求解 這個只有解答沒有解析🙏

1. Mr. Bell will not get out of the hospital A. through B. into C. until 5. Henry asked Sabrina if come to his party tomorrow night. A. could she next Thursday. B B. she could C. can she D. from D. she can 2. My parents always do their to help me get through the ups and downs in my life. A. good B. well C. better D. best 3. The woman a purple checked coat is coming toward us. A. for B. with C. in 6. Ms. Parker was ironing her clothes, she burned herself. A. During B. After C. While D. Though 7. The first priority of our business is to keep our customers with our products. A. satisfaction B. satisfy C. satisfying D. satisfied D. of 4. Calvin has in his studies because he has missed half of the classes so far. A. fallen behind B. caught up C. ran into D. given off 8. According to the traffic rules, you exceed the speed limits. A. won't B. mustn't C. needn't D. couldn't B

求解

二、精熟題:每題4分,共12分 ( ) 1. 直角坐標平面上有一直線L:5x-2y=10,請問: 原點O到直線L的最短距離為何? C (A) 2√5 (B) 7~10 10 10~21 (C)- 21 (D) 10√29 29

想問2

設直線L: 5x-2y-1=0 S-). (E).(0 (1)若直線的y截距為3,且與【平行,求的方程式。 (2) 若直線L2的x,y截距和為7,且與L垂直,求L的方程式。 解: 15- -3=x 平古

求解！

10.試求下列各式的值: 8109 40 (0 2.5 -37.5 152.5 (cosb& cost + sinbol 52-3 135.0 (N) ) sin(60° + 0) cos(60° - 0) + cos(60° + 0) sin(60° - 0). 50 Cos52.50 t

請問為什麼黃色螢光筆上化學式係數不能寫那樣？

類題 11 使丙烷和丁烷的混合氣體完全燃燒時,得二氧化碳3.74克和水1.98克。該混合氣體中 丙烷與丁烷之莫耳數比約為(丙烷為C,Hg:丁烷為C4H10) (A)1:1 (B)1:2 (C)3:2 (D)2:1(E)5:2。 解答 -> 6 + C3H8+502→3002 +4H2O x 37x 4x 204H10+1302 →8002+101H20 y 3x+ 44 = 3.74 4x+54 -1.98 州 ty sy 515+204=1517 16x+204 = 7.92 X-70178 C 4496 694

請問第六題和第七題 這兩題不應該都是要選where嗎（答案是which;where)

上午11:20 8月25日 週日 ②目100% hdsh.teams.com.tw Budapest is well (5) for its food and thermal baths. There is a huge city park in the center of Budapest, (6) is believed to be one of the first public parks in the world open to citizens to relax. Inside the park there is a famous thermal bath opened in 1913, also the largest medicinal bath in Europe, (7) you can enjoy hot springs in 74 °C and 77 °C. Soaking in hot water and watching the city's view at night... Sounds perfect, doesn't it? Hungarian dishes are also (8) you can't miss. Traditional Goulash soup, which looks sort of like Taiwanese beef soup, won't disappoint you with its amazing taste. You should also pay a visit to Hungarian Parliament Building. Completed in 1904, the (9) building has become one of the major landmarks in Budapest. In conclusion, the city is full of (10) surprises waiting for your discovery. Hungary n. 441 Pearl of the Danuben. 多瑙河的明珠 Budapest n. 布達佩斯 divide v. 劃分、分割 consist of v. 包含、由...組成 merge v. 合併、融合 thermal bath n. 熱水浴場 Parliament building n. 國會大廈 (A) something (B) heard (C) inspiration (D) luxurious (E) interestingly (F) where (G) known (H) which ( 1 ) both (J) delightful (1) (A) (B)

想問這題怎麼算 謝謝

3. 正常人胃酸的[HCl]約5×10M,某病人的胃酸濃度過高,經檢測得知他胃中 HCl 高達 3x102莫耳,若此病人胃液體積為0.6升,則應服用多少克的碳酸鈣才能使胃酸[HCl]恢 復正常值?(非選擇題,6分) 34.-36題為題組 39 Cal03 +249 → cac/2 + W₂+120. 21359 層析法是利用化合物在層析片(固定)與展開液(流動相)之間的附著力不同,依 分離混合物的方法。一個在層析片上化合物上升的高度與展開液上升高度的比值,稱為 化合物上升高度(公分) 值,即R= 利用Rf值除了可以初步判斷是否為相同之化合物 展開液上升高度(公分) 可決定混合物中含有多少成分。小明和小華在實驗室中利用濾紙層析法進行分離色素 鹼。請根據上文,回答下列問題。 -下列選項有關濾紙層析之原理及操作,哪些正確?(單選題,2分) (A)首先用鉛筆在長條形濾紙上,靠近上、下緣處劃一條細線(如右圖的X、Y 處橫線),且愈靠近邊緣愈好 Y

求這兩題詳解謝謝🙏

小豪開車往返臺北、高雄兩地,因為回程的路途中塞車,導致於去與返所花的時 間比為3:5,且其平均時速為75公里,求小豪去與返的速率每小時相差幾公 里?(A)10 (B)20 (C)30 (D)40。 有A、B兩鎮相距24公里,中途有一段是上下坡山路,一段是平地;小琦往返兩 鎮,去的時候花費2小時25分;回程時花了2.5小時。若上山的平均時速8公里 ,下山平均時速是12公里;平地平均時速是10公里,試求A、B兩鎮間平地路 段的距離是多少公里? (A)10 (B)8 (C)15 (D)12。 ㄓㄥˋ

求解和解析(⁠;⁠ŏ⁠﹏⁠ŏ⁠)

類題31從下列熱化學反應式,計算2C(s) + H2(g)→CzHz(g)的AH(J): C2H2(g) + O2(g) → 2 CO2(g) + H2O(l) 5 +02(g) C(s) + O2(g) → CO2(g) H2(g) + O2(g) → H2O(l) 2 (A) - 227.2 (B) 227.2 (C) - 166.4 (D) - 620.6. AH = - 1300 kJ 1.0 AH 393.5 kJ AH = - 285.8 kJ 1300

請問這題怎麼解

88 三、計算題:每題10分,共20分 S 8PF X \X EXT 8P1X XX XP = XX 1. 坐標平面上,二元一次方程式3x-2y=-7、 CTX SXP 2x-y=k的圖形交於A(-3,a),且分別與 方程式x+1=0的圖形交於B、C兩點,則: (1)k=?(4分),即興輕量13 (2) △ABC的面積為何?(6分) 【解】 車 經翻秀會大山感質小(A) 且大連 , 城 袋 (D)-Q (C)=0 (B) - J3 CI-(A) Mil 50-P=3 P10+ 0 0=ST