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jjyune

LZ写得太好了

我喜欢你五彩缤纷的那几个大字，另外也喜欢你的签名，呵呵，很投入的MM!!加油！！！

excellor

53 医患比例

某个地方医生和病人的比例是1:6,希望将此比例提高到1:5，但是本地已没有多余的医生了，因此，临近的地方的医生会到这里工作。问削弱：

 

迷惑选项：临近的地方也缺医生；

我选：医院可以通过减少病人住院的时间将比例提高到1:5

这道题我有点疑问。‘临近地方的医生会到此地工作’是结论。如果问削弱结论应该是临近地方也缺医生。  基金提供者的答案会影响医患比例，但不会直接影响结论。可能前提表述不是很清楚，我觉得考试时要看清楚再答。

excellor

58 题找到原题

11.        (24915-!-item-!-188;#058&001837)

 

Radio stations with radio data system (RDS) technology broadcast special program information that only radios with an RDS feature can receive.  Between 1994 and 1996, the number of RDS radio stations in Verdland increased from 250 to 600.  However, since the number of RDS-equipped radios in Verdland was about the same in 1996 as in 1994, the number of Verdlanders receiving the special program information probably did not increase significantly.

 

Which of the following is an assumption on which the argument depends?

 

(A) Few if any of the RDS radio stations that began broadcasting in Verdland after 1994 broadcast to people with RDS-equipped radios living in areas not previously reached by RDS stations.

(B) In 1996 most Verdlanders who lived within the listening area of an RDS station already had a radio equipped to receive RDS.

(C) Equipping a radio station with RDS technology does not decrease the station's listening area.

(D) In 1996 Verdlanders who did not own radios equipped to receive RDS could not receive any programming from the RDS radio stations that began broadcasting in Verdland after 1994.

(E) The RDS radio stations in Verdland in 1996 did not all offer the same type of programming.

--》A

marymary

52 睡觉与某化学物质分泌的关系

The chemical adenosine is released by brain cells when those cells are active. Adenosine then binds to more and more sites on cells in certain areas of the brain, as the total amount released gradually increases during wakefulness. During sleep, the number of sites to which adenosine is bound decreases. Some researchers have hypothesized that it is the cumulative binding of adenosine to a large number of sites that causes the onset of sleep.

Which of the following, if true, provides the most support for the researchers’ hypothesis?

A. Even after long periods of sleep when adenosine is at its lowest concentration in the brain, the number of brain cells bound with adenosine remains very large.

B. Caffeine, which has the effect of making people remain wakeful, is known to interfere with the binding of adenosine to sites on brain cells.

C. Besides binding to sites in the brain, adenosine is known to be involved in biochemical reactions throughout the body.

D. Some areas of the brain that are relatively inactive nonetheless release some adenosine.

E. Stress resulting from a dangerous situation can preserve wakefulness even when brain levels of bound adenosine are high.

 

answer is A or c????????

[此贴子已经被作者于2009-2-23 19:26:51编辑过]

lyue2009

十分感谢

lyue2009

52 睡觉与某化学物质分泌的关系  感觉是A，C有涉及其他无关信息。。。

[此贴子已经被作者于2009-2-24 4:57:23编辑过]

sissilol

52 睡觉与某化学物质分泌的关系

这题不是B吗？

B.. Caffeine, which has the effect of making people remain wakeful, is known to interfere with the binding of adenosine to sites on brain cells.

guting109

以下是引用sissilol在2009-2-24 19:59:00的发言：

52 睡觉与某化学物质分泌的关系

这题不是B吗？

B.. Caffeine, which has the effect of making people remain wakeful, is known to interfere with the binding of adenosine to sites on brain cells.

恩 刚刚已经在JJ里强调了~是B~

sissilol

谢谢LZ哈^^