請問哪裡算錯🙏🏻

24 10. 如右圖所示(只是示意圖),將梯子AB靠在與地面垂直的牆AC上,測 得與水平地面的夾角∠ABC為60°。將在地面上的底B沿著地面向外拉 51公分到點F(即FB=51公分),此時梯子EF與地面的夾角<EFC之 正弦值為sin∠EFC=0.6,則梯子長AB=234公分。 答 51+2x=41x tos 2 I fx = 5/102 x=34 200 E 5x BX 170 【答對率39%】 107學測 5x 2 4x

請問第25題為什麼不能選B🙏

of the United 全新試題 建國中學 鳳山高中 ◎第四段課文重點 (B) in show love for others (C) through TV programs. (D) upon 全新試題 (1)介系詞應用 (2)副詞應用 (3)名詞子句 23 23. Studying history (A) likes (B) dislikes traveling in time to the past; we can learn from the past and avoid making the same mistakes. 全新試題 (C) is like (D) is alike and achieve more. 新營高中 (C) farther (D) further (24. I ask you to keep climbing because you will see (A) far D③The 25. The plan change it. (B) fur we expand our business all over Asia sounds risky, so I think we should 全新試題 different (A) that 新試題 III. 綜合測驗 are very ※第一篇 峰高中 高中 (B) which (C) what (D) about which 1. to Established in 1984, TED is a nonprofit foundation that helps spread new ideas around the world. In the beginning, the foundation held conferences and invited thinkers from many different come and speak. Some speakers were experts and researchers in medicine. Others were knowledgeable 2. were highly respected giants in business. Each of them was given eighteen philosophers. minutes to present their ideas. The speakers' talks were filled with valuable and fun insights that often audiences with knowledge 3. entertainment. popular. 4. they did not really start a revolution of

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求解

(A) We are expected (C) What is expected (B) It is expected (D) It will expect 2. Last year, the festival attracted many people, and the number of tourists is a peak on the day of the fireworks display. reported (A) that reached (C) to reach (B) to have reached (D) that has reached

求解

t- A 有機的 (A) decides (B) is decided (C) will decide (D) decided 5. Mrs. Pym doesn't trust the products sold in supermarkets; she only buys organic products from a family- (A) owning farm. (B) own (C) owns (D) owned 1 句子合併與改寫 (改寫成It is....)

求解

t- A 有機的 (A) decides (B) is decided (C) will decide (D) decided 5. Mrs. Pym doesn't trust the products sold in supermarkets; she only buys organic products from a family- (A) owning farm. (B) own (C) owns (D) owned 1 句子合併與改寫 (改寫成It is....)

求解感謝

tomph = 1-X +x+x 1 已知4HBr(g)+O2(g)→2H2O(g)+2Brz(g) 的速率定律為r=kPHB,Poz。 在 400 °C 時,容器內含3 莫耳 HBr與1莫耳O2,測得總壓為1大氣壓,而反 應發生時,速率為。溫度不變下,若在反應前又加入8莫耳He,測得總壓 為2大氣壓,則反應發生時,速率為的多少倍? 4 8 (A) 1 (B) (C) (D) 3 4 4HBr+O2→ 2H2O+2B12 O 3.1

請問這一題 謝謝

A 6. 一質體經某限制酶切割後,其切割位置的核酸序列如下所示。 B AATTC G MG -CTTAA 日 下列哪一個 DNA片段可以與此質體進行重組 【嘉義高中】 INE (A)TTAAC G (B)AATTC G G -CAATT G CTTAA TOTTAAC. G DAATTC G G. -CTTAA G- CAATT

求解這題怎麼算

x5+8x3+8=7 00 000 00 3/3 oxx 三 8 言 6 某城市為了籌措經費發行彩券,共發行一百萬張,其中一千萬元獎 張五 百萬元獎2張;一百萬元獎5張;十萬元獎20張;一萬元獎100張;一千~1280 元獎1000張 請問當你購買一張彩券時,你預期會得到獎金多少元? 100 100000 1000 500 10000 Tooc 0000 5000 200 C1280

如果爆炸後分裂為質量相等的話，那兩者距離質心不應該相等嗎？🤔

進階試題 1.初速vo=50m/s,仰角0=53°斜拋一物體,到達頂點時爆炸成質量相等之兩塊,其中一塊以 Vz=30m/s 芝初速鉛直落下。設g=10m/s²,則兩塊碎片著地後相距 o m。 tom. wy 初速100m/s,從地面發射,如圖所示。忽