阿摩線上測驗 登入

最新科目

最新試卷

最新試題

最新申論題

最新課程

最新主題筆記

最新討論

2. 在生物地理學與保護生物學中,科學家會根據物種進入新環境後的影響力與狀態,將其區分為外來種、外來入侵種與馴化種。關於這 些概念的敘述,下列何者最不正確? (A)外來種是指因人為因素(有意或無意)移動到其原生分佈範圍以外的物種,但並非所有外來種都會對當地的生態系統造成危害 (B)外來入侵種必須具備在自然環境中建立穩定族群(定殖)的能力,且其擴張會對當地的生物多樣性、人類健康或經濟造成負面影響 (C)馴化種是指經過人工選育、為了人類特定目的(如糧食或寵物)而改變其性狀的物種;一旦馴化種在野外建立自我維持的族群,就 具備成為外來入侵種的潛力 (D)根據演化學定義,只要一個物種在新的棲息地生存超過三個世代,該物種就會從外來種自動轉變為原生種 (native species) ,不再 受到入侵種相關法律的限制

31. Which of the following statements best expresses the primary thesis of the passage? (A) Traveling with professional colleagues is the most effective way to maximize vacation efficiency. (B) The psychological and physical benefits of travel depend on deliberate planning, pacing, and boundary-setting. (C) Long-distance international travel is superior to local travel because it offers greater opportunities to experience nature. (D) Technological connectivity and extensive web searches have made modern vacation planning less stressful than in the ...past.

7. The story was so _______ that I couldn't stop reading it all night. (A) boring (B) simple (C) engaging (D) tough

8. Please _______ your name clearly on the form. (A) write (B) draw (C) dictate (D) describe

9. During the winter, many birds _______ to warmer climates. (A) hibernate (B) disappear (C) migrate (D) dissolve