[原创]一点微薄的回报760--9日加几题CR

ddcat910

第一题：对于任意大于2的integer，集合（n+1,n+2,n+3,n+4,n+5,n+6）中最多可以有几个质数？

2(IF N>2)/3(IF N+1>2)

不知道题目是否交代了N的情况？

 

mymengming

以下是引用ddcat910在2006-8-9 6:05:00的发言：

第一题：对于任意大于2的integer，集合（n+1,n+2,n+3,n+4,n+5,n+6）中最多可以有几个质数？

2(IF N>2)/3(IF N+1>2)

不知道题目是否交代了N的情况？

 

题目是对的

无比

顶~

laughing_rat

以下是引用dododogpp在2006-8-9 3:47:00的发言：

对啊，希望LZ能把具体的出现的CR题贴出来分享一下，我12号就考了，最没底的就是CR。谢谢先，鞠躬了。

今天找了一下XYGWD，发现两题碰到的CR，又回忆起一题，供大家参考。

某地，M类作物供应商—农民—认为对于买家来说，M类作物中的A作物是最受欢迎的，因为在当地最大的饭店的出售量中，A作物占了10%。问assumption.

1，            此饭店只出售M类作物。

2，            饭店主要把A作物卖给某一类人。

3，            饭店卖的其他M类作物的份额都在10%以下。

答案：3

天山-7-11

In 1992 outlaw fishing boats began illegally harvesting lobsters from the territorial waters of the country of Belukia. Soon after, the annual tonnage of lobster legally harvested in Belukian waters began declining; in 1996, despite there being no reduction in the level of legal lobster fishing activity, the local catch was 9,000 tons below pre-1992 levels. It is therefore highly likely that the outlaw fishing boats harvested about 9,000 tons of lobster illegally that year.

 

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

 A,

The illegal lobster harvesting was not so extensive that the population of catchable lobsters in Belukia’s territorial waters had sharply declined by 1996

B,The average annual lobster catch, in tons, of an outlaw fishing boat is has increased steadily since 1992.

C,Outlaw fishing boats do not , as a group, harvest more lobsters than do licensed lobster-fishing boats.

D,The annual legal lobster harvest in Belukia in 1996 was not significantly less than 9,000 tons.

E,A significant proportion of Belukia’s operators of licensed lobster-fishing boats were out of business between 1992 and 1996

T-9-25.
                    

Scientists typically do their most creative work before the age of forty. It is commonly thought that this happens because aging by itself brings about a loss of creative capacity. However, a study has found that almost all scientists who produce highly creative work beyond the age of forty entered their fields late and less than a dozen years before their creative breakthroughs. Since creative breakthroughs by scientists under forty also generally occur within a dozen years of the scientists’ entry into the field, the study’s finding strongly suggests that the real reason why scientists over forty rarely produce highly creative work is not due to age but rather because most have spent too long in their fields.

 

In the argument given, the two portions in boldface play which of the following roles?

 

1. The first is the position that the argument as a whole depends; the second is evidence that is advanced as part of that evidence.

2. The first and second are both claims that have been advanced in support of a position that the argument as a whole opposes.

3. The first is an explanation that the argument challenges; the second provides evidence in support of a competing explanation that the argument defends.

4. The first is an explanation that the argument challenges; the second is evidence that has been used against an alternative explanation that the argument defends.

5. The first is an explanation that the argument defends; the second is evidence that has been used to challenge that explanation.

 请注意：我碰到的那题和这题题干是一样的，但粗体部分变了，选项也变了，不过我想只要搞清楚那两句话的关系以及作者态度就没问题。上面的选项是天山的原题，不适用于粗体部分，具体大家自己比较。

mymengming

顶,多谢楼主

好人

mymengming

Scientists typically do their most creative work before the age of forty.(现象) It is commonly thought that this happens because aging by itself brings about a loss of creative capacity.(被反驳的结论) However, a study has found that almost all scientists who produce highly creative work beyond the age of forty entered their fields late and less than a dozen years before their creative breakthroughs.(反驳得论据) Since creative breakthroughs by scientists under forty also generally occur within a dozen years of the scientists’ entry into the field,(论证) the study’s finding strongly suggests that the real reason why scientists over forty rarely produce highly creative work is not due to age but rather because most have spent too long in their fields.(结论)

晕,好像没有答案

NN帮忙 

laughing_rat

以下是引用pigy75760305在2006-8-9 13:45:00的发言：

这道题我刚刚做到，应该是涛涛gwd29-40，贴出来，楼主帮确认一下

Q40:

Mice that have been given morphine are very likely to develop blood poisoning because bacteria that normally reside in the intestine typically respond to morphine by migrating into the bloodstream.  However, when mice are given both morphine and the new drug naltrexone, blood poisoning is much less frequent, although it does still occur.  These results provide support for researchers’ prediction that naltrexone will turn out to be toxic to certain types of bacteria.

                                  

Which of the following, if discovered to be true, would most seriously weaken the support for the researchers’ prediction?

 

 

1. After being administered to mice, naltrexone does not pass from the bloodstream into the intestine.

2. Naltrexone inhibits morphine from triggering the migration of intestinal bacteria into the bloodstream.

3. Mice that have been given naltrexone but not morphine have no greater risk of developing blood poisoning than do mice that have not been given either substance.

4. The increased risk of blood poisoning is not the only harmful effect on mice of being given morphine.

5. Conditions other than the presence of intestinal bacteria in the bloodstream can cause blood poisoning in mice.

  答案是b

哦，我考试之前做的是XYGWD，所以没见过这题。内容应该一样，不过我做的没有提到小老鼠就是了。

laughing_rat

以下是引用mymengming在2006-8-9 13:27:00的发言：

Scientists typically do their most creative work before the age of forty.(现象) It is commonly thought that this happens because aging by itself brings about a loss of creative capacity.(被反驳的结论) However, a study has found that almost all scientists who produce highly creative work beyond the age of forty entered their fields late and less than a dozen years before their creative breakthroughs.(反驳得论据) Since creative breakthroughs by scientists under forty also generally occur within a dozen years of the scientists’ entry into the field,(论证) the study’s finding strongly suggests that the real reason why scientists over forty rarely produce highly creative work is not due to age but rather because most have spent too long in their fields.(结论)

晕,好像没有答案

NN帮忙 

的确没有答案啊，因为原题的粗体部分不是这样的。请参考天山原题。我贴出来的是考的时候的题干，选项忘了，就把天山原题的选项搞上去了，不好意思。