資訊推薦

• ( ) 25. 下列哪一個圖形可表式氮(N2) 和氧(O2) 化合成一氧化氮(NO) 的分子模型?(A) (B) (C) (D)
• 【題組】2 .下列有關高爐煉鐵的原理說明，何者錯誤？(A)為氧化還原反應的應用 (B)反應中，鐵的氧化物發生還原，而碳發生氧化 (C)鐵對氧的活性大於碳，可作為還原劑(D)灰石所形成的熔渣可防止高溫的
• 【題組】3 .甲為煤焦與鐵礦的反應式，題目中的細數尚未平衡。經平衡後，係數為最簡單整數時，所有係數總和為何? (A)7 (B)9 (C)12 (D)15
• 【題組】4 .承上題，在甲反應式中，若將 20 公斤的氧化鐵與足量的碳反應，所產生的鐵其質量為多少公斤?(A)8 (B)14 (C)20 (D)24
• 【題組】5 .已知: X 為適宜鑄造又宜鍛接的鐵；Y 為含碳量最少，純度最高的鐵；Z 為含碳量最高，質硬且脆的鐵。則下列選項中，何者最有可能為 X、Y、Z?(A)熟鐵、鋼、生鐵 (B)鋼、熟鐵、生鐵(
• 【題組】6 .在高爐中，丙的反應式中，何者為還原劑？(A)Fe2O3 (B)CO (C)Fe (D)CO2。
• 【題組】2 .承上題，氧和鎂化合的質量比為多少？(A)1：2 (B)2：1 (C)3：2 (D)2：3。
• 【題組】3 .需要鎂和氧氣各多少公克，可以燃燒生成 2公克的氧化鎂？(A)鎂 1.2 公克、氧氣 0.8 公克(B)鎂 0.8 公克、氧氣 1.2 公克(C)鎂 3.0 公克、氧氣 2.0 公克(D)
• 17.Mrs. Wang wasn’t watching TV, but her children _____.(A) are(B) were(C) was(D) is
• 18._____ your homework before you start to surf the Net.(A) To finish(B) Finishes(C) Finishing(D) Fi
• 19.Becky: When _____ you last _____ that red coat? Judy: I last _____ it the day before yesterday.(A
• 20.My cousin, Ann, is really sorry for _____ me _____ so long.(A) to keep; wait(B) keep; wait(C) kee
• 21.Mr. Yang’s short stories are not good _____ share with his friends, but he still enjoys ______.(A
• 22.Hey! ______ a new bakery around here. Isn’t _____ a good idea to give it a try now?(A) It’s; ther
• 23.Dad often tells us _____ stay up (熬夜) too late because ______ enough rest is important.(A) do not
• 24._____ for thirty minutes every day _____ hard because I am too busy working.(A) Exercising; are(B
• 25.I was playing the guitar then, so I _____ hear your voice (聲音).(A) didn’t (B) don’t(C) am not(D)
• 26.Sally: Mom, I’m late for schoool, but I can’t find my glasses.Mom: ______ Let’s look for them tog
• 27.Brian: Does your husband help you with any housework? Angel: Of course. _____.(A) He eats pizza o
• 【題組】29.(A) made(B) making(C) makes(D) to make
• 【題組】30.(A) Any ideas?(B) What’s wrong?(C) Not really.(D) All right.
• 【題組】32.What does room service mean?(A) To have dinner at a hotel restaurant.(B) To do some housework
• 【題組】34.Which is true about “Mid-Autumn Festival”?(A) Families share a big meal and admire the moon t
• 【題組】35.Which is NOT true about “The Chanthaburi Fruit Fair”?(A) It’s to celebrate the summer fruit h
• 2. Mom: Stop using a phone or listening to music when you are walking. Be sure to look both ways bef