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自然 國中

[生物] 這四題,求解

三、生物科單選題:每題2分,共30分 將雞蛋的卵膜以細線固定於玻璃管下方,取1%沉澱液5ml 由玻璃管上端 小心注入卵膜內後,置入裝有 10%葡萄糖液的燒杯內(如右圖所示),靜置 一段時間後觀察,下列敘述何者正確? (A)蛋膜會膨脹,玻璃管內的液面會上升 (B)蛋膜會萎縮,玻璃管內液面會下降 (C)蛋膜及玻璃管的水位均未有任何改變 (D)當最終水位變化達靜止後,表水分子不再移動 下列有關 DNA 雙股螺旋結構的敘述,何者錯誤? (A)核苷酸之間以磷酸根相連 (B)嘌呤和嘧啶間以氫鍵相連 (C)每條雙股 DNA 中含氮鹼基的數目:(A+T)/(C+G)=1 (D)以半保留的方式複製出新的 DNA 一、由圖爲一個豌豆莢,其內有6個種子,下列敘述何者錯誤? (A)此豌豆花子房內至少有6個胚珠 (B) a、b的基因型完全相同 (C) b構造是經雙重受精而來 (D)成熟時,a、b、c內所有細胞的染色體套數均相同 FOQ 玻璃管 1%澱粉液 10%葡萄糖液 下列有關呼吸系統的敘述,何者錯誤? (A)潛水夫病是由於異常氣壓下,使組織中溶解過飽和的氮氣因釋放膨脹而成氣泡,堵住血管 (B)高山症是因爲高山上氧氣分壓降低,導致血紅素與氧氣結合率下降 (C)肺氣腫患者的肺泡因過度擴張而多個融合爲一個較大的氣囊,使氣體交換的表面積變得小 (D)腦部呼吸中樞控制的呼吸肌爲不隨意肌 +A E LABITTERFA

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英文 高中

想問這幾題 想問為什麼錯的不能用+對的為什麼能這樣用?🙏

英文考科 二、綜合測驗(占10分) +3 on 說明:第11.題至第20.題,每題1分。 bodzowbred no 第11.至15.題為題組 In 1956, African honeybees were introduced into Brazil to improve honey production in the tropical climate of South America. However, they started to mix with European honeybees already living there and produced a new kind of "Africanized" honeybees that are better at setting up hiyes and at reproducing than European bees. Keeping Africanized bees poses a challenge to beekeepers. Generally, beekeepers keep their bees in 11. wooden boxes, or hives. s. Afte After the worker bees fill a hive with honey, the beekeepers open the lid of the hive and blow a few puffs of thick, cool smoke into the hive to help calm 12. easier to collect the honey. the bees, 第 2 頁 共 10 頁 The problem with keeping Africanized bees is that they are more defensive than European bees. Even the slightest bump against the hive may 13. an alarm. A large quantity of smoke is needed to calm the bees. Two or three beekeepers may need to work together to safely harvest the honey. And they may need to wear heavier beekeeping suits even in hot, 14. weather. Beekeepers may also collect less honey from Africanized bee hives. European bees form search parties and work together to collect flower nectar from which honey is made, while Africanized bees usually work alone in search of flowers. Therefore, less nectar is brought back to Africanized bee hives. Africanized bees also spend less time storing honey but more time caring for young bees. That may be because they 15. in a tropical climate where not much honey is needed for food during the winter. (C) starved AB 11. (A) stacked door Lyc (B) stuffed obl (A) which make them (B) so that they are (C) thus it would be D (B) go off (C) call off (A) get off (D) staffed (D) making it DLL CC

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