Many people have low iron in their blood. But pregnant women need extra iron for their own health and their baby's health. Iron is important to the development of a baby's brain and central nervous system.
In poor countries, however, providing all pregnant women with iron supplements can be a financial issue. Some experts say giving supplements to babies after they are born is enough.
Someone who disagrees is Paul Christian, a nutritionist at the Johns Hopkins School of Public Health in Maryland. She and other scientists have been doing research in Nepal. She says their latest findings should settle any question about the value of making sure every pregnant woman receives iron supplements.
Iron is a micronutrient. Micronutrients are important substances that are found in small amounts in foods.
The researchers first completed a study among poor women in Nepal ten years ago. During pregnancy some of the women received supplements containing iron and folic acid.
Professor Christian says that study showed the supplements could improve child survival.
Now the children are older. The researchers returned to Nepal and tested their neurological(神经的) development. They found improved intellectual and fine motor abilities among those whose mothers had received iron and folic acid during pregnancy and for three months after.
The findings appear in the Journal of the American Medical Association.
Another new study, published in the journal Pediatrics, looks at levels of vitamin D in babies. It says newborns with the lowest levels were twice as likely to develop respiratory infections(呼吸道感染)as those with normal levels of vitamin D.
Vitamin D helps build strong bones and strengthens the body's defenses against disease. The vitamin is commonly added to cow's milk and also found in supplements. But vitamin D is called the sunshine vitamin. The body naturally produces it from sunlight.
Carlos Camargo from Harvard Medical School in Massachusetts and other researchers did the study. It followed more than nine hundred children in New Zealand until they were five years old.
1.The passage is intended to tell us that_________.
A. iron is as important as Vitamin D to people’s health
B. pregnant women need much more iron and Vitamin D
C. in poor countries babies are lacking iron and Vitamin D
D. iron and Vitamin D may lead to smarter, healthier children
2.When expecting a baby, a woman doesn’t necessarily receive some extra_________.
A. iron B. folic acid C. vitamin D D. supplements
3.It can be learnt from the passage that__________.
A. providing all pregnant women with extra iron may be difficult for all countries
B. plenty of micronutrients can be found in foods that you eat in your daily life
C. it’s more possible for babies lacking vitamin D to suffer from respiratory infections
D. all the vitamins that you need to keep healthy can be received from the sunlight
4.The underlined words in Paragraph 5 refer to_________.
A. a micronutrient B. a food C. a metal D. a medicine
高三英语阅读理解中等难度题
Many people have low iron in their blood. But pregnant women need extra iron for their own health and their baby's health. Iron is important to the development of a baby's brain and central nervous system.
In poor countries, however, providing all pregnant women with iron supplements can be a financial issue. Some experts say giving supplements to babies after they are born is enough.
Someone who disagrees is Paul Christian, a nutritionist at the Johns Hopkins School of Public Health in Maryland. She and other scientists have been doing research in Nepal. She says their latest findings should settle any question about the value of making sure every pregnant woman receives iron supplements.
Iron is a micronutrient. Micronutrients are important substances that are found in small amounts in foods.
The researchers first completed a study among poor women in Nepal ten years ago. During pregnancy some of the women received supplements containing iron and folic acid.
Professor Christian says that study showed the supplements could improve child survival.
Now the children are older. The researchers returned to Nepal and tested their neurological(神经的) development. They found improved intellectual and fine motor abilities among those whose mothers had received iron and folic acid during pregnancy and for three months after.
The findings appear in the Journal of the American Medical Association.
Another new study, published in the journal Pediatrics, looks at levels of vitamin D in babies. It says newborns with the lowest levels were twice as likely to develop respiratory infections(呼吸道感染)as those with normal levels of vitamin D.
Vitamin D helps build strong bones and strengthens the body's defenses against disease. The vitamin is commonly added to cow's milk and also found in supplements. But vitamin D is called the sunshine vitamin. The body naturally produces it from sunlight.
Carlos Camargo from Harvard Medical School in Massachusetts and other researchers did the study. It followed more than nine hundred children in New Zealand until they were five years old.
1.The passage is intended to tell us that_________.
A. iron is as important as Vitamin D to people’s health
B. pregnant women need much more iron and Vitamin D
C. in poor countries babies are lacking iron and Vitamin D
D. iron and Vitamin D may lead to smarter, healthier children
2.When expecting a baby, a woman doesn’t necessarily receive some extra_________.
A. iron B. folic acid C. vitamin D D. supplements
3.It can be learnt from the passage that__________.
A. providing all pregnant women with extra iron may be difficult for all countries
B. plenty of micronutrients can be found in foods that you eat in your daily life
C. it’s more possible for babies lacking vitamin D to suffer from respiratory infections
D. all the vitamins that you need to keep healthy can be received from the sunlight
4.The underlined words in Paragraph 5 refer to_________.
A. a micronutrient B. a food C. a metal D. a medicine
高三英语阅读理解中等难度题查看答案及解析
Many people have donated that type of blood, but the blood bank needs ________.
A.more B．less
C．many D．little
高三英语单项填空中等难度题查看答案及解析
完形填空
I have faith in that families are not only blood relatives, but sometimes people who turn up and love you when no one else will.
In May 1977, I was living in a Howard Johnson’s motel off Interstate 10 in Houston. My dad and I a room with two double beds and a bathroom was too for a 15-year-old girl and her father. Dad’s second marriage was and my stepmother had us both out of the house the previous week. Dad had no what to do with me. And that’s when my other family .
Barbara and Roland Beach took me into their home their only daughter, Su, my best friend, asked them to. I lived with them for the next seven years.
Barb washed my skirts the same as Su’s. She I had lunch money, doctors’ , help with homework and nightly hugs. Barbara and Roland attended every football game where Su and I were being cheerleaders. I could tell, for the Beaches there was no between Su and me; I was their daughter, too.
When Su and I college they kept my room the same for the entire four years I attended school. Recently, Barb presented me with an insurance policy they bought when I first moved in with them and had continued to pay on for 23 years.
The Beaches knew about me when they took me in – they had heard the whole story from Su. When I was seven, my mother died and from then on my father relied on other people to his kids. Before I went to live with the Beaches I had been convinced that life was entirely and that love was shaky and untrustworthy. I had believed that the only person who would take care of me was me.
the Beaches, I would have become a bitter, selfish and pessimistic woman. They gave me a home that allowed me to grow and .They kept me from being paralyzed by my , and they gave me the confidence to open my heart.
I family. For me, it wasn’t the family that was there on the day I was , but the one that was there for me when I was living in a Howard Johnson’s on Interstate 10.
1.A．lived B．shared C．possessed D．bought
2.A．crowd B．convenient C．small D．limited
3.A．in trouble B．in sight C．in place D．in parts
4.A．drove B．removed C．kicked D．knocked
5.A．plan B．choice C．chance D．idea
6.A．looked over B．showed up C．jumped out D．came across
7.A．so B．because C．until D．while
8.A．worked out B．called up C．watched out D．made sure
9.A．approaches B. concentrations C. commitments D. appointments
10.A．As long as B．As far as C．As soon as D．As many as
11.A．change B．problem C．conflict D．difference
12.A．set off B．left for C．entered into D．admitted into
13.A．all B．little C．something D．nothing
14.A．supply B．teach C．encourage D．raise
15.A．different B．unfair C．easy D．hopeful
16.A．Thanks to B．In spite of C．Except for D．But for
17.A．survive B．change C．happy D．operate
18.A．choice B．failure C．past D．present
19.A．pick up B．rely on C．center on D．believe in
20.A．born B．grown C．accepted D．deserted
高三英语完形填空中等难度题查看答案及解析
Many people want to grow their own garden, but they simply do not have the room. Do not worry. There is a solution. Consider container gardening.
The great thing about container gardening is that you can use a variety of different containers. You simply have to use your imagination. You could create a beautiful garden with things such as cement blocks, hanging baskets, clay pots, or window boxes. There are so many options when it comes to container gardening; it is only limited by your imagination.
Of course, you will want to take the following into consideration when you are ready to begin container gardening, in order for it to be successful.
First, you should avoid any containers that have been used to store chemicals, as well as treated wood. This could lead to the sudden death of your flowers and lead to the failure of your container gardening.
With any container that you choose, you need to ensure that it allows the water in it to drain when necessary. So it may be essential for you to create holes in the container to help this along. You should also make sure the containers are placed on a raised surface, not upon the floor, to ensure the best possible drainage.
Ensure that the containers you choose are appropriate in size for the plants you choose, You need to prevent the roots from overgrowing the container.
If you like fresh veggies, you could consider container gardening with vegetables. This requires a process that differs from that of flower gardening. Talk to an employee at a supply store in your area, They can help you choose the right containers for the vegetables you are wishing to grow.
1.Which of the fol lowing may be improper materials for container gardening?
A. Clay pots.
B. Cement blocks.
C. Treated wood.
D. Window boxes.
2.What docs the underlined word"drain" in Paragraph 5 mean?
A. To flow away.
B. To give off.
C. To pour down.
D. To hold back.
3.Compared to flower gardening, what do we know about vegetable gardening?
A. It seems much easier.
B. It requires more time,
C. It demands more water.
D. It needs special containers.
4.Who may be interested in the text?
A. Farmers who are good at gardening.
B. Citizens who enjoy gardening.
C. Children who like outdoor activities.
D. People who have a big yard.
高三英语阅读理解中等难度题查看答案及解析
Shortly after the earthquake, many people hurried to the hospital to_______ their blood.
A. donate B. share C. exchange D. promote
高三英语单项填空中等难度题查看答案及解析
Shortly after the earthquake, many people hurried to the hospital to __________their blood.
A. donate B. share C. exchange D. promote
高三英语单项填空中等难度题查看答案及解析
For most pregnant women, exercise is the last thing on their minds. After all, keeping slim while you’re expecting isn’t exactly the top priority— rather, it’s making sure your baby gets enough nutrients to grow. But in a small new study, researchers at the University of Auckland in New Zealand report that a mother’s regular aerobic exercise may be good for a growing fetus’ health — and may even help a baby get a healthier start in life.
The finding is a bit surprising, because exercise is known to lower the risk of insulin resistance（胰岛素抵抗），a condition eventually leading to diabetes（糖尿病）. Although insulin resistance is a detriment in healthy adults, it turns out to be helpful for proper fetal（胎儿）development. In pregnant women, this condition means nutrients get shunted to the growing baby.
The question is: could a mother’s exercise put her developing baby’s food supply at risk? Past studies looking at the effect of exercise on birth weight have been inconclusive, and none have really investigated the influence of exercise on the mother’s sensitivity to insulin. So the University of Auckland’s Dr. Paul Hoffman and his team decided to study 84 first-time mothers, who were of normal weight on average, and track any effects aerobic exercise(有氧运动) might have on their insulin sensitivity and, ultimately, on their babies’ birth weight. Researchers asked some women to exercise on a stationary bicycle for at least 40 minutes per session, up to five times each week, starting in the 20th week of pregnancy; the other women were not specifically asked to exercise. When the two groups and their babies were compared, the team found that women who bicycled regularly gave birth to babies who were on average 150g lighter than those born to the non-exercising mothers. In both groups, however, the babies were of healthy weight, and there was no difference in the mothers’ weights.
Generally speaking, babies on the lower end of the normal weight range are considered healthier and less prone to developing diabetes and obesity than heavier ones, so this was an encouraging result. Even more reassuring was that regular exercise did not seem to affect the flow of nutrients to the growing babies in the womb.
1.According to the new study, a pregnant woman’s regular exercise may _______.
A. bring benefits to a baby’s growth
B. lower the risk of insulin resistance
C. put her baby’s food supply at risk
D. help her keep slim and healthy
2.What does the underlined word “detriment” mean in the second paragraph?
A. Something that brings good.
B. Something that brings damage.
C. Something that brings obstacles.
D. Something that brings development.
3.What is the purpose of the experiment carried out by Dr. Paul Hoffman?
A. To investigate the influence of exercise on pregnant women.
B. To find out what aerobic exercise can benefit a baby’s growth.
C. To make sure of the effects exercise may have on babies’ birth weight
D. To compare the differences between mothers who exercise and who don’t
4.Which of the following statements is true according to the passage?
A. Lighter babies are generally believed to be healthier than heavier ones.
B. Non－exercising mothers will definitely give birth to heavier babies.
C. No studies have looked at the effect of exercise on birth weight before.
D. Some women studied were asked to exercise regularly while some don’t.
5.Which of the following may be the best title for the passage?
A. All mothers should take aerobic exercise.
B. Moms who exercise give birth to lighter babies。
C. Exercise reduces the risk of insulin resistance.
D. Heavier babies are more likely to develop diabetes.
高三英语阅读理解中等难度题查看答案及解析
Many people think of guys as being carefree when it comes to their appearance. But in fact, a lot of guys spend plenty of time in front of the mirror. They care just as much as girls do about their body image.
Body image is a person’s opinions and feelings about his or her own body and physical appearance._ 1.__You appreciate your body for its capabilities(能力) and accept its imperfections.
_2.__Here are some ideas：
Recognize your strengths.Different body types are good for different things. What does your body do well? Maybe your speed, strength, or coordination (协调性) makes you better than others at a certain sport. That may be basketball, table tennis, mountain biking, dancing, or even running. Or perhaps you have nonsports skills, like drawing, painting, singing, playing a musical instrument, writing, or acting._ 3.__
Exercise regularly. Exercise can help you look good and feel good about yourself. Good physiques (体形) don’t just happen._ 4.__A healthy habit can be as simple as exercising 20 minutes to 1 hour three days a week. Working out can also lift your spirits.
Respect your body! Practicing good habits regular showering; taking care of your teeth, hair, and skin; wearing clean clothes, and so on—can help you build a positive body image.
__5._Your body is just one part of who you are. Your talent for comedy，a quickwit (智慧), and all the other things make you unique. So try not to let small imperfections take over.
A．Use this as an opportunity to discover what you’re good at.
B．Be yourself.
C．Having a positive body image means feeling satisfied with the way you look.
D．Just explore talents that you feel good about.
E．They take hard work, regular workouts, and a healthy diet.
F．The good news is that selfimage and body image can be changed.
G．So, what can you do to develop a positive body image?
高三英语信息匹配中等难度题查看答案及解析
Many people think of guys as being carefree when it comes to their appearance. But in fact, a lot of guys spend plenty of time in front of the mirror.71.
Body image is a person’s opinions and feelings about his or her own body and physical appearance. 72. You appreciate your body for its capabilities and accept its imperfections.
So, what can you do to develop a positive body image? Here are some ideas:
Recognize your strengths. Different body types are good for different things. What does your body do well? Maybe your speed, strength, or coordination makes you better than others at a certain sport. That may be basketball, table tennis, mountain biking, dancing, or even running. Or perhaps you have non-sports skills, like drawing, painting, singing, playing a musical instrument, writing, or acting. 73.
Exercise regularly. Exercise can help you look good and feel good about yourself. Good physiques (体形) don’t just happen. 74. A healthy habit can be as simple as exercising 20 minutes to one hour three days a week. Working out can also lift your spirits.
Respect your body! Practicing good habits --- regular showering; taking care of your teeth, hair, and skin; wearing clean clothes, and so on --- can help you build a positive body image.
75. Your body is just one part of who you are. Your talent for comedy, a quick wit (智慧), and all the other things make you unique. So try not to let small imperfections take over.
| A．Use this as an opportunity to discover what you’re good at. |
| B．Be yourself. |
| C．They care just as much as girls do about their body image. |
| D．Just explore talents that you feel good about. |
E. They take hard work, regular workouts, and a healthy diet.
F. The good news is that self-image and body image can be changed.
G. Having a positive body image means feeling satisfied with the way you look.
高三英语信息匹配中等难度题查看答案及解析
Many people think of guys as being carefree when it comes to their appearance. But in fact, a lot of guys spend plenty of time in front of the mirror. They care just as much as girls do about their body image.
Body image is a person’s opinions and feelings about his or her own body and physical appearance. 1.You appreciate your body for its capabilities and accept its imperfections.
2. Here are some ideas.
Recognize your strengths.
Different body types are good for different things. What does your body do well? Maybe your speed, strength, or coordination makes you better than others at a certain sport. That may be basketball, table tennis, mountain biking, dancing, or even running. Or perhaps you have non-sports skills, like drawing, painting, singing, playing a musical instrument, writing, or acting. 3..
Exercise regularly.
Exercise can help you look well and feel good about yourself. Good physiques (体形) don’t just happen. 4.A healthy habit can be as simple as exercising 20 minutes to 1 hour three days a week. Working out can also lift your spirits.
Respect your body.
Practicing good habits - regular showering; taking care of your teeth, hair, and skin; wearing clean clothes, and so on can help you build a positive body image.
5.
Your body is just one part of who you are. Your talent for comedy, a quick wit (智慧), and all the other things make you unique. So try not to let small imperfections take over.
A. Be yourself.
B. Just explore talents that you feel good about.
C. So, what can you do to develop a positive body image?
D. Use this as an opportunity to discover what you’re good at.
E. The good news is that self-image and body image can be changed.
F. They take hard work, regular workouts, and a healthy diet.
G. Having a positive body image means feeling satisfied with the way you look.
高三英语阅读理解中等难度题查看答案及解析