資訊推薦

• 21. ( )小王用掃把將打翻的鐵粉掃起來後，發現其中混合不少泥沙，請問他可以用何種方法分離出鐵粉？ (A)倒入水中後過濾 (B)使用蒸發皿加熱(C)利用磁鐵吸引 (D)置於水中自然沉澱。
• 23. ( )有關溶液的敘述，下列何者錯誤？ (A)汽水中的糖和二氧化碳是溶質 (B)運動飲料不是水溶液 (C)食鹽溶解在水中形成水溶液 (D)碘酒中的酒精是溶劑。
• 22. ( )已知在甲、乙、丙、丁四個金屬球中，有三個是同一種金屬。下列數據為某生測出各金屬球的體積和質量，請問哪一個不是同一種的金屬？(A)甲：3.0 cm3，26.8 g (B)乙：2.5 cm3
• 24. ( )一個密度為 2.7 g/cm3 的均質鋁塊，若將其分割成體積比為 2：1 的兩個鋁塊，則兩者的密度比為何？ (A) 2：1 (B) 1：2 (C) 1：1 (D) 3：1。
• 27. ( )小馬使用歸零後的懸吊式等臂天平來測量物體的質量，左盤中放置待測物，右盤上共有 10 g 一個、5 g 一個的砝碼，且騎碼的位置在第 12 刻度線上，此時指針偏向右方。請問他該如何調整才能
• 26. ( )將質量相同的金、銀、鉛和鋁分別做成正立方體，則何者的邊長最大？（金、銀、鉛、鋁的密度分別為 19.3、10.5、11.4 及 2.7 g/cm3） (A)金(B)銀 (C)鉛 (D)鋁。
• 3. Instead of waiting for a problem to occur in the classroom, teachers should be _____ by thinking
• 2. The rescue crew was able to successfully _____ the five trapped men from the cave before the supe
• 7. The 12-year Curriculum is an important measure that will readjust Taiwan’s education system in li
• 9. Many strategies are available to _____ students _____ new vocabulary, such as vocabulary notebook
• 6. The salt marshes are an important stop for more than 200 species of birds as they _____ north eve
• 5. Sandra operates about 36 bubble tea _____ across Taiwan and has franchises everywhere from the Un
• 10. Research consistently revealed a strong_____ relationship between prior knowledge and reading co
• 8. Spanking is a poor way to shape a child’ s behavior. It will result in feelings of anger and frus
• 13. People should not eat a wild mushroom unless they are absolutely certain that it is harmless and
• 4. Pamela, who loves all living creatures, takes a strong _____ against eating any sort of meat.(A)
• 15. Sally cooks very well and often invites people whom she meets at social gatherings to her home t
• 11. The athletes had to train out in the open field despite the _____ heat of the summer.(A) unrelen
• 17. Terry went on to become a very successful author, _____ his childhood reading difficulties.(A) i
• 12. We cannot give you a _____ answer now; there are still many uncertainties about the issue.(A) va
• 20. Las Vegas, _____ of the United States, entices people to come and throw away their money.(A) is
• 26. The magnetic compass does not operate satisfactorily near the magnetic poles, nor _____ near the
• 14. David fell off the bus and sprained his ankle. He rose to his feet with effort and slowly _____
• 28. _____ as much as one-fourth of all timber harvested is not used.(A) The estimate (B) The estimat
• 16. Recent studies have indicated that _____ found in tomatoes can help prevent cancer.(A) foundatio