資訊推薦

• 【題組】(3)腳踏車輪胎在夏天打太滿容易爆胎(A)甲.氣體 (B)乙.液體(C) 丙.固體
• 【題組】(4)冰過的罐頭打不開時，在金屬瓶蓋上覆蓋熱抹布。(A)甲.氣體 (B)乙.液體(C) 丙.固體
• 【題組】(2)奶油加熱會熔化(A)√(B)O
• 【題組】(3)雞蛋加熱變荷包蛋(A)√(B)O
• 【題組】(4)熱熔膠受熱熔化(A)√(B)O
• 【題組】(2)接續上題，天然橡膠的硬度隨環境因素變化後，其性質並不會改變，這種現象的發生原理與下列哪一項相同？ (A) 鐵接觸水後生成鐵鏽 (B) 砂糖溶解在水中 (C) 木材點火後燃燒成灰燼 (D)
• 【題組】(3)在天然橡膠中加入哪一項物質後一併加熱，能夠改善其硬度易受環境因素影響的缺點？ (A) 小蘇打粉 (B)硫磺 (C) 食鹽 (D) 石墨。
• 【題組】(2)下列關於冰雹的敘述，哪ㄧ項是不正確的？ (A)在積雨雲中形成 (B) 是固態的 (C) 落地時的形態與雪一樣(D) 每一顆冰雹的體積大小都相同。
• 1. 關於坐標平面上函數y＝sinx和 兩圖形之交點個數，下列選項何者正確？　(A)交點的個數是無窮多　(B)交點的個數是奇數且大於10　(C)交點的個數是奇數且小於10　(D)交點的個數是偶數且大於
• 2. The power is out! Use the candle to ____ the room!(A) make of (B) fill with (C) light up (D) figh
• 3. Don’t give up, and try to ______ the difficulties. Things will become much better gradually.(A) r
• 4. In our class, we have two boys ____ are both named Kevin.One is good at math and science； the oth
• 5. The waitress ____ Kelly is chatting with _____ from the UK.(A) × ； comes (B) that ； are (C) who ；
• 6. Have you ever been to Bei-Tou? Do you know it is _______ its hot spring?(A) made of (B) painted b
• 7. Is there _________ about the party? B: Yes. And the food there is yummy.(A) special anything (B)
• 8. A: Why the long face? You look _______. B: I don’t want to _______ my parents _______, but I fail
• 9. The puppy ____ short legs is Mark’s. It is often seen in his garden.(A) which have (B) which havi
• 10. London is a city in England _______ many people live and work.(A) in which (B) where is (C) that
• 11. We just saw a man and a dog ____ passed by the post office this morning.(A) they (B) which (C) t
• 12. Elsa: Kate, do you mind closing the door for me? Kate: _____________ I feel cold, too!(A)Never s
• 13. The dogs which are running after the mailman are Helen’s. It means ______.(A) the mailman is run
• 14. Tina is a teenager ________.(A) who are tall (B) that are my classmates(C) who likes reading (D)
• 15. Which is correct?(A) I saw a boy and a dog which were jogging around the park last night.(B) Tha
• 16. Which is correct?(A) That we wrote to our teacher moved her. (B) I really don’t know where am I
• 17. A: Wow! The city is totally black out! B: Black out? A: “Black out” means the city is out of ___