it only resulted in me wasting my time and in the other person storming off in frustration. Is there really a point to arguing? Unless it's absolutely necessary, I've learned that it's better to hold your breath on things you can't control at all. Arguing to change someone's mind is one of them.
【小题4】_________
I'm not saying every parent wants what's best for you (there are outliers), but in general, parents do what they do for you in your best interest. My parents used to make me do the dishes, cook dinner, sweep the floors, mow the lawn, take out the garbage… the list goes on and on. And at every turn, I'd whine and complain. I'd eventually end up doing it. Now, I honestly see the value in having learned those skills. I can efficiently cook and clean up after myself.
【小题5】_________
Whenever I’d lose a friend, get an awful grade, or disappoint my parents, I stewed in my own muck. Waiting for the bad moments to go away seemed to be the only solution. Fortunately, I know now that you don’t have to be stuck in bad situations. You can go out and create better ones. It all depends on perspective; on how you see the situation. Viewing everything as a learning experience makes life more pleasurable, even during the hard times. You aren't stuck. You can move on.
I'm glad to have learned these lessons the way I did. Each experience helped shape me to become a better person. I don't know if any young people are reading this, but if they are, I'd like to say this: “Listen to life and its experiences. Everyone goes through mostly the same things.”