土地革命战争时期，毛泽东指出：“一国之内，在四周白色政权的包围下，有一小块或若干小块红色政权的区域长期地存在， 这是世界各国从来没有的事。这种奇事的发生， 有其独特的原因。”红色政权能够存在和发展的根本原因是：
A. 中国是一个经济政治发展极端不平衡的半殖民地半封建大国
B. 国民革命的正影响及良好的群众基础
C. 全国革命形势的继续发展
D. 相当力量的正式红军的存在以及共产党组织的坚强有力和正确领导
查看答案
It can be inferred from the passage that the author would MOST likely agree with which of the following statements concerning the scientific method
A. Scientific skepticism requires that no experiment should be considered valid if it produces experimental errors.
B. Theories should not be revised in any significant way in the absence of strong experimental evidence of a phenomenon they fail to explain.
C. Misinterpretations of experimental data always ensue from the "optimization" of experimental apparatus.
D. Sound experiments tend to produce experimental errors that are distributed in one direction or the other of the measurement scale, but not both.
E. Large revisions in experimental physical theories should not occur simply in the face of "miracles".
The author argues that aesthetic creation is useful to an understanding of the visual brain because it
A. allows abstract ideas to mutate into new and hitherto untested forms
B. helps scientists synthesize several distinct views of the operation of the brain
C. manifests in an observable form the laws by which the brain functions
D. subordinates the particular to the general, streamlining the artistic process
E. establishes the constant and essential properties of objects and surfaces
从中短期来看，决定证券的市场交易价格的主要因素是( )。
A. 内在价值
B. 供求关系
C. 企业的税后利润
D. 国家总的经济环境
The author's attitude toward chemists' usage of simple reagent designs can best be described as
A. critical and admonitory
B. unconvinced but optimistic
C. laudatory and invested
D. interested but neutral
E. cautiously supportive
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