题目内容
（请给出正确答案）
A baby's blood type is decided by ______.
A．his father or his mother
B．his mother and his father
C．his grandparents
D．himself
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更多“A baby's blood type is decided…”相关的问题
A.BO×AO
B.BB×AA
C.BB×AO
D.BO×AA
A、B、M、Rh+
B、A、M、Rh－
C、O、MN、Rh＋
D、AB、N、Rh+
The passage implies that ______.
A．blood group decides people's personality
B．good blood type offers people good jobs
C．people of a certain blood type may be good at a certain job
D．blood type can change people's life
2. In a family, mother’s blood type is A. Her color vision is normal. She has five children. Some are born by mother with her first husband who is color blind and with blood type AB, and others are born by mother with her second husband with normal vision and A blood type. These children are: (1) Son, A blood type, color blind; (2) Son, O blood type, color blind; (3) Daughter, A blood type, color blind; (4) Daughter, B blood type, normal vision; (5) Daughter, A blood type, normal vision. Question: Please figure out the father of these five children.
A．the doctor can't use the donor's blood because your blood can destroy this
B．the doctor has to choose a donor whose blood can not be destroyed by your blood
C．the doctor has to choose a certain type of blood from a donor whose blood will not be destroyed by yours
D．the doctor can choose a certain type of blood from any donors
A.Any type
B.A and O
C.B and O
D.A and B
Apparently, overuse of salt causes high blood pressure and hypertension, the cause of half the deaths in the United States every year. A few years ago the anti-salt campaigners raised such an uproar that salt was banned from baby food.Currently pressure is being applied to food manufacturers to oblige them to label their products to show sodium content. Because doing so would cost manufacturers money, they argue that they have no idea how much salt remains on such things as potato chips and how much sticks to the bag. Furthermore, salt isn't the only harmful ingredient in food.If the manufacturer has to provide sodium content, why not require him to list every ingredient and specify which are harmful to our health？ Cigarettes have a warning printed on them. Shouldn't the same type of warning appear on canned foods that are notoriously over- salted？
There are endless ifs and buts in the controversy, but the most telling of these is the questionable proof of salt's effect upon the blood pressure. True, people who cut their salt intake lowered their blood pressure, but where is the scientific proof that something other than salt didn't do the trick？ The most common means of providing dubious proof that salt causes hypertension is to compare societies that use little salt with those that use mountains of salt in their daily diets. Which group has the higher rate of hypertension？ Whose blood pressure is lower？ What happens when salt is introduced into a group where salt is a novelty？ Does the blood pressure rise significantly？ Studies of the Japanese indicate that as the world's greatest salters, they suffer the most from hypertension. On the other hand, the simple, salt-free cooking of several tribes in the Solomon Islands has kept older tribesmen and women from developing hypertension and high blood pressure, ailments traditionally killing their peers in America.No account is taken of the effects of inflation, recession, pollution, crime, and sundry (多种多样的) other ills to which Americans, unlike people on primitive islands, are exposed.
To salt or not to salt？ That is the question. Now that the question has arisen, it must not be treated with levity(轻率) but, rather, with searching scientific investigation so that those of us who are preoccupied with both savory(薄荷) food and longevity may decide which of the two is worth its salt.
The attitude of the author of this passage toward the salt controversy is that______。
A．we must stop eating salt immediately
B．she is not convinced that salt is harmful
C．the Food and Drug Administration works well with doctors
D．soon there won't be anything tasty left to eat
请根据短文内容，回答题。
ADHD Linked to Air Pollutants
Children have an increased risk of attention problems, seen as early as grade school, if their morns inhaled (吸入) a certain type of air pollution when they were pregnant. That&39;s the finding of a new study. Released when things aren&39;t burned completely, this pollution is known as polycyclic aromatic hydrocarbons, or PAHs. The biggest sources of these PAHs: the burning of fossil fuels,wood and trash. Frederica Perera works at Columbia University&39;s Mailman School of Public Health in New York City. She researches how exposure to things in the environment affects children&39;s health. In a new study, she and her team studied the exposure to air pollution of 233 nonsmoking pregnant women in New York City. Because burning tobacco can spew (排放) PAHs into the air and lungs, Perera&39;s team focused on nonsmokers. The researchers wanted to probe (探查) other sources of PAHs, ones that would have been hard for an individual to avoid.＜br＞
The team started by testing the blood of each woman during pregnancy. The reason: Any PAHs in a woman&39;s blood would also be available to the baby in her womb. Nine years later, the researchers investigated signs of attention problems in these children, now age 9. They asked each child&39;s mother a series of questions. These included whether her child had problems doing things that needed sustained (长期的) mental effort, such as homework or games with friends. The scientists also asked if the kids had trouble following instructions or made frequent, careless mistakes. All of these can be symptoms of a disorder called Attention Deficit Hyperactivity Disorder, or ADHD. About one in 10 U.S. children has ADHD. Among the women studied, traffic and home heating were the primary sources of air pollution exposure, Perera and her team suspect.＜br＞
Some of these women had low levels of PAHs in their blood. Others had high levels. Those with high levels were five times as likely to have children who showed attention problems by age 9. The new findings were published on November 5 in the journal PLOS ONE
Perera and her team chose nonsmoking pregnant women all over America. 查看材料
A.Right
B.Wrong
C.Not mentioned
In the author's opinion, D'Adamo includes in his book all BUT______.
A．categories of blood type and their diet
B．scientific supports to his theories
C．foods can be classified as beneficial, neutral, or to be avoided
D．other elements good for health
Ostensible, overuse of salt causes high blood pressure and hypertension, the cause of half the deaths in the United States every year. A few years ago the anti-salt campaigners raised such a rumpus that salt was banned from baby food. Currently pressure is being ap- plied to food manufacturers to oblige them to label their products to show sodium content. Because doing so would cost mercenary manufacturers money, they argue that they have no idea how much salt remains on such things as potato chips and how much sticks to the bag. Furthermore, salt isn't the only harmful ingredient in food. If the manufacturer has to pro- vide sodium content, why not require him to list every ingredient and specify which are detrimental to our health？ Cigarettes have a warning printed on them. Shouldn't the same type of warning appear on canned foods that are notoriously oversalted？
There are endless ifs and buts in the controversy, but the most telling of these is the questionable proof of salt's diabolic effect upon the blood pressure. True, people who cut their salt intake lowered their blood pressure but where is the scientific proof that something other than salt didn't to the trick？ The most common means of providing dubious proof that salt causes hypertension is to compare societies that use little salt with those that use mountains of salt in their daily diets. Which group has the higher rate of hypertension？ Whose blood pressure is lower？ What happens when salt is introduced into a group where salt is a novelty？ Does the blood pressure rise significantly？ Studies of the Japanese indicate that as the world's greatest salter, they suffer the most from hypertension. On the other hand, the simple, salt-free cuisine of several tribes in the Solomon Islands has kept older tribesmen and women from developing hypertension and high blood pressure, ailments traditionally killing their peers in America. No account is taken of the effects of inflation, recession, pollution, crime, and sundry other ills to which Americans, unlike people on primitive islands, are exposed.
To salt or not to salt？ That is the question. Now that the question had arisen, it must not be treated with levity but, rather, with searching scientific investigation so that those of us who are preoccupied with both savory food and longevity may decide which of the two is worth its salt.
Food manufacturers don't want to label packages with sodium content because______.
A．they disagree with the FDA
B．salt doesn't stick to potato chips
C．they would have to spend more money
D．it isn't important to single out salt
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