题目内容

According to the passage, which of the following is true about explosions in space? I. A lack of matter in space allows the energy from an explosion to travel very quickly. II. An explosion in space would be visible as a flash of bright light. III. Shock waves created by an explosion in space would cause an audible "boom."

A. I only
B. II only
C. I and II only
D. II and HI only
E. I, II, and III

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The author mentions that the front dial of the Antikythera mechanism contained a smaller,

A. illustrate the complexity of the mechanism
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D. argue that the mechanism was used only for very specific tasks
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C. means...empathy with
D. procedure...distaste for
E. document...disapprobation of

When facts are ______ and data hard to come by, even scientists occasionally throw aside the professional pretense of ______ and tear into each other with shameless appeals to authority and arguments that are unabashedly ad hominem.

A. elusive...objectivity
B. established...courtesy
C. demonstrable...neutrality
D. ineluctable...cooperation
E. hypothetical...scholarship

While the disease is in state it is almost impossible to determine its existence by

A. a dormant...postulate
B. a critical...examination
C. an acute...analysis
D. a suspended...estimate
E. a latent...observation

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