It vanished in 2002, a result of a bad fall. As my neurosurgeon explained, when my head hit the ground, my brain sloshed around, which smashed delicate nerve endings in my olfactory system. Maybe they’ll repair themselves, she said (in what struck me as much too casual a tone ), and maybe they won’t, If I had to lose something, it might as well have been smell; at least nothing about my personality or my memory had changed, as can happen with head trauma. So it seemed almost churlish to feel, as the months went on, so devastated by this particular loss.
But I was heartbroken. My sense of smell was always something I took pleasure in. Without scent, I felt as ff I were walking around the city without my contact lenses, dealing with people while wearing earplugs, moving through something sticky and thick. The sharpness of things, their specificity, diminished. I couldn’t even tell when the milk had gone bad. Oddly, my sense of taste remained perfectly fine, but I was still nervous about opening a carton of yogurt without having someone nearby to sniff it for me. I had been stripped of the sense we all use, often without realizing it, to negotiate the world, to know which things are safe and which are dangerous.
After nearly a year, I talked to a colleague savvying about neuro-science, who suggested I try to retrain my sense of smell on the assumption that the nerve endings had repaired themselves but that something was still broken along the pathway from nose to brain, where odor molecules activate olfactory receptors (the subject of this year’s Nobel-winning research) . Her advice was to expose myself to strong, distinctive fragrances, asking the person I was with to tell me exactly what I was smelling even if I wasn’t conscious of smelling anything at all.
I began sticking my nose into everything that seemed likely to have a scent-the cumin in the spice cabinet, freshly ground coffee, red wine. I interrupted friends midsentence if we happened to be walking past a pizza place or a garbage truck and asked, stupidly, "What are you smelling now"
Slowly, the smell therapy started to work. At first, distressingly, all I could smell were unnatural scents: dandruff shampoo, furniture polish, a cloud of after-shave from a stocky young man. The first time I smelled cut grass again, in the small park near the American Museum of Natural History, was almost exactly two years after my fall. It made me cry. The tears embarrassed me, but cut grass is one of those fragrances that transport me directly to the landscape of childhood. And that’s what I had been missing, really, and why getting back my sense of smell was so precious: a visceral connection to the person I used to be.
Why was the author nervous about opening a carton of yogurt

A:Her sense of taste remained perfectly fine. B:She was fed up with it. C:She could not sniff out whether it had gone had. D:She could not tell the safe things from the dangerous ones.

It vanished in 2002, a result of a bad fall. As my neurosurgeon explained, when my head hit the ground, my brain sloshed around, which smashed delicate nerve endings in my olfactory system. Maybe they’ll repair themselves, she said (in what struck me as much too casual a tone ), and maybe they won’t, If I had to lose something, it might as well have been smell; at least nothing about my personality or my memory had changed, as can happen with head trauma. So it seemed almost churlish to feel, as the months went on, so devastated by this particular loss.
But I was heartbroken. My sense of smell was always something I took pleasure in. Without scent, I felt as ff I were walking around the city without my contact lenses, dealing with people while wearing earplugs, moving through something sticky and thick. The sharpness of things, their specificity, diminished. I couldn’t even tell when the milk had gone bad. Oddly, my sense of taste remained perfectly fine, but I was still nervous about opening a carton of yogurt without having someone nearby to sniff it for me. I had been stripped of the sense we all use, often without realizing it, to negotiate the world, to know which things are safe and which are dangerous.
After nearly a year, I talked to a colleague savvying about neuro-science, who suggested I try to retrain my sense of smell on the assumption that the nerve endings had repaired themselves but that something was still broken along the pathway from nose to brain, where odor molecules activate olfactory receptors (the subject of this year’s Nobel-winning research) . Her advice was to expose myself to strong, distinctive fragrances, asking the person I was with to tell me exactly what I was smelling even if I wasn’t conscious of smelling anything at all.
I began sticking my nose into everything that seemed likely to have a scent-the cumin in the spice cabinet, freshly ground coffee, red wine. I interrupted friends midsentence if we happened to be walking past a pizza place or a garbage truck and asked, stupidly, "What are you smelling now"
Slowly, the smell therapy started to work. At first, distressingly, all I could smell were unnatural scents: dandruff shampoo, furniture polish, a cloud of after-shave from a stocky young man. The first time I smelled cut grass again, in the small park near the American Museum of Natural History, was almost exactly two years after my fall. It made me cry. The tears embarrassed me, but cut grass is one of those fragrances that transport me directly to the landscape of childhood. And that’s what I had been missing, really, and why getting back my sense of smell was so precious: a visceral connection to the person I used to be.

A:Her sense of taste remained perfectly fine. B:She was fed up with it. C:She could not sniff out whether it had gone had. D:She could not tell the safe things from the dangerous ones.

The commander’s orders were perfectly （　）

A:applied B:exercised C:executed D:authorized

Passage Two
When we see well, we do not think about our eyes very often. It is only when we cannot see perfectly that we realize how important our eyes are.
People who are nearsighted can only see things that are very close to their eyes. Everything else is not so clear. Many people who do a lot of close work, such as writing, reading and sewing, become near sighted. Then they have to wear glasses in order to see distant (远处的) things clearly’.
People who are nearsighted suffer from just the opposite problem. They can see things that are far away, but they have difficulty in reading a book unless they hold it at arm’s length. If they want to do much reading, they must get glasses, too.
Other people do not see clearly because their eyes are not exactly the right shape. They have what is called astigmatism (散光). This, too, can be corrected by glasses. Some people’s eyes become cloudy because of cataracts (白内障). Long ago these people often became blind. Now, however, it is possible to operate on the cataracts and remove them.
Having two good eyes is important for judging distances. Each eye sees things from a slightly different angle (角度). To prove this to yourself, look at an object out of one eye; then look at the same object out
of the other eye. You will find the object’s relation to the background (背景) and other things around it has changed. The difference between these two different eye views helps us to judge how far away an object is. People who have only one eye cannot judge distance as people with two eyes.

A:only when we cannot see perfectly B:only when we can see well C:even if we can see well D:only when we realize how important our eyes are

How often one hears children wishing they were grown up, and old people wishing they were young again. Each age has its pleasures and its pains, and the happiest is the one who enjoys what each age gives him without wasting his time in useless regrets.
Childhood is a time when there are few responsibilities to make life difficult. If a child had good parents, he is fed, looked after and loved, whatever he may do. In addition, life is always presenting new things to the child things that have lost their interest for older people because they are too well known. A child finds pleasure in playing in the rain, or in the snow. His first visit to the seaside is a marvelous(非凡的) adventure. But a child has his pains., he is not so free to do as he wishes as he thinks older people are; he is continually being told not to do things, or being punished for what he has done wrong. His life is therefore not perfectly happy.
When the young man starts to earn his own loving, he becomes free from the discipline (纪律) of school and parents; but at the same time he forced to accept responsibilities (责任). He can no longer expect others to pay for his food, his cloths, and his room, but has to work if he wants to live comfortably. If he spends most of his time playing ahout in the way that he used to as a child, he will go hungry. And if he breaks the laws of society as he used to break the laws of his parents, he may go to prison. If, however, he works hard, keeps out of trouble and has good health, he can have the real happiness of seeing himself make steady(稳定的) progress in his job and of building up for himself his own position in society.
Old age has always been thought of as the worst age to be; but it is not necessary for the old to be unhappy. With old age should come wisdom and the ability to help others with ad vice wisely given. The old can have the joy of seeing their children making progress in life; they can watch their grandchildren growing up around them; and, perhaps best of all, they can, if their life has been a useful one, feeling the happiness of having come through the bat tie of life safely and of having reached. a time when they can lie back and rest, leaving others to continue the fight.
Children______.

A:are seldom punished for doing wrong B:can find something new and interesting all the time C:always want to be young D:live a perfectly happy life if they always behave well

Passage Two
When we see well, we do not think about our eyes very often. It is only when we cannot see perfectly that we realize how important our eyes are.
People who are near-sighted can only see things that are very close to their eyes.’ Everything else is not so clear. Many people who do a lot of close work, such as writing, reading and sewing, become near sighted. Then they have to wear glasses in order to see distant (远处的) things clearly.
People who are far-sighted suffer from just the opposite problem. They can see things that are far away, but they have difficulty in reading a book unless they hold it at arm’s length. If they want to do much reading, they must get glasses, too.
Other people do not see clearly because their eyes are not exactly the right shape. They have what is called astigmatism (散光). This, too, can be corrected by glasses. Some people’s eyes become cloudy because of cataracts (白内障). Long ago these people often became blind. Now, however, it is possible to operate on the cataracts and remove them."
Having two good eyes is important for judging distances. Each eye sees things from a slightly different angle (角度). To prove this to yourself, look at an object out of one eye; then look at the same object out of the other eye. You will find the object’s relation to the background (背景) and other things around it has changed. The difference between these two different eye views helps us to judge how far away an object is. People who have only one eye cannot judge distance as people with two eyes.

A:only when we cannot see perfectly B:only when we can see well C:even if we can see well D:only when we realize how important our eyes are

How often one hears children wishing they were grown up, and old people wishing they were young again. Each age has its pleasures and its pains, and the happiest is the one who enjoys what each age gives him without wasting his time in useless regrets.
Childhood is a time when there are few responsibilities to make life difficult. If a child had good parents, he is fed, looked after and loved, whatever he may do. In addition, life is always presenting new things to the child things that have lost their interest for older people because they are too well known. A child finds pleasure in playing in the rain, or in the snow. His first visit to the seaside is a marvelous(非凡的) adventure. But a child has his pains., he is not so free to do as he wishes as he thinks older people are; he is continually being told not to do things, or being punished for what he has done wrong. His life is therefore not perfectly happy.
When the young man starts to earn his own loving, he becomes free from the discipline (纪律) of school and parents; but at the same time he forced to accept responsibilities (责任). He can no longer expect others to pay for his food, his cloths, and his room, but has to work if he wants to live comfortably. If he spends most of his time playing ahout in the way that he used to as a child, he will go hungry. And if he breaks the laws of society as he used to break the laws of his parents, he may go to prison. If, however, he works hard, keeps out of trouble and has good health, he can have the real happiness of seeing himself make steady(稳定的) progress in his job and of building up for himself his own position in society.
Old age has always been thought of as the worst age to be; but it is not necessary for the old to be unhappy. With old age should come wisdom and the ability to help others with ad vice wisely given. The old can have the joy of seeing their children making progress in life; they can watch their grandchildren growing up around them; and, perhaps best of all, they can, if their life has been a useful one, feeling the happiness of having come through the bat tie of life safely and of having reached. a time when they can lie back and rest, leaving others to continue the fight.
Children______.

A:are seldom punished for doing wrong B:can find something new and interesting all the time C:always want to be young D:live a perfectly happy life if they always behave well

阅读下列短文，然后根据短文的内容从每小题的四个选择项中，选出最佳的一项。
A

A:are seldom punished for doing wrong B:can find something new and interesting all the time C:always want to be young D:live a perfectly happy life if they always behave well