自然 國中 17天以前 有沒有人可以救一下 高氣壓中心跟低氣壓中心的風向越想越不對勁（？ಠ~ಠ （地科 第3章 千變萬化的天氣 4 老師說 科氏力(Coriolis force):因地球自轉而對於地表附近運動的物體(如: 偏向力。 (2)高、低氣壓中心附近的氣流:(以北半球為例) 地區 高氣壓中心 低氣壓中心 水平 氣流 H 近地面高氣壓中心空氣 順時鐘向外流出 近地面低氣壓中心空 逆時鐘向內流入 上升氣流 尚未解決 回答數: 1
英文 國中 18天以前 想問問，20題為什麼不是A for加一段時間不是完成式嗎？🤔 D b 18. Business at Jane's shop has not been good these days/And the new supermarket across the street only makes things worse. (A) easier (B) worse 使現況更糟 Qm more boring (D) more convenient pulled him out of a car on fire. (C) the one she (D) the one who 19. Scott wasn't sure if the young woman before him was 20. I (A) who (B) the one swimming for several years before I went to this high school I gave it up because of heavy schoolwork. (A) have practiced (B) am practicing (C) practiced 21. Frank Kane is so good in the movie that many people 22. (A) expect (B) forget (D) would practice he will win the best actor prize (C) notice (D) plan thousands of lives. (C) saving (D) to save The new medicine that just came out on the market (A) and saved (B) has saved 已解決 回答數: 2
物理 高中 18天以前 題目：於Q產生兩波，分別向P和R的方向行進，則其兩反射波相遇點距離Q為？ 求答案和詳解🙏 Q A B 已知 Q MA OR 2l us 4 ₤2 VA = VB = 2 = 1 尚未解決 回答數: 1
英文 國中 18天以前 求解🙏 謝謝 A Iris: OK. I will finish doing it. I just need ten more minutes. (A) has to do (B) has done t 8. Jean: See? Razor runs much (C) has to be done (D) has been done now. Can you think of any other boys in our class that can run as fast as him or even faster than him? More Lisa: I'm not sure. But I think he is able to join our school team. (A) fast (B) faster (C) as fast runs faster much fast (D) the fastest 已解決 回答數: 2
數學 國中 18天以前 求解🙏 謝謝 B 23. 圖(土)的LI~LS為五條等距的平行線,且O、M分別在 L3、LS 上,大奕以O點為圓心,OM 長為半徑畫圓,分 別與此五條平行線交於P、Q、R、S、N五點。根據圖 N S R L3 La √Q 中各點的位置,判斷OR、RS、SN的度數大小關係為 何? Ls M 圖(土) (A) QR<RS<SN (B)QR=RS<SN (C)QR<RS=SN (D)QR=RS=SN 尚未解決 回答數: 1
數學與統計 大學 19天以前 想請問這題，是清大先修課（微積分）的題目！ 有點看不太懂詳解⋯⋯ 非常感謝！>< 微積分 w1 ex02-01q3 (單選題) Let f (x) = 2x, c = 1, = 0.1, L = 2, pick up an appropriate positive number 8 from the following options such that if 0 < |x − 1| < 8, then |f(x) − L| = |2x − 2| < € = 0.1. ○ 8 = 4 O 8 = 0.049 8= 0.051 8 = 0.1 解答: "8=0.049 " 詳解: Observe that | 2x-21 = 2|x1| < 0.1 = >> |x1|< 0.1 = 0.05. 2 Hence for &= 0.1, we can take any positive number 8≤ 0.05, such that if 0 < |x − 1| < 8, then |f(x) – L| = |2x-2| 2x 128≤ 2 0.05 = 0.1 = ε. 已解決 回答數: 1
數學 國中 21天以前 跪求（2）怎麼算༼;´༎ຶ ༎ຶ༽༼;´༎ຶ ༎ຶ༽༼;´༎ຶ ༎ຶ༽༼;´༎ຶ ༎ຶ༽༼;´༎ຶ ༎ຶ༽༼;´༎ຶ ༎ຶ༽༼;´༎ຶ ༎ຶ༽༼;... 繼續閱讀 佰法①過O作直線LLOA 在L上取OB=3OA,連接AB ③以O為圓心,AB長為半徑畫弧, 與數線正向交於P點,則P即為所求 B P 牛刀小試 1. 如右圖,坐標平面上,已知O(0,0)、A(17,0)、P(12,9)三點,則: (1)以為圓心,OP為半徑畫弧,交y軸於B點,則B點坐標為 (0,15) (2)以P為圓心,PA為半徑畫弧,交x軸於C點,則C點坐標為 0 P(12,9) O(0,012 (17,0) 5. 右圖 步驅 步馬 步需 步 尚未解決 回答數: 1
英文 國中 21天以前 求解 8. Lisa: Dad, we have to go to church tomorrow, ? Dad: Yes, tomorrow is Saturday. After that, let's go to a movie. A) haven't we (C) won't we have to (B) aren't we (D) don't we 已解決 回答數: 1
英文 國中 21天以前 求解 B 6. Anita enjoys watching the waves break against the rocks, and so BB 918 2 I. (A) do (B) am (C) will (D) have 1295 ever been to South Korea, and his children. 已解決 回答數: 1
