今天小编为大家准备的就是gre阅读真题解析，真题在gre阅读备考的时候无疑是最值得复习的资料，也是最值得考生准备的，今天小编为大家带来的就是gre阅读真题解析。
The surface of Venus calcite, a mineral that absorbs the gas sulfur dioxide. Sulfur
dioxide is often produced by volcanic activity and is plentiful in Venus’atmosphere, so
there must be a source, perhaps volcanic, producing sulfurdioxide on Venus.
1. Whichof the following is an assumption on which the argument depends?
A. In the recent past, the level of sulfur dioxide in Venus’ atmosphere was notmuch
higher than it is now.
B. If there is volcanic activity on the surface of Venus, it is not adequate tomaintain the
observed amount of sulfur dioxide in the atmosphere.
C. The sulfur dioxide in Venus’ atmosphere forms clouds that prevent direct observation of the surface.
D.Sulfur dioxide produced by volcanic activity on the Earth’s surface is also absorbed by minerals other than calcite.
E.The calcite on the surface of Venus is in sufficient supply to continue to absorb sulfur
for millions of years to come.
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