資訊推薦

• 27.鹽橋在鋅銅電池中的功用為下列何者？ (A)使金屬在鹽橋析出 (B)把兩個分隔的溶液連接起來形成通路 (C)使兩溶液帶負電 (D)維持溶液的酸鹼性。
• 28.下圖分別為電解硫酸銅水溶液以及鋅銅電池的兩組實驗裝置示意圖，反應開始前，四支電極的質量都相同。反應經過一段時間後，取下四支電極烘乾後分別秤重，得知四支電極質量大小的關係為：碳棒甲＞電極丙＞碳棒乙
• 29.在電解硫酸銅水溶液時，使用不同的電極，會產生不同的反應，請問下列何者正確？ (A)以銅片為電極，負極產生銅 (B)以銅片為電極，水溶液顏色不變 (C)以碳棒為電極，水溶液顏色會變淡 (D)以上皆
• 2. A: Why don’t you try my handmade honey pie? Are you full?B: No, I can eat more, but I _____ don’t
• 3. The history questions in the test are very_________ . I can’t find the answer.(A) terrible (B) di
• 4. Mom: Time is up, Josh. Brush your teeth and go to bed. Josh: ____ I will do it before I go to bed
• 5. My English teacher taught us how to_________ English words. We need to readthem aloud and use new
• 6. My sister fell down and ____ her arm. It still ____ now.(A) was hurt； hurt (B) hurt； hurts (C) go
• 7. Joan doesn’t feel good. Maybe there is something wrong with the milk. She isin the _________ now.
• 8. Don’t_________ to others. Be an honest man. (A) laugh (B) love (C) lie (D) line
• 9. Bobby had a bad cough and a high fever. We need to take him to see todoctor _________ . (A) seldo
• 10. Linda is a hardworking student. She didn’t leave the desk _________ shefinished the homework.(A)
• 11. Nick _________ the floor at 3:20 yesterday afternoon.(A) is sweeping (B) was sweeping (C) sweeps
• 12. Judy was watching some interesting videos_________ .(A) then (B) last night (C) this morning (D)
• 13. Sam and Hank_________ talking in the science class yesterday.(A) hoped (B) wanted (C) needed (D)
• 14. Driving lessons_________ important to every driver.(A) is (B) are (C) being (D) to be
• 15. _________ late at night is bad for health. ____ is important to have enough sleep.(A) Work； That
• 16. Don’t give up._________ more, and you can win the game next time.(A) Practicing (B) To practice
• 17. Kevin had a bad stomachache. It’s terrible ____ sick. (A) being (B) be (C) to be (D)x
• 18. For people today, using LINE on the smart phones_________ lots of fun.(A) is (B) are (C) have (D
• 19. Linda wants to _________ Chen Shu-chu, the famous vegetable vendor. She isnot rich, but she love
• 20. We need more practice _____ a higher score in this game. It’s the only way.(A) to get (B) to get
• 21. Grandma was making breakfast when I_________ this morning. (A) was waking up (B) am waking up (C
• 22. The singing contest starts at _____ in the gym. Don’t worry. We can be thereon time right after
• 23. Karen’s parents are making a plan ____ the coming winter vacation. Theydecide ____ to Japan this