為什麼這題選A

(doing the homework)and(listening to music at the same time) a good study habit? Think about it. A Is (B) Are (C) Does (D) Do

這題求極限的答案應該是A，但是我想請問這個計算過程什麼地方出錯了呢？ 以下附上計算過程與問題，謝謝。

A = lm frathy-feas hyp lim feaths-feas 670 A = J. Im Loo fea+3h)-tea-zh) 5h lim flaushs-fea-2h) ho T 5h In fra+3h) -fea+fia) - fla-2h) >h lim fra+hh) - fia) - (fea-2h) -f(as) h-7 5h lin tearsh) - tea) be finish)-tia) h70 5h Im tra+nh) - tras 34-70 3 h 5h lim 2h-70 L A-A* fra-2h)-teas 2h " A >

求解🙏 謝謝

A'D 1. A dog (A) r run 00:1a zinalaysiq (C) is running in front of the house. (B) running (D) are running

求解，謝謝🙂

A a small world it is (A) How (B) Why (e) Which (D) What

求解謝謝

( ) 9. When I'm in trouble, Meg is always the first person that I'm really lucky to have her in my life. (A) takes (C) saves (B) lends (D) prepares me a helping hand.

請問是A嗎謝謝

6. It's sad that the father turns a (A) proud (C) blind eye to his son's cheating on the test. (B) dead (D) mad

請問P=F/A為什麼會正比於I^2/R^2 ?? 而不是I^2/R^3??

詳解 1. 設中空圓筒形導體長為L,依題意可知: I,n> ½‚n » 1, P = , Ò與È同方向 A 2元R×L n F Px R R (A)(B)兩載同向電流的直導線間有相互吸引的磁力 Hoi F'=iL × B, B = 其中rxR。如下示 2лг 意圖所示,利用向量對稱分析可得任一導線 所受的淨磁力會指向圓心O,即Ò沿半徑向 筒內。 i dat 21 O (C)(D)(E) Foc | iLẺ | F > P = x A I² R² 8 R 8 T² R i

Grant argues that people should act like scientists, experimenting, considering all possible explanations and questioning earlier beliefs... 繼續閱讀

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

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