資訊推薦

• 【題組】(4)收集上列五瓶甲、乙、丙、丁、戊製取氣體溶於水中，再滴入酚酞會變成無色的有多少瓶？(註 : 酚酞在酸中呈現無色)(A)1 瓶 (B)2 瓶 (C)3 瓶 (D)4 瓶
• 1.加入下列何種物質，可使蒸餾水 pH 值上升？(A)C2H5OH (B)NaCl (C)CuSO4(D)NH3
• 2. 附圖是電解質導電時，水溶液中離子移動方向的示意圖，請問水溶液可能溶解了下列哪一種電解質？ (A)氫氧化鈷 (B)氨水 (C)水 (D)氟化銀
• 4. 阿麗看到書上介紹一種動物:具有四肢、長尾,表皮光滑濕黏,可用肺呼吸,行體外愛精,其外形示意圖如圖(四)。根據以上資料,判斷此動物最可能為下列何種組合? (A)兩生類—蜥蜴 (B)爬蟲類—蜥蜴 (
• 3.取相同質量的下列各溶液溶解成同體積水溶液，則何者 pH 值最大？(A)NaOH (B)KOH (C)HCl (D)Ca(OH)2
• 4.下列哪兩組反應會有黃色沉澱產生？(A)氯化鋇溶液與碳酸鈉溶液混合 (B)碳酸鈣加稀鹽酸(C)鹽酸加硫代硫酸鈉 (D)二氧化碳通入氫氧化鈣水溶液
• 5.在一個無風的下午,阿牛對著遠處的山壁喊了一聲「喂!」,不久後他聽見遠方傳回來「喂!」的回聲,則關於喊了一聲「喂!」舆回聲「喂!」的敘述,下列何者錯誤?(A)兩聲波播時均需要介質 (B)兩聲波遇到障
• 【32~33】     Jack, Sakura and their parents were in the living room last night. Jack wasplaying with
• 6.探討未知的生物現象時,可依序用:(1)觀察、(2)提出問題·(3)提出假設性的答案、(4)設計實驗四個步驟來得到結論。小成要研究螞蟻的行為,列出了甲、乙、丙、丁四個敘述,如表(一)所示,若依上述探
• 5.如附圖所示，依潔在裝有 20mL 水的甲試管加入 10 克的氯化鈉，充分的攪拌均勻，發現試管底部還有少許沉澱產生，接著她從甲試管中取 5mL 的上層溶液倒入乙試管中，在加入 1 克的氯化鈉並充分攪
• 7.豆豆騎腳踏車在筆直的道路上向東前進,當他發現前方的號誌為紅燈後開始煞車減速並停車,等到號誌轉為綠燈後再向東加速前進。若豆豆煞車減速時與加速前進時的加速度分別為a1與a2,則兩加速度的方向分別為何?
• 8. 某科學研究計畫在南大西洋中洋脊兩側取得海洋地殼的樣本,其中四個取樣點分別為甲、乙、丙、丁,如圖(五)所示,則比較四點海洋地殼的年齡,何者最老? (A)離中洋脊最近的甲(B)位在非洲板塊的乙(C)
• 1 近年來信用卡等塑膠貨幣有漸漸取代其他交易媒介的趨勢，究其原因，下列何者不正確？(A) 不易變質(B) 攜帶方便(C) 本身價值高(D) 被人們接受
• 6.在三個質量、大小均相同的燒杯中，盛裝液體不等的甲、乙、丙三種液體，如附圖所示。任意取兩杯液體分別置於已歸零的等臂天平兩端，天平皆保持平衡，由此可推知三種液體的密度大小順序為何？ (A)丙＞甲＞乙(
• 9. 表(二)為四種人工食品分別所含養分和水的質量比例。若這四種食品的總質量都相同,則下列何者可提供人體最多的能量? (A)甲 (B)乙 (C)丙 (D)丁
• 2.I think no one can cook as ______as my mom. She's the number one cook inmy eye.(A) well (B) g
• 3. Meg had a fever, so Grandpa didn't let her go to the beach with her friends. Shewas sad beca
• 4. This kind of food is ______seen in our country. You can find it almosteverywhere, either in the r
• 5. Sean ate two rice balls, Ming ate three rice balls, and Sammy ate five. That is, Sean ate ______o
• 6. Grandma bought little Mike a pair of socks, and he loves______ very much.(A) another (B) one (C)
• 7. Eric was very unhappy when his teacher made him ______the floor twice aday. He was lazy and reall
• 8. It ______Celine almost four days to finish this novel. It is the best one she hasever read.(A) sp
• 9. Along the road, ______used to be tall trees and beautiful flowers, but nowthey're all gone.(
• 10. In my school days, I______ math exercises every day. That was how Iimprove math at that time. im
• 11. After dinner, my family and I often enjoy reading books______us(A) that interests (B) interest(C