The writer of the passage considers trade necessary for _____.
(A) travel
(B) political unity
(C) self-preservation
(D) the theory of evolution

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統計： A(23), B(8), C(53), D(46), E(0) #198258

詳解 (共 2 筆)

#1335114
請問為什麼不是A而是C? 有高手能解答嗎?
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#1342458
Thus most of us are now keptalive by thisvastcooperativeunifiedworldsociety. Goods are now the greattravelersover the earth’s surface, far morethanhumanbeings.
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