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C: C is an incompetent detective
P: C solved a smaller percentage of the cases in last three yrs than others
Guess: quantity can’t equal to quality. Maybe those cases C solved are big cases, while ohters’ are small cases.
a) Similar with the guess, correct
b) Irrelevant.
c) Irrelevant
d) Irrelevant, only shows that the number of cases C solved is small
e) Irrelevant
bg: f were first found in the lab, F have been found in nature
P; f require distinctive conditions of T and P
C: the discovery can be used to evaluate the state of the Earth’s crust at the time f were formed
Guess: the condition in lab is different with condition in Earth crust
a) Irrelevant, only emphasize that the experiment is careful
b) F also found in meteorite. It means the condition they evaluate in the lab may refer to the meteorite, not the earth crust. correct
c) Explain the form of ms, irrelevant
d) Explain the structure of f, irrelevant
e) Explain the condition that s is formed, irrelevant
Bg: elderly person injured from falling cost 11000. A new program can reduce the chance of falling.
P: the cost of the program is 12500
C: the program is not justified
Guess: elderly people may fall more than one more time. And the number of falling maybe larger than the number of program conduction
a) The number of fall even higher after program. Strengthen
b) Explain the nursing home is better, irrelevant
c) The long-term pain in falls is not counted in treatment. It means that the actual cost is more than 11000. correct
d) Explain why program focus on therapies. Irrelevant
e) The program’s cost of visits by professionals is increasing. Strengthen.
Bg: pv live in family, including 2 or more litters.
C: V live in large group from late autumn to winter; live in small group from spring to autumn
P: is related to the mortality among young v
Guess: the predator of v is in large number in spring. The food of young v is less in spring.
a) in spring the proportion of young v is high. Irrelevant
b) population vary year to year, but the question is focus on seasons, irrelevant
c) the food is abundant in spring, is contradictory to the passage, weaken.
d) Only explain winter habitat, can’t see the difference among seasons. Irrelevant
e) Correct
Bg: a beach had a dolphin feeding program to give dolphin fish.
C: the offspring of the first benefit dolphin have a lower life span than wild dolphin
Ask p?
Guess: fed dolphin lose the ability to catch fish, and can’t live in the ocean.
a) Predator are less common in the open seas off the beach. Conflict to conclusion. Weaken.
b) Fed dolphin are most female and nurse offspring at the beach. Irrelevant
c) Fish given and fish in the sea are the same. Irrelevant.
d) Dolphin come to beach a few times a month. Irrelevant
e) correct
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