- 當前位置：首頁
- 12.N2與CO2之混合氣體，其擴散速率為CH4擴散速率的 =？(A) 1：3 (B) 3：1 (C) 4：1 (D) 4：3。
問題詳情
12.N2與CO2之混合氣體，其擴散速率為CH4擴散速率的
(A) 1：3
(B) 3：1
(C) 4：1
(D) 4：3。
(A) 1：3
(B) 3：1
(C) 4：1
(D) 4：3。
參考答案
答案：A
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
資訊推薦
- 四、某教師月考後計算全班英文成績之標準差與平均值，該班學生 35 人，得平均值為62.5，標準差為 7.25，中位數為 65。【題組】⑴請問從上述數據，假設該班成績為單峰分配，你推測該班英文成績分配應
- 【題組】48、形成乙氣候區的主要因素為何？ (A)ITCZ終年籠罩 (B)大範圍海陸性質差異 (C)鋒面通過頻繁 (D)行星風帶季移。
- 2.第(１)～(３)題請根據以下的敘述在選項中選出一個最適當的選項。已知南瓜的重量是由三對基因所決定，若 AABBCC 可產生 10 磅的南瓜，而 aabbcc 可產生 4 磅的南瓜，則：【題組】（
- 【題組】49、雅加達的氣候圖最有可能是哪一幅？ (A)A (B)B (C)C (D)D。
- 4. The ____ power of nuclear weapon might destroy the whole earth.(A) instinctive (B) instructive (C
- 14. As a perfectionist, my sister is ____ what she wears and how she looks.(A) pessimistic about (B)
- 5. Some experts offered a variety of scientific explanations for this natural _____.(A) phenomenon (
- 24. Serious damage _______ to the music industry because of the illegaldownloading of music from the
- 15. He was scolded by his parents because he spent ____ his allowance on computer games.(A) a large
- 6. It is _____ impossible for Daniel to steal. He is a righteous and honest person.(A) irrationally
- 【題組】50、右圖為名列世界文化遺產的合掌屋建築，屋頂之稻草非常厚重。試問，該合掌形式主要是因下列哪一因素影響所致？ (A)氣候現象 (B)地質情況 (C)防禦功能 (D)文化傳承
- 【題組】34. (A) lined with (B) along with (C) instead of (D) filled up with
- 25. Choose the wrong sentence:(A) The spectators of the games mostly composed of young people under
- II. Grammar Choice & Phrases: (10%)16. Hiking in the hot sun made us thirty; luckily we _______
- 7. Owing to many reasons, packaging has _____ an important place in Japan’s economy.(A) obsessed (B)
- Everyone needs time for both work and leisure activities. Luckily, we can combine these two in a rew
- 【題組】35. (A) they realized (B) did they realize(C) that they realized (D) when they realized
- III. Cloze: (30%) Once there were a young man and his father living on selling produce in the marke
- 17. Many low-income families will _______ the new tax regulations.(A) elevate to(B) benefit from (C)
- 8. Stock prices are going down sharply and it has brought about a financial crisis in many companies
- 【題組】43、下列有關實驗結果的推論，何者正確？ (A)葉子是感受光週期的部位 (B)植物經適當光週期處理後會產生某些化學物質，以引起開花 (C)引起開花的化學物質是經由木質部運送至植物體 (D)引起
- Robert Frost is probably the most famous American poet of twentieth country. He is known __36__ usin
- 【題組】27. (A) Because (B) As long as (C) No wonder (D) While
- 18. We all have problems to face, but a positive attitude can _______.(A) have something in common (
- 9. The superstar finally won an Oscar _______ for best actor.(A) possession (B) intention (C) nomina