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自然 國中

為何19題的B不可選?

Ito a baseball varne. so | 18 ~ 22 D) The part of your body Chat you sit on.) Y you lose them. 18. - had houses. If 上有有錢人有,那一般就继子不会有 Do you like to go to libraries? Libraries are gateways to knowledge and culture. You can borrow all kinds of books for free. You have to pay only if your books are overdue or things didn't go that way years ago. In 1900, people 19. books because they were expensive. Only rich people had their own small libraries in their f you were one of their friends, you got a chance to borrow books. A few places had libraries, but the borrowers had to pay for them. Thanks to Andrew Carnegie, one of the richest men in the world, more and more public libraries were built./ He not only 20. to help the poor and the working-class Americans but also helped build 2,509 public libraries. The reason why he helped build so many libraries was that building free libraries 21 his dream. He was born into a poor family in 1835. When he was young, he always made good use of time and threw himself into his work and reading. He strongly believed 22 to be born poor didn't mean that one would always be poor. Everyone could become better by reading. And because of his large and kind donations of money, many places in America have free libraries now, and more and more people have a chance to get more knowledge. culture it overdue reason 2 donation til 不定詞營主 a gateway HD v. FOREVER (1) 18. (A) However (B) Besides (C) Also (D) After all 19 (AS hardly 447 (B) hard APE (C) harder D) most hard 20. (A) became well-known (B) gave a lot of speeches ) (C) gave away a lot of money (D) built a lot of factories X 21. (A) has always been (B) is always (C) will be always X (D) had always been 22. (A) if (B) that +S+U+0. (C) what +S+V. (D) whether (後接的 that 14 FEBRERO Ithe thies which+39 +30 61523, o 将其中的语学不会太长,因 what 本身就是再负弱 2022/4/24 12:11

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自然 國中

想問21、24謝謝🙏

大氣壓力 仲基玩吸盤槍,没盤重為W,發射後吸盤吸附在玻璃板上,若 由大氣壓力P擠壓吸盤而生成之摩擦力為F,且吸盤靜止吸附在 经直的玻璃板上,如图(b)所示。則下列敘述何者正確?(不考 意力的方向) (A) F>W且F、P两者單位、意義並不相同 (B)F<W且F、P兩者單位、意義是相同的 (C)F=W且F、P兩者單位、意義並不相同 (D) F=W且F、P兩者單位、意義是相同的 大氣壓力 吸 絕 吸附狀態 圖(十) B 22. 甲烷(CH)與丙烷(CH)在充足的氧氣下完全燃烧反應,反應式分別如下: (反應式皆未平衡) CH4 +02 → CO2 +H2O CGHs + O2 → CO., HH-0 若各取 1.0 莫耳的甲烷與丙烷使其完全燃燒,則下列敘述何者正確? (A)燃燒所產生水蒸氣的質量比為1:3 (B)燃燒所產生水蒸氣的莫耳數比為1:2 (C)燃燒所產生二氧化碳的質量比為1:2 (D)燃燒所產生二氧化碳的莫耳數比為2:1 c 23. 雅羅的阿嬤說:「罐頭一旦開啟就得把裡頭的食物移到碗中,否則食物會長紅 斑。」已知一般罐頭的成分是「鍍錫鐵」,請問下列敘述何者正確? (A)紅斑的成分應該是氧化錫 (B)紅斑的化學式應寫為 OFe2 (C) 因為鐵的活性比錫大,所以會優先發生氧化反應 (D)因為鐵的活性比錫小,所以會優先發生還原反應 1湾中試管理的 1滴皮試管裡的 溶液+3ml水 溶液+3mL水 1湾1MHCI 1湾IM NaOH 3 mLZK +3mL水 +3mLK POUVO 9 尺」 24. 秀智正在進行「反應速率觀察」的設計實驗: (一)五種溶液→組成如圖所示。 (二)兩種藥物→5克錶帶(編號X) 5克鎂粉 (編號Y)。 請問在下列各項反應組合下,秀智將可觀察到 「最快的」反應速率為何? (A)溶液甲與藥物 X (B)溶液乙與藥物X (C)溶液丁與藥物 Y (D)溶液戊與藥物 Y 甲乙丙丁戊 圖) 請翻頁繼绩作答 《人

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