16. Some adaptations protect organisms from hazardous conditions in the environment or from enemies.
(A) hazy
(B) polluted
(C) beneficial
(D) perilous

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統計: A(21), B(43), C(6), D(201), E(0) #1284879

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(A) hazy 模糊;朦朧(B) po...
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#5044237

.hazy (a.)朦朧的;有薄霧的 = indistinct

.polluted (a.)受污染的

.beneficial (a.)有益的

.perilous (a.)危險的 = hazardous = dangerous

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16. Some adaptations...
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