adopt efficiency contest historical furnish 21. Thanks to the _________ of air transport, everyone is free to go to anywhere at any time. 22. During our stay in Europe we visited many places of ______ interest, including several castles.
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举一反三
【单选题】According to the passage, which of the following statements best describes the relationship between secondary atmospheric circulations and jet streams?
A.
Jet streams and baroclinic waves tend to interact most intensely with one another in the winter, then act independently in the summer.
B.
Jet streams and baroclinic waves tend to exist at various points in the atmosphere in inversely proportional strength.
C.
Jet streams and baroclinic waves may behave differently, but they issue from a common source and augment one another.
D.
Jet streams tend to distribute kinetic energy in the atmosphere, and baroclinic waves relay this energy back to the jet stream.
E.
Jet streams tend to be more affected by the presence of landmasses than do haroclinic waves.
【简答题】Others viewed the finding with ________, noting that a cause-and-effect relationship between passive smoking and cancer remains to be shown. A) optimism B) passion C) caution D) deliberation