What does Mr．Putnam's finding about test scores suggest? -考呗网题库移动版

单选题
What does Mr．Putnam's finding about test scores suggest?

A．Students from rich families don't need to study hard.
B．Parental education affects kids' academic results greatly.
C．Kids in poor families can hardly graduate from colleges.
D．Family background can make up for academic flaws.

参考答案B

解析:
。定位：根据题干中的Mr．Pumam’s和test scores定位到第五段：Stunningly，Mr．Pumam finds that family background is a better predictor of whether or not a child will graduate from university than 8th-grade test scores．Kids in the richest quarter with low test scores are as likely to make it throuugh college as kids in the poorest quarter with mgh scores．
详解:推理判断题。该段首句指出，家庭背景比八年级测验分数更能准确地预测一个孩子是否能够从大学毕业，并在后一句中具体解释说富裕家庭的孩子即使分数不高，也与贫困家庭分数高的孩子一样有机会从大学毕业。结合上面两段对不同阶层参与教育和教育方式的差别可知，这能够反映出父母的家庭教育对孩子学业成绩的影响，故答案为B.。A.“来自富裕家庭的孩子不必努力学习”，第五段第二句虽然提到考试成绩不及贫困家庭孩子的富裕家庭的学生也有机会从大学毕业，但这主要是说明家庭教育的影响，而不是说他们可以不努力读书，故排除；C.“贫困家庭的孩子几乎很难从大学毕业”，文章并没有比较两种家庭孩子大学毕业的整体情况，更没有说贫困家庭的孩子难以大学毕业，故排除；D．“家庭背景可以弥补学业上的不足”，该句似是而非，原文实际上是说家庭教育可以帮助学生提高学业水平，而不是直接弥补学业上的不足，故排除。

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单选题
In the passage, the author mainly discusses__________

A．how parents should bring up their children
B．how family background influences schooling
C．what the greatest barrier to social mobility is
D．various classes educate kids differently

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单选题 Questions are based on the following passage.
Everyone arriving at a hospital's emergency room ( ER)' wishes to be seen quickly, but for stroke patients it can be a matter of life or death．The most common stroke involves a blood clot blocking vessels in the brain, killing brain cells nearby almost immediately．Luckily, an effective treatment exists．Thrombolytic (溶解血栓的) therapy uses drugs to dissolve the clot and restore the flow of blood．If started within a couple of hours of a stroke occurring, it can limit brain damage and reduce long-term disability．Neurologists even have a catchphrase for this: "time is brain".
Understandably, hospitals strive to identify stroke cases and administer such medication without delay．A key step is using a computed tomography (CT) scanner to ensure that there has been no bleeding in the brain, in which case thrombolytic drugs would make things worse．The last couple of decades have seen many innovations in reducing this "time to CT".
But in shaving seconds from medical procedures, researchers may have neglected something more important:, the human element．Gal Ifergane, a neurologist at Soroka University Medical Centre in southern Israel, noticed that stroke patients who were accompanied to the ER by friends or family seemed to fare better than those who arrived alone．So for 15 months, ER staff at Soroka recorded the number of companions escorting each stroke sufferer, over 700 in all, and tracked their progress.
The results, recently published in Medicine, tell a striking story．Stroke victims arriving with someone were more than twice as likely to be correctly diagnosed by the triage nurse, and had their CT scans performed earlier．Patients eligible for clot-busting medication also received it much faster if accompanied, although their numbers were too few for the researchers to be sure it was because they had company．The differences were far from trivial．Patients with one companion had CT scans an average of 15 minutes sooner than those unaccompanied．A second companion shaved a further 20 minutes off the walt, although three or more companions did not confer any additional benefit.
Dr．ffergane did not record who the companions were, however, or how they were able to reduce delays．He believes that it is probably a combination of focusing the attention of clinical staff on their loved ones, and providing basic care such as helping to move patients into bed.
Dr．ffergane admits that his study has limitations．The sample size was rather small and his findings may reflect cultural norms in Israel that do not apply elsewhere．But he has already tried to make changes in the way the Soroka University Medical Centre operates．"We asked our security team to allow two people to come in with stroke patients rather than just one," he says．"And we now consider stroke patients who are coming alone as a group at risk．"
Dr．Ifergane also recommends that ERs provide a friendly "stroke liaison" to accompany lone patients during the diagnostic and treatment processes．Something other hospitals might think about, too.
What does the author mean by "time is brain" ?

A．Time is almost as precious as brain.
B．Brain damage should be repaired soon.
C．Doctors need time to study brain.
D．Stroke need to be treated in the shortest time..

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单选题
Which of the following statements is true about "time to CT" ?

A．It helps to make accurate diagnoses.
B．It is significant to lives of stroke patients.
C．It may simplify the medical procedures.
D．It is often neglected by the researchers.

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