Search found 5 matches


RC: Caffeine, the stimulant in coffee

Caffeine, the stimulant in coffee, has been called “the most widely used psychoactive substance on Earth.” Snyder, Daly, and Bruns have recently proposed that caffeine affects behavior by countering the activity in the human brain of a naturally occurring chemical called adenosine. Adenosine normall...

by dangkhoa91

Thu Jun 18, 2020 6:28 am
Forum: Reading Comprehension
Topic: RC: Caffeine, the stimulant in coffee
Replies: 1
Views: 2265

Re: OG2016 A certain cultivated herb is one of a group of closel

Premise: 1. A certain herb can grown in mental-rich soil that is toxic 2. Study points out: This herb produces histidine - an amino acid that deactivates these mentals Conclusion: It is possible that this amino acid helps the herb thrive in such soil. How to evaluate the argument? B . Whether others...

by dangkhoa91

Thu Jun 18, 2020 2:09 am
Forum: Critical Reasoning
Topic: OG2016 A certain cultivated herb is one of a group of closel
Replies: 5
Views: 5328

Re: Last year Comfort Airlines had twice as many delayed flights

Premise: 1. Double the number of delayed flights 2. Triple the number of complaints => We may expect that the complaints are due to some other reason such as the quality of service. But: given the fact that the airline has attempted to improve its service quality, this reason is unlikely. Therefore,...

by dangkhoa91

Thu Jun 18, 2020 1:07 am
Forum: Critical Reasoning
Topic: Last year Comfort Airlines had twice as many delayed flights
Replies: 1
Views: 1366

RC: How many really suffer as a result of labor market problems?

How many really suffer as a result of labor market problems? This is one of the most critical yet contentious social policy questions. In many ways, our social statistics exaggerate the degree of hardship. Unemployment does not have the same dire consequences today as it did in the 1930’s when most ...


Re: Many winemakers use cork stoppers

Many winemakers use cork stoppers; but cork stoppers can leak, crumble, or become moldy, so that those winemakers must often discard a significant proportion of their inventory of bottled wine. Bottlemaster plastic stoppers, which cannot leak, crumble, or mold, have long been available to winemakers...

by dangkhoa91

Thu Jun 11, 2020 4:16 am
Forum: Critical Reasoning
Topic: Many winemakers use cork stoppers
Replies: 3
Views: 1613