1. 48s training should improve safety. But accidents increase after the change in training programme. Solve: Many new unexpirienced workers joined the work in that month. B
2. 60s Manufacture says consumers can either choose either low- or high-nicotine cigarettes. But having either part of the cigarette can cause identical blood level. Solve: .. No idea B
3. 1:17 T.T paradox题是我的痛痛... R and G are both dried by water, and lose nothing. But R contains more iron per calorie than G. Solve: R loses more water than G. B
4.忘了计时...>< V monkeys use different alarm calls to show the coming of predators either from sky or from land. D
1.19s experts expect improvements in job safety training to lead to safer work environments. however,the fact during the 1980s countered the expectation the answer may be C ? Manufacturers tend to improve job safetytraining only after they have noticed that the number of on-the-job accidents has increased.
= = answer:B
2.33s smokers can choose whether low- or high-nicotine cigarettes they want however, the levels of nicotine found in the blood of smokers who smoke one pact of cigarettes per day are identical at the end of a day's worth of smoking i guess A. Blood cannot absorb more nicotine per day than that found in the smoke from a package of the lowest-nicotine cigarettes available.
3.34s (1)some sugar of grapes is caramelized during the drying. (2)some water evaporates during the drying.water contains no calories or nutrients. (3)nothing is added -------------raisins contain more iron per calorie than grapes do A. bigger-----irrelevant B. Caramelized sugar cannot be digested, so its calories do not count toward the calorie content of raisins. C. quickly-----irrelevant D. irrelevant E. other iron-containing foods-----irrelevant
4.15s Vervet monkeys use different alarm calls to warn differfent nearby predator that comes from land or from air explaination: D. Vervet monkeys avoid land-based predators by climbing trees but avoid predation from the air by diving into foliage.
2、Cigarette companies claim that manufacturing both low- and high-nicotine cigarettes allows smokers to choose how much nicotine they want. However, a recent study has shown that the levels of nicotine found in the blood of smokers who smoke one pact of cigarettes per day are identical at the end of a day's worth of smoking, whatever the level of nicotine in the cigarettes they smoke.
Which one of the following, if true, most helps to explain the finding of nicotine study?
A. Blood cannot absorb more nicotine per day than that found in the smoke from a package of the lowest-nicotine cigarettes available. B. Smokers of the lowest-nicotine cigarettes available generally smoke more cigarettes per day than smokers of high-nicotine cigarettes. C. Most nicotine is absorded into the blood of a smoker even if it is delivered in smaller quatities. D. The level of tar in cigarettes is higher in low-nicotine cigarettes
1.25s
BG: Experts say that training contributes to reduce the by-working accidents.
However: After a training program the accident rates increased
Resolve: There are other factors contribute to accident rate that year
没选对B,overall number of workers increased 自我检讨:读题不仔细,increase的不是rate是number,不然得不出正确答案了。
2. 45s
Cigarette manufacturer says they produce cigarette both of high nicotin and low nicotin for smokers to choose from.
But research shows that there is no difference in nicotin in body between people who smoke high nicotin and people who smoke low nicotin a pack cigarette per day.,
Resolve: Samples are not representative...好怂的答案
A 看到第一个觉得好有道理就选了。。清早起来shower之后还是走神是肿么回事。。。
3. 40s
Raisins are dried from grapes in the sun. Sugar are caramelized and only thing gone is water exvaporated.
But raisin is contains more iron per calorie than grape.
Resolve: Problem might be in the caramelized sugar??
B Bingo! However it's not that caramelized sugar generates more iron, but that caramelized suger cannot be counted in the overall calorie : Denominator is larger, numerator remains constant, then the rate becomes larger.
4. 20s
V monkeys use different alarm calls to warn their nearby monkeys to illustrate different predators from air or from land.
Resolve: They have to react different to predators from air and from land to survive.
D Yoooo!
1.0:32; 1:40
information 1:improvements in job safety training to lead to safer work environments.
information 2:the number of on-the-job accidents tended to increase in the months immediately following the changes in the training programs.
B.Manufacturers tend to improve their job safety training only when they are increasing the size of their workforce.
想不出,用排除法做的
2. 0:39;1:30
information 1: manufacturing both low- and high-nicotine cigarettes allows smokers to choose how much nicotine they want.
information 2:the levels of nicotine found in the blood of smokers who smoke one pact of cigarettes per day are identical at the end of a day's worth of smoking, whatever the level of nicotine in the cigarettes they smoke.
E. When taking in nicotine by smoking cigarettes is discontinued, the level of nicotine in the blood decreases steadily.
3.0:45;1:45
information:some of the sugar in the grapes is caramelized in the process, nothing is added.
information2:the only thing removed from the grapes is the water that evaporates during the drying, and water contains no calories or nutrients.
paradox:The fact that raisins contain more iron per calorie than grapes do
B. Caramelized sugar cannot be digested, so its calories do not count toward the calorie content of raisins.CDE都不是在讲raisins本身含铁多这件事
4.0:10;0:50
Vervet monkeys use different alarm calls to warn each other of nearbypredators, depending on whether the danger comes from land or from the air.
D. Vervet monkeys avoid land-based predators by climbing trees but avoid predation from the air by diving into foliage.