國際經濟商務人員考試三等考試-國際經濟商務人員類科日文組外國文(日文兼試基礎英文)107 年第 9 題單選題That researcher has observed ______ changes in the rainforest for over twenty years.AseasonsBseasonal正確答案CseasoningDseasoned 答案與詳解