问答

0评分
827浏览

[Undefined]Issue Essay

Analytical!
plums are 75% water. prunes are 15% water. how much water must be evaporated for x kg of prunes? 这是我今天考场上的题,好像做错了。我乱选了(85x/15) 其他选项有各种 25x/85,15x/75什么的。应该怎么做?
1评分
820浏览

[Undefined]Issue Essay

Analytical!
老师您好,我看了您明星课上给的题目答案过程,但是还是不太清楚自己的过程哪里出错了。能麻烦您解释一下吗?谢谢! (我用紫色笔框出了我的解题过程)
0评分
809浏览

[Undefined]Critical Reasoning

Although fullerenes--spherical molecules made entirely of carbon--were first found in the laboratory, they have since been found in nature, formed in fissures of the rare mineral shungite.  Since laboratory synthesis of fullerenes requires distinctive conditions of temperature and pressure, this discovery should give geologists a test case for evaluating hypotheses about the state of the Earth's crust at the time these naturally occurring fullerenes were formed.
 
Which of the following, if true, most seriously undermines the argument?
每日一题
0评分
809浏览
0评分
798浏览

[Undefined]Critical Reasoning

Finding of a survey of Systems magazine subscribers:  Thirty percent of all merchandise orders placed by subscribers in response to advertisements in the magazine last year were placed by subscribers under age thirty-five.
 
Finding of a survey of advertisers in Systems magazine:  Most of the merchandise orders placed in response to advertisements in Systems last year were placed by people under age thirty-five.
 
For both of the findings to be accurate, which of the following must be true?
每日一题
0评分
794浏览

[OG18]Sentence Correction

Gusty westerly winds will continue to usher in a seasonably cool air mass into the region, as a broad area of high pressure will build and bring fair and dry weather for several days.
这道题选了c,想问e中的which指代了谁?
0评分
787浏览

[Undefined]Issue Essay

Analytical!
老师您好,我想问一下这道题E为什么有利于支持文中观点?
0评分
773浏览

[Undefined]Issue Essay

Analytical!
第二个式子,我认为是 n=100K+67, 为什么是n=100k+63
0评分
768浏览
0评分
766浏览

[Undefined]Issue Essay

Analytical!
老师,数学基础课这题 在可重复使用letter时,为什么在two letter code时不用✖️A[2,2],在three letter code时 不用✖️A[3,3]呢? 我是知道 当需要“选,拿,取”时,我们要用C,;但是我对具体什么时候需要用到A 还是有些模糊。能不能麻烦老师您解释一下我们什么时候会用到A?特别是在我们已经用到C后,什么时候需要在C基础上 再✖️A(e.g. C[3,26]✖️A[3,3])? 谢谢!
0评分
18浏览

[Undefined]Issue Essay

Analytical!
麻烦唐瑭老师讲解一下 这道题AC选项以及为什么定位最后一句可以的到A 谢谢~
0评分
22浏览

[Undefined]Sentence Correction

A wildlife expert predicts that the reintroduction of the caribou into northern Minnesota would fail if the density of the timber wolf population in that region is more numerous than one wolf for every 39 square miles.
老师,请问B选项是怎么排除的?我理解是“密度超过每39平方英里就有一头狼”,B没有涉及任何形容词修饰density的问题。
0评分
30浏览

[OG20]Critical Reasoning

Cognitive scientist: Using the pioneering work of comparative psychologist Gordon Gallup as a model, several studies have investigated animals’ capacity for mirror self-recognition (MSR). Most animals exposed to a mirror respond only with social behavior, such as aggression. However, in the case of the great apes, repeated exposure to mirrors leads to self-directed behaviors, such as exploring the inside of the mouth, suggesting that these animals recognize the reflection as an image of self. The implication of these studies is that the great apes have a capacity for self-awareness unique among nonhuman species.

The cognitive scientist makes which of the following assumptions in the argument above?

請問金老師,我有看到有人對B是用取非的方式做,但看完還是有些不理解,題目說其他動物沒有MSR,然後猩猩有MSR,所以作者推論他有自我認知。對B選項取非,就變成有動物沒有MSR,卻有自我認知,所以這樣就駁斥掉原文,請問這樣理解是否正確?另外可以請老師示範E選項的取非嗎?
0评分
26浏览

[OG19]Critical Reasoning

Plant scientists have used genetic engineering on seeds to produce crop plants that are highly resistant to insect damage. Unfortunately, the seeds themselves are quite expensive, and the plants require more fertilizer and water to grow well than normal ones. Accordingly, for most farmers the savings on pesticides would not compensate for the higher seed costs and the cost of additional fertilizer. However, since consumer demand for grains, fruits, and vegetables grown without the use of pesticides continues to rise, the use of genetically engineered seeds of this kind is likely to become widespread.

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

請問金老師,這題我選了A檢討後確實覺得C比較好,但我是看第二個黑底字判斷的,因為第二個後面有however,所以後面才是結論,但是第一個黑體字A說他是context是不是也可以?然後B的第二個黑體字麻煩可以解釋一下錯在哪嗎?
0评分
72浏览

[Undefined]Issue Essay

Analytical!
麻烦金老师讲一下这题C选项,分号后面的句子中is算不算谓语? 再麻烦老师讲一下这句话意思 谢谢~
0评分
130浏览

[Undefined]Issue Essay

Analytical!
麻烦老师分析一下这道bf题 谢谢~
0评分
36浏览

[OG19]Critical Reasoning

The heavy traffic in Masana is a growing drain on the city's economy—the clogging of the streets of the central business district alone cost the economy more than $1.2 billion over the past year. In order to address this problem, officials plan to introduce congestion pricing, by which drivers would pay to enter the city's most heavily trafficked areas during the busiest times of the day.

Which of the following, if true, would most strongly indicate that the plan will be a success?

想问下老师这个题C为啥是对的呢 我选了B 反思了一下 觉得B没有说方案实施之后的影响 但是C是不是也用了类比 难道不算主观判断吗?
0评分
142浏览

[Undefined]Issue Essay

Analytical!
请老师解答一下这个ir题,感觉像加速度有关的物理题,但我忘记公式了
0评分
147浏览

[Undefined]Issue Essay

Analytical!
请老师在纸上写一下这道题的过程,谢谢!
0评分
34浏览

[Undefined]Critical Reasoning

Veterinarians generally derive some of their income from selling several manufacturers' lines of pet-care products. Knowing that pet owners rarely throw away mail from their pet's veterinarian unread, one manufacturer of pet-care products offered free promotional materials on its products to veterinarians for mailing to their clients. Very few veterinarians accepted the offer, however, even though the manufacturer's products are of high quality.

Which of the following, if true, most helps to explain the veterinarians' reaction to the manufacturer's promotional scheme?
請問金老師,這題錯選了E,因為一開始讀完題目我覺得會拒絕的原因是獸醫不想讓顧客用別人的產品,而要用自己的產品,所以我看到E,他說獸醫會建議顧客用特製的產品(我想說特製不就是獸醫自己調配), 我覺得我的問題是不是把特製的產品和獸醫自家的產品混為一談。然後可以麻煩講一下C的思路
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