問題詳情

【題組】66. Ragweed pollen is prevalent at the beginning of ____ in the eastern United States.
(A) Spring
(B) Summer
(C) Fall
(D) Winter

參考答案

答案:C
難度:適中0.540541
統計:A(12),B(4),C(20),D(0),E(0)

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2.3.4-spring5.6.7-summer8.9.10-fall11.12.1-winter