想請問這種題型 是什麼時候最大值要代-1、最小值代1，什麼時候最小值不能代1

5VX=43 PixM=4 類題 5.設f(x)=4sinx-cos²x+2,則f(x)的最大值為 b f(x)=45īnX-05-24+2 例題 6 sin² A+ -1 = 105 x ≤1 co SX | → M=-2 1 m² 1 =45īnx-(1-5nx)+2 = sin ³x + 44inx+1 = (Sin²x +rx sing xr triply =(477x+272-3 配合課本例題5 A+ 5sir : 0,試求 sin 0之值。 ,最小值為 2 。 1²5mx=1 sinx=1 fix>= M = -1 +(x)/m=2 三角函數範圍限制 《世線6 若2cos²0-3cos6-2=0,試求cos 8 之值。

請問為什麼不能選A A，D選項有什麼差別嗎

The sun finally came out this morning, so we went on a boat trip. We felt happy and relaxed on the lake. After lunch, we did some sightseeing here, such as Princess Bridge we enjoyed gamisinve 0210 Walls D and Soldier Tower. In the evening, we went to Dragon Village 27. singing and dancing until 3 a.m. 9 27. (A), which (C), whose (B), that (D), where where = in which

想問第十題為什麼是A

BCD 9. BCD B ECO Son: Mom, is my blue jacket? Mom: It was dirty, so I put it in the washing machine. (A) how (B) what (C) where If you don't know before checking with Mr. Lin. (A) whether (B) what we should clean the table, we'd better do nothing (C) whose 11. You went on a bike trip with Doris last month, (B) didn't you (A) don't you (D) weren't you (C) wouldn't you (D) who ? (D) which

不太會動詞的用法…

a BA AC D CD D 11. Tom forgot DB Harry Potter, so he's buying it again in the bookstore now. (A) to buy (C) bought ) 13. Tom 12. I usually help my mother housework on weekends. (A) do (C) does (A) loses (C) will lose (B) buying (D) buys ten pounds over the past two months. He looks much thinner now. (B) doing (D) did the (B) has lost (D) was losing 14. Today's homework is very hard, I spent almost two hours it. (A) to finish (A) bought (C) buy REDMI NOTE 8 PRO AI QUAD CAMERA (104 國中會考) (B) finish (C) finishing (D) finished 15. This trip to Japan was so wonderful, so we decided it again next year. (A) will visit (B) visit (C) visiting (D) to visit 16. I got good grades on the English test, so my father spent much money an MP3 for me. (B) to buy (D) buying planned to make a trip to

不懂

1. Amy practices 2. I want 3. Mike enjoys 4. Tony is not good at 5. I decided 6. They need (play) the piano every evening. (be) an actor in the future. (play) soccer on the weekend. (sing). (take) a trip to the UK this summer vacation. (clean) the house this afternoon. A

想問這幾題～

4. The cellphones that (A) make in that country are good but expensive. (B) are making (C) have made (D) are made 5. These pictures (A) took (110年會考補考) when we took a trip to Kenting National Park. (C) were taken (B) will take (D) will be taken (90年第一次基測)

想請問一下這樣翻譯文法通不通順，謝謝🙏

-S. 5. 許多學生認為熬夜準備考試能夠使他們得到好成績。 Mony students regard that stalel up to prepare test could lead them get good grades.

求11 13 16 19 講解 ，這四題不太懂 謝謝🥹💕

and he doesn't even know her name. (A) daughter (B) friend (C) stranger" (D) teacher 陌生人 2. (B)Every time my family goes out, my brother is always the last one to often have to wait for him for a long time. 3. (A) cultures (B) interviews (C) notebooks (D) dictionaries 4. (My dad is a 5. (A) cheer up (B) get ready (C) give up (D) slow down D₂ )It was Tina's dream to travel around the world. She has traveled to many countries and experienced different (A) hopes (B) planets (C) value (D) presents 6. (.)The new policy about women's right for education has country. (A) engineer (B)gender (C) allowed (D) raised 7. (B.) A:Do you like Jackson 's song of "Singing with your heart"? B: In my it's the worst one of the Top 10. 8. ( ·0 (A) hopes (B) opinion (C) plants (D) presents )Please send me 9. (A.) on your trip so I can learn some different culture of other countries.. (A) lawyers (B) presents (C) genders (D) e-mails Ken is looking for a new job because he doesn't want to be a (A) lawyer (B) pleasure (C) stranger (D) daughter 10. ( .(() ) A: Mom and Dad won't be home until next Wednesday. B: Can I use mom's (D) culture 4. 15. ( 二、文法測驗: 11. 16. 7. ( He likes to talk to people and explain how great the cars are. (A) mailman (B) policeman (C) salesman (D) fisherman Although the house has been lived for ten years, it still keeps its high and attraction (A.) do The salesman has sold five cars this month, 12. (A) has (B) hasn'tPP (C) does (D) doesn't 13.((. )I can't go to the movies with you because I D without asking her first? (A) present (B) pleasure (C)notebook 18. B Thanks to my friends, the work can K. ite on time. (B) have done (C) be done (D) been done hasn't he? We (A) have told (B) told (C) was told (D) been told Sean seldom cleans his house, (A) doesn't he (B) does he many discussions in the anymore. not to go home late tonight. )A: I have no idea (A) where to buy (B) what to bring (C) why to go (D) how to read ? (C) has he (D) hasn't he for the interview. B: An honest heart and nice smile. You've finished your science report, (A) did you (B) didn't you (C) haven't you (D) have you ) "Can you tell us who was watching movie with you this afternoon "? is a common question that popular stars on TV interviews. (A) will to be asked (B) what to be think (C) how to be asked Whether my aunt this afternoon or not, my grandma's still be held on time. We have prepared it for three weeks. (A) is coming (B) comes (Ⓒ) will (C) will come (D) has come 現在式代替來 D) are often asked birthday party will

你好，想詢問第三題為何不能選A呢？ 謝謝

Ballantine Hotel guests. (A) exclude (C) exclusive 3. Although most of the garden tools were sold during the spring sale, the store manager marked down the remaining --- at even lower prices. PAK... 剩下的 (A) those (C) ones (B) exclusively (D) exclusion 價格 (B) other (D) something --- it has been 4. Eckley Corporation is only a medium-sized company, granted more patents in its field than many of its larger rivals. (A) yet (B) or

為什麼不能選a呢

(A) 8. At that time, May's husband (A) was checking (B) checks (A) 9. When Judy _____ home last night, her sister (A) came was playing (C) came; is playing 10 What his e-mail on the Internet. (歸仁 103) (C) is checking (D) check the piano. (歸仁 103) (B) was coming; played (D) is coming; was playing you (A) were doing (B) did ; do (C)11. He was cleaning the house when his girlfriend (B) coming (C) came (A) to come 12. Which is right? ↑ holding (A) They are talking about hold a party for Jane. 食动 (B) Please bring me it on time. bring it to me (C) I plan to not take a trip to Canada next month. for your mom on Mother's Day?( (C) are doing E103) (D) were do in. (屏中正 103) (D) is coming (屏中正 103)