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英文 國中

可以問第一題為什麼是D嗎

八、克漏字選擇:10分(每題2分) People love eating chocolate. However, have you ever thought about how these sweets came to the market? In fact, there are many child workers 1 in the Ivory Coast. It's the most important place for producing chocolate. Many 2 chocolate companies, such as Mars and Hershey, also use the cocoa from there. The farm owners there make kids 3 K適翰版B卷英語(四)7-2 Although the child workers spend all their time and give up their chance to go to school, they don't get a reasonable salary. Now, there are more and more people standing out to 4 5 these kids' rights. Why not join them and try our pp2. best to make this world a better place? (D)Y. (A) works hard (C) worked hard (C) 2. (A) delicious (B) weak reasonable salary (B) to work hard (D) working hard (C) famous (D) bitter 'y ) 3. According to the poster, which is NOT true if you are outside? (A) Call 119 if you see any power lines falling. (B) If you're in a car, don't move until the shaking stops. (C) Run away from all the big buildings that could fall at any second. (D) We should move to a safe place no matter (A) whether there's a tall building or not. 十、短文閱讀測驗:9分(每題3分) Today's Weather The first typhoon of this year is coming fast from the Green Sea. Although it will not arrive unti tomorrow, strong winds and heavy rains are here already. It is quite windy in Greenton. We can't see th city's famous bright sun today because the rain is going to last all day. Greenton's temperature tod

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自然 國中

求解這題 在線急!

17. 關於「把食物切得越小塊,就越容易煮熟」這句話的主要原理,與下列哪一種現人類 食物比較能保持新鮮 (B)雙氧水加二氧化錳製造氧氣 (C)削成羽毛狀的火煤棒比竹筷容易點燃 (D)法老 18. 有關酵素的敘述,下列何者正確?(A)蛋白質分子皆可稱為酵素(B)酵素皆可加快各種反應速率(C)酵素 王的金製面具至今仍保持光澤 。 可改變反應平衡狀態 (D)酵素為生物體內的催化劑。 19. 阿康家晚上要烤肉,請問下列哪一種行為無法讓烤肉更有效率?(A)把烤肉網放離火近一些(B)生火時對 著木炭搧風 (C)把食材堆疊在一起烤(D)把木炭敲小塊 。 20. 對一個已達到平衡的可逆反應而言,下列敘述何者正確?(A)正反應與逆反應均已經停止 (B)正反應速率 本於逆反應速率(C)反應物與生成物的濃度維持不變(D)反應物與生成物的莫耳數相等。 。 21.下列反應何者是可逆反應?(A)鋅粉加鹽酸產生氫氣 (B)酒精燃燒生成二氧化碳和水(C)氯化亞鈷試紙遇 水呈紅色(D)鐵生鏽 22. 在 2Crk' + 2H+ = Cr2O+H2O 的平衡反應中,下列敘述何者正確?(A)若溶液呈黃色,表示溶液中只有 CrO CrO和 Cr2O7的莫耳數比為2:1 (C)當溶液加入酸時,顏色不會改變, (B)達平衡後,溶液中 不影響平衡(D)當溶液呈橘紅色時,加鹼會逐漸變成黃色, 。 23. 在 25℃下,某固定體積之密閉系統中的化學反應已達成平衡,其反應式如下所示: 2NO2(無色)÷ NO(紅棕色)+熱量 則下列敘述何者正確?(A)當系統溫度上升時,將有利於逆反應的 進行 (B)當系統溫度上升時,氣體顏色將變深(C)當系統溫度上升時,N2O 分子數將增加(D)當系統溫度 上升時,氣體總分子數將減少 。 24. 固定溫度下, 某化學反應已達平衡, 其反應式為「甲+乙=丙+熱量」,若再將溫度逐漸提高,則正、逆反應的 反應速率與溫度之關係, 以下列何者表示最適當? (B) 反 (A) 反 正 (C) 正 正 正

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