【G盟阅读】--G10奋斗社主题活动系列三（祝愿所有10.22日G考的朋友凯旋归来！）

hanhan_CUID: 2108176

先发一个问题:
no4-3section2 短文章18题,定位准确,但是对这句话没理解亚
The average density of interstellar material in the vicinity of our Sun is 1,000 to 10,000 times less than the best terrestrial laboratory vacuum.
对这句话如何理解?

hanhan_CUID: 2108176

polymathUID: 179557

Originally posted by hanhan_C at 2005-8-27 17:44

谢谢提供消息!you are kindhearted!:handshake

lingli_xiaoaiUID: 172506

Originally posted by hanhan_C at 2005-8-27 17:44
先发一个问题:
no4-3section2 短文章18题,定位准确,但是对这句话没理解亚
The average density of interstellar material in the vicinity of our Sun is 1,000 to 10,000 times less than the best terrestria ...

太阳系空间物质平均密度比实验室里面能达到的真空的最低密度,还低一千到十万倍.

polymathUID: 179557

感谢xiaoai斑斑的热 参与!鼓掌哦!:p

hanhan_CUID: 2108176

lingli_xiaoaiUID: 172506

我没有说这个,我这边没有题,我只是翻译了这个句子.

hanhan_CUID: 2108176

The dark regions in the starry night sky are not pockets in the universe that are devoid of stars as had long been thought. Rather, they are dark because of interstellar dust that hides the stars behind it. Although its visual effect is so pronounced, dust is only a minor constituent of the material, extremely low in density, that lies between the stars. Dust accounts for about one percent of the total mass of interstellar matter. The rest is hydrogen and helium gas, with small amounts of other elements. The interstellar material, rather like terrestrial clouds, comes in all shapes and sizes. The average density of interstellar material in the vicinity of our Sun is 1,000 to 10,000 times less than the best terrestrial laboratory vacuum. It is only because of the enormous interstellar distances that so little material per unit of volume becomes so significant. Optical astronomy is most directly affected, for although interstellar gas is perfectly transparent, the dust is not.18.       
It can be inferred from the passage that the density of interstellar material is
(A) higher where distances between the stars are shorter
(B) equal to that of interstellar dust
(C) unusually low in the vicinity of our Sun
(D) independent of the incidence of gaseous components
(E) not homogeneous throughout interstellar space

lingli_xiaoaiUID: 172506

E,明显是对的啊.你看我写中文
低一千到一万倍,就说明,这个密度是变化的,不然就没有最高和最低的区别了.

[ Last edited by lingli_xiaoai on 2005-8-27 at 23:24 ]

hanhan_CUID: 2108176

Frieda_okUID: 195764

请问一下,杨继那本GRE阅读书里的那些文章在那里有题,那本书上只是中文解释和翻译

蝴蝶结UID: 195566

那些好象是国内题

lingli_xiaoaiUID: 172506

对应GRE真题,相应的年份的题.

Frieda_okUID: 195764

谢谢楼上两位了,
还想问一下,寄托上的NO题有必要作吗?不是说是八十年代的吗,并且好多呀

lingli_xiaoaiUID: 172506

我自己全部做了.