题目内容

According to the passage, all of the following are objectives of the THEMIS mission EXCEPT:

A. predicting variations in the flux of electrons in Earth's outer radiation belt
B. understanding how individual components of the substorm interact
C. guaranteeing the success rates of future space missions
D. investigating when and where substorms begin
E. understanding how substorms power the auroras

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In the tradition of scholarly ______, the poet and scholar A.E. Housman once assailed a German rival for relying on manuscripts "as a drunkard relies on lampposts, for ______ rather than illumination."

A. animosity...current
B. discourse...stability
C. erudition...shadow
D. invective...support
E. competition...assistance

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

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

A. illustrate the complexity of the mechanism
B. describe exactly how the mechanism worked
C. emphasize the importance of leap years in the study of astronomy
D. argue that the mechanism was used only for very specific tasks
E. allow readers to imagine what the device looked like

An essential purpose of the criminal justice system is to enable purgation to take place;

A. catharsis...outrage at
B. disclaimer...forgiveness of
C. means...empathy with
D. procedure...distaste for
E. document...disapprobation of

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