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有关结核杆菌引起的变态反应,下列叙述哪项是错误的?

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  • 【名词&注释】

    基本要求(basic requirements)、奋斗目标(struggle target)、结核杆菌(mycobacterium tuberculosis)、结节性红斑(erythema nodosum)、继续解放思想、建设小康社会(building a well-off society)、阳性反应(positive reaction)、坚定不移(constancy)、宏伟目标(grand goal)、唯心主义观

  • [单选题]有关结核杆菌引起的变态反应,下列叙述哪项是错误的?

  • A. 为身体组织对结核菌及其代谢产物产生的过敏反应
    B. 多发生于结核菌侵入人体后4~8周
    C. 局部可出现渗出性炎症,但不出现干酪样坏死
    D. 结核菌素试验呈阳性反应(positive reaction)
    E. 可出现皮肤结节性红斑

  • 查看答案&解析 点击获取本科目所有试题
  • 举一反三:
  • [多选题]急性坏死型胰腺炎的临床表现有
  • A. 血氧分压低于60mmHg
    B. 肠鸣音消失,高度腹胀
    C. 血钙升高
    D. 血、尿淀粉酶升高

  • [单选题]Text 2 To paraphrase 18th-century statesman Edmund Burke,“all that is needed for the triumph of a misguided cause is that good people do nothing.”One such cause now seeks to end biomedical research because of the theory that animals have rights ruling out their use in research. Scientists need to respond forcefully to animal rights advocates, whose arguments are confusing the public and thereby threatening advances in health knowledge and care. Leaders of the animal rights movement target biomedical research because it depends on public funding, and few people understand the process of health care research. Hearing allegations of cruelty to animals in research settings, many are perplexed that anyone would deliberately harm an animal. For example, a grandmotherly woman staffing an animal rights booth at a recent street fair was distributing a brochure that encouraged readers not to use anything that opposed immunizations, she wanted to know if vaccines come from animal research. When assured that they do, she replied,“Then I would have to say yes.”Asked what will happen when epidemics return, she said,“Don’t worry, scientists will find some way of using computers.”Such well-meaning people just don's understand. Scientists must communicate their message to the public in a compassionate, understandable way-in human terms, not in the language of molecular biology. We need to make clear the connection between animal research and a grandmother's hip replacement, a father's bypass operation a baby's vaccinations, and even a pet's shots. To those who are unaware that animal research was needed to produce these treatments, as well as new treatments and vaccines, animal research seems wasteful at best and cruel at worst.Much can be done. Scientists could“adopt”middle school classes and present their own research. They should be quick to respond to letters to the editor, lest animal rights misinformation go unchallenged and acquire a deceptive appearance of truth. Research institutions could be opened to tours, to show that laboratory animals receive humane care. Finally, because the ultimate stakeholders are patients, the health research community should actively recruit to its cause not only well-known personalities such as Stephen Cooper, who has made courageous statements about the value of animal research, but all who receive medical treatment. If good people do nothing there is a real possibility that an uninformed citizenry will extinguish the precious embers of medical progress.第46题:The author begins his article with Edmund Burke\'s words to
  • A. call on scientists to take some actions.
    B. criticize the misguided cause of animal rights.
    C. warn of the doom of biomedical research.
    D. show the triumph of the animal rights movement.

  • [单选题]垄断统治形成后,垄断与竞争的关系是
  • A. 垄断消除了竞争
    B. 垄断与竞争并存并使竞争更加剧烈
    C. 垄断削弱了竞争
    D. 垄断消除了竞争的资本主义性质

  • [单选题]请选择(2)处最佳答案( )。
  • A. confusedly
    B. cheerfully
    C. worriedly
    D. hopefully

  • [单选题]The underlined word “they” in the last paragraph refers to 。
  • A. criminals B.pigeons
    B. the stolen cars
    C. demands for money

  • [多选题]十七大报告要求我们坚定不移(constancy)地继续解放思想,坚定不移(constancy)地坚持改革开放,坚定不移(constancy)地推动科学发展、促进社会和谐,坚定不移(constancy)地实现全面建设小康社会的宏伟目标(grand goal),从而深刻揭示出了发展中国特色社会主义的( )
  • A. 思想保证
    B. 强大动力
    C. 基本要求
    D. 奋斗目标

  • [单选题]公众以存款形式持有出售国债的款项,则( )。
  • A. 基础货币成倍减少
    B. 基础货币等额减少
    C. 基础货币成倍扩张
    D. 基础货币等额扩张

  • [单选题]根据下面材料,回答第 21~25 题:Homework has never been terribly popular with students and even many parents, but in recent years it has been particularly scorned. School districts across the country, most recently Los Angeles Unified, are revising their thinking on his educational ritual. Unfortunately, L.
  • A. Unified has produced an inflexible policy which mandates that with the exception of some advanced courses, homework may no longer count for more than 10% of a student’s academic grade.
    B. This rule is meant to address the difficulty that students from impoverished or chaotic homes might have in completing their homework. But the policy is unclear and contradictory. Certainly, no homework should be assigned that students cannot do without expensive equipment. But if the district is essentially giving a pass to students who do not do their homework because of complicated family lives, it is going riskily close to the implication that standards need to be lowered for poor children.
    C. District administrators say that homework will still be a pat of schooling: teachers are allowed to assign as much of it as they want. But with homework counting for no more than 10% of their grades, students can easily skip half their homework and see vey little difference on their report cards. Some students might do well on state tests without completing their homework, but what about the students who performed well on the tests and did their homework? It is quite possible that the homework helped. Yet rather than empowering teachers to find what works best for their students, the policy imposes a flat, across-the-board rule.
    D. At the same time, the policy addresses none of the truly thorny questions about homework. If the district finds homework to be unimportant to its students’ academic achievement, it should move to reduce or eliminate the assignments, not make them count for almost nothing. Conversely, if homework does nothing to ensure that the homework students are not assigning more than they are willing to review and correct.
    E. Unified to do homework right.
    F. 第 21 题 It is implied in paragraph 1 that nowadays homework_____.
    G. [A] is receiving more criticism
    H. [B]is no longer an educational ritual
    I. [C]is not required for advanced courses
    J. [D]is gaining more preferences

  • [单选题]承认一切事物都是可以转化的观点是
  • A. 辩证唯物主义观点 B.一切唯物主义观点
    B. 一切唯心主义观点 D.某些唯心辩证法观点

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