108. Growing pressures from infrastructure development, oil exploration, and industrial
logging _____ ecosystem health the world.
(A)threat
(B) threatening
(C) threaten
(D)which threats
詳解 (共 3 筆)
未解鎖
選項（A）"threat"名詞，表示威脅...
未解鎖
108. Growing pressur...
未解鎖
主詞growing pressures為...
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