为毛看到的题目都是Q51……泪奔！Q49 V41 吐血放狗-持续更新

chinamerica

verbal很牛～  谢谢分享！


btw, 底2个落记貌似是gwd原题

GWD28-Q19:
Plankton generally thrive in areas of the ocean with sufficient concentrations of certain nitrogen compounds near the surface, where plankton live.  Nevertheless, some areas, though rich in these nitrogen compounds, have few plankton.  These areas have particularly low concentrations of iron, and oceanographers hypothesize that this shortage of iron prevents plankton from thriving.  However, an experimental release of iron compounds into one such area failed to produce a thriving plankton population, even though local iron concentrations increased immediately.
Which of the following, if true, argues most strongly against concluding, on the basis of the information above, that the oceanographers’ hypothesis is false?
A.    Not all of the nitrogen compounds that are sometimes found in relatively high concentrations in the oceans are nutrients for plankton.
B.    Certain areas of the ocean support an abundance of plankton despite having particularly low concentrations of iron.
C.    The release of the iron compounds did not increase the supply of nitrogen compounds in the area.
D.    A few days after the iron compounds were released, ocean currents displaced the iron-rich water from the surface.
E.    The iron compounds released into the area occur naturally in areas of the ocean where plankton thrive.

BlackTTea

牛人~。。

arthur7997

恩，那个逻辑应该GWD原题，答案也是D，加进去的铁都被海水冲走了

lpilikeit

楼主你说jj上的数学一题没遇 可是你给的狗狗都是jj上的。。。orz

sylviesai

为啥莫我都没有看到！！

sylviesai

楼主你说jj上的数学一题没遇 可是你给的狗狗都是jj上的。。。orz

-- by 会员 lpilikeit (2010/10/28 0:08:59)

为啥莫我什么都没看到……我看了100多道呢……

sylviesai

verbal很牛～  谢谢分享！


btw, 底2个落记貌似是gwd原题

GWD28-Q19:
Plankton generally thrive in areas of the ocean with sufficient concentrations of certain nitrogen compounds near the surface, where plankton live.  Nevertheless, some areas, though rich in these nitrogen compounds, have few plankton.  These areas have particularly low concentrations of iron, and oceanographers hypothesize that this shortage of iron prevents plankton from thriving.  However, an experimental release of iron compounds into one such area failed to produce a thriving plankton population, even though local iron concentrations increased immediately.
Which of the following, if true, argues most strongly against concluding, on the basis of the information above, that the oceanographers’ hypothesis is false?
A.    Not all of the nitrogen compounds that are sometimes found in relatively high concentrations in the oceans are nutrients for plankton.
B.    Certain areas of the ocean support an abundance of plankton despite having particularly low concentrations of iron.
C.    The release of the iron compounds did not increase the supply of nitrogen compounds in the area.
D.    A few days after the iron compounds were released, ocean currents displaced the iron-rich water from the surface.
E.    The iron compounds released into the area occur naturally in areas of the ocean where plankton thrive.

-- by 会员 chinamerica (2010/10/27 23:26:24)

就是这道题，不是一直说GWD不靠谱么……我同学还叫我不要做……我就只做了几套……哎

jerez

V41..神啊我要膜拜。。
介绍经验啊牛牛

jenny1989

书的出版时间？ 还有具体的嘛？

sylviesai

书的出版时间？ 还有具体的嘛？

-- by 会员 jenny1989 (2010/10/28 9:52:21)

这个是我突然想起来的，怕自己忘记了，就写一下备忘……