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In a plausible but speculative scenario, oceanographer Douglas Martinson suggests that temperature increases caused by global warming would not significantly affect the stability of the Antarctic environment, where sea ice forms on the periphery of the continent in the autumn and winter and mostly disappears in the summer. True, less sea ice would form in the winter because global warming would cause temperatures to rise. However, Martinson argues, the effect of a warmer atmosphere may be offset as follows. The formation of sea ice causes the concentration of salt in surface waters to increase; less sea ice would mean a smaller increase in the concentration of salt. Less salty surface waters would be less dense and therefore less likely to sink and stir up deep water. The deep water, with all its stored heat, would rise to the surface at a slower rate. Thus, although the winter sea-ice cover might decrease, the surface waters would remain cold enough so that the decrease would not be excessive.
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当前版本由 长颈鹿在哪里呀 更新于2019-04-01 11:05:36 感谢由 长颈鹿在哪里呀 对此题目的解答所做出的贡献。
回到文中定位 The formation of sea ice causes the concentration of salt in surface waters to increase; less sea ice would mean a smaller increase in the concentration of salt.文中围绕着的就是含冰量与含盐度的关系，所以E选项正确。
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琉璃星
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今天也在备考
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原文中说的是虚拟语气：True, less sea ice would form in the winter because global warming would cause temperatures to rise. 将来的全球变暖会减少冰，但是A选项说的是has been declining 已经在减少了，所以不对
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这考的也太细节了 我晕
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[数学 ]【新版】冲分救命题 -12222
Three numbers are to be selected at random and without replacement from the five numbers 4, 5,7,8, and 11.What is the probability that the three numbers selected could be the lengths of the sides of a triangle?
[数学 ]【新版】冲分救命题 -12221
There are 5!. or 120. ways of arranging 5 different solid-colored flags side by side. If the colors of the flags are red, blue，yellow，green, and orange，how many of those arrangements have either the red fag or the blue flag in the middle position?
[数学 ]【新版】冲分救命题 -12220
k is randomly selected from the set of integers from 1 to 100, inclusive.
[数学 ]【新版】冲分救命题 -12219
REENA'S MOVIE COLLECTION The table above shows the number of movies in each genre in Reena's movie collection. If two different movies are to be selected at random from the collection. what is the probability that neither movie will be in the science fiction genre?
[数学 ]【新版】冲分救命题 -12218
Several 0 and 1 are arranged in a 10*10 palace as follows. Among all the number 0, what is the probability that they are arranged in both an odd row and an odd column? Give your answer as a fraction.
[数学 ]【新版】冲分救命题 -12217
There are 5!, or 120,ways of arranging 5 different solid-colored flags side by side. If the colors of the flags are red, blue,yellow, green, and orange,how many of those arrangements have either the red flag or the blue flag in the middle position?
[数学 ]【新版】冲分救命题 -12216
Pat has five matched pairs of socks and no two of the pairs are the same color. If Pat selects two socks simultaneously and at random, what is the probability that the two socks selected will be a matched pair.
[数学 ]【新版】冲分救命题 -12215
A box contains 100 purple balls, 100 red balls, and 100 white balls. What is the minimum number of balls that must be chosen to ensure that at least 4 of the balls chosen have the same color.
[数学 ]【新版】冲分救命题 -12214
The cast of a certain play has 2 male characters and 2 female characters. The director of the play will select the 2 male characters from 6 male actors and the 2 female characters from 8 female actors. How many different sets of 4 actors, consisting of 2 male actors and 2 female actors, are there that can be selected by the director?
[数学 ]【新版】冲分救命题 -12213
P is the set of all of all positive factors of 20, and Q is the set of all positive factors of 12. If a member of Pwill be chosen at random, what is the probability that the chosen member will also be member of Q .
[数学 ]【新版】冲分救命题 -12212
Average Per-Pupil Expenditures for the I0 Percent of School Districts State X That Had the Highest Expenditures (Group H) Compared to the 10 Percent of School Districts That had the Lowest Expenditures (Group L)
[数学 ]【新版】冲分救命题 -12211
Average Per-Pupil Expenditures for the 10 Percent of School Districts State X That Had the Highest Expenditures (Group H) Compared to the 10 Percent of School Districts That had the Lowest Expenditures (Group L)For the 1986-87 school year, the ratio of the average per-pupil expenditures or the Group L districts to the average for the Group H districts was closest to
[数学 ]【新版】冲分救命题 -12210
Average Per-Pupil Expenditures for the I0 Percent of School Districts State X That Had the Highest Expenditures (Group H) Compared to the 10 Percent of School Districts That had the Lowest Expenditures (Group L) From the 1979-80 school year to the 1989-90 school year, the average per-pupil expenditures for the Group L school districts increased by approximately.
[数学 ]【新版】冲分救命题 -12209
As a telephone salesperson, Kay made an average (arithmetic mean) of x sales calls per day for n consecutive days. On the next day, she made k sales calls. Which of the following represents the average number of sales calls per day for the n+1 days?
[数学 ]【新版】冲分救命题 -12208
Set S consists of 8 positive integrs,3 of which are even, Set T consists of all numbers of the form x+x2 ,where x is member of set S.
[数学 ]【新版】冲分救命题 -12207
Lists S and T each consist of 5 consecutive integers. The greatest integer in S is equal to the least integer in T.
[数学 ]【新版】冲分救命题 -12206
[数学 ]【新版】冲分救命题 -12205
List S : 1,2 ,3, k,2k If k< 2, which of the following numbers could be the median of the five numbers in list ? Indicate all such numbers.
[数学 ]【新版】冲分救命题 -12204
In 1990 approximately what percent of the total population of neighborhood was foreign-born with Europe as region of origin?
[数学 ]【新版】冲分救命题 -12203
A list of the names of the people of the entire 1990 foreign-born population in neighborhood was generated, with each person’s name appearing once. The names of 2 different people will be randomly selected from the list. Which of the following is closest to the probability that both names selected will be names of people whose region of origin was “Other”?
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