2. 考研
  3. The author of the passage is primarily concerned with______. According to the passage, incomplete combustion is more likely to

The author of the passage is primarily concerned with______. According to the passage, incomplete combustion is more likely to

admin2010-06-17  101
问题 The author of the passage is primarily concerned with______.
According to the passage, incomplete combustion is more likely to occur with gasoline than with an alternative fuel because______.
选项 A、the combustion of gasoline releases photo-chemically active hydrocarbons
B、the combustion of gasoline involves an intricate series of reactions
C、gasoline molecules have a simple molecular structure
D、gasoline is composed of small molecules
答案B
解析 细节题。题意为："根据本文，汽油比其他燃料更可能燃烧不充分，因为______"。第二段谈到汽油的分子大于其他燃料的分子，而大分子的燃烧涉及更复杂的系列反应增加了不完全燃烧的可能性。所以答案选项正确。
转载请注明原文地址:https://kaotiyun.com/show/Qf44777K
0

考研英语一

相关试题推荐
随机试题
最新回复(0)