阿摩線上測驗
The author uses the term “lifeblood” (line 1) to indicate that wheat was
(A) difficult to produce in large quantities
(B) susceptible to many parasites
(C) essential to the health of the country
(D) expensive to gather and transport
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統計： A(7), B(19), C(56), D(3), E(0) #324885
統計： A(7), B(19), C(56), D(3), E(0) #324885
