這題可以怎麼證明？謝謝 然候第二題要怎麼繼續證明

n+1 an On = 3xxz蛋、 9. 當 n ∈N,試證:1+2+3+……+(n-1)+n+(n-1)+………+3+2+1=²。 ①當1:1時、原式=>(1+i)+1+(1-1) = {} #₁ -+* -sot' È

想問44 他的答案是怎麼得出來的 先發展於北美那跟義大利有什麼關系

C 111-W3 英文考科 第6頁 共7頁 43. What can we learn about pineapple on pizza from this passage? (A) A great majority of people in the world enjoy this combination. BIt was invented in Hawaii and becomes popular all over the world. It is so harmful that it has been destroying families and friendships. (D) It wasn't until 2009 that it became a hit in Italy and all over the world. 44. Which of the following statements about the relation between Italian people and pineapple pizza is TRUE? ANt will be enjoyed by a small minority in the EU though many dislike it. (B) How it is made and produced will be preserved under a law from the EU. Its global appeal will be protected by the EU after it keeps evolving. D) It will break with tradition and have a chance of becoming a hit. 46. In the last sentence of this article, what does the author try to imply? alolqua9 (A) (A) They hate it so much that they have decided to make it unlawful in Italy. Though pineapple pizza is unwelcome in Italy, it is invented here. A (C) Some Italian people can accept it because it breaks with tradition. (D) Pineapple pizza has been part of their food culture since long ago. 45. Based on the second paragraph in this passage, if a kind of food is given a TSG status, then what would happen? (A) Putting pineapple on a pizza is illegal, and putting ketchup on a hotdog is also illegal in the US. (B) Putting ketchup on a hotdog is more acceptable than putting pineapple on a pizza in the US. (C) Putting ketchup on a hotdog and putting pineapple on a pizza are legal in the US. (D) Putting ketchup on a hotdog has nothing to do with putting pineapple on a pizza in the US. 第貳部分、混合題(占10分) 限有笑顯光標示題號的作答區內作 ghe oir 分 it th e 5 C vh as VO 14 r 1

想問第3題，為什麼不能選其他選項?答案是D

in 3 S a ve ying fertilizer," bees are an essential part of our ecosystem. Numerous and other bugs that spread pollen. Though it may sound far-fetched, bees are indeed However, bees around the world have been i 2 closely related to 1 in large numbers since the 1970s. Human activity has negatively impacted natural habitats of many species, one of them the natural habitat of bees.ap aretoanothid@gy and - Yet the alarming rate in 3 bees are disappearing suggests an even more severe crisis the Earth is going through, namely, ecological imbalance. When a healthy biodiversity is compromised, the delicate balance of nature will be upset thus putting more and more species 2 extinction. They do 4 electri Amish homes havbild and managed are essential P bees that ensure the reproduction of thousands of wild plant species and 85% of all cultivated crops. The 5 in wild bee populations might follow, or even be more pronounced than that in insect populations. e forcinga mich c Then, many animal populations are faced with the problem of decreasing drastically. in and the Mog of the uniquen ABO (B) earth origins These 1 (A) human survival becom source of Torino (C) artificial intelligence lizzo moi (D) social morality nodis A facities are gradually gover 2 (A) dying off (B) paying out noia (C) turning down blo anlands (D) calling back and Q3 A) Amish ause of Tener Monique (B) whose yldizzd (C) what (D) at which om OS B ms. (D) in terms of w 4 (A) in charge of 122 (B) at risk of dur (C) on grounds of us (B) greed 5 (A) trauma ban (C) decline (D) format ghol of the many endangered species. They have that

紅底線這句的句型結構是怎麼樣的 可以教我怎麼判斷這格該填的詞性嗎🙇

S gigt This kind of reading, the involvement with the novel as art and not as escape or fantasy, is demanding. Readers must be prepared to 14 their own imagination, intelligence, sympathies, moral judgment and powers of concentration. The experience is challenging, especially when the novel webre15mi is a masterpiece. The great novel may force us to question long-held assumptions about 16 We will, to some extent, be changed by it just as we would be changed by 17 events in lived experience.

請問第一題為什麼會選a－後面加ing？

• 綜合測驗 The hole in the ozone layer over Antarctica that protects life on earth from 紫外線 the sun's ultra-violet rays Jis shrinking and will be closed by 2050, according to an chlorine from chlorofluorocarbons Australian scientific team. The level of 1 (CFCs) in the atmosphere has begun to fall some 30 years after the hole was first detected. At its peak, the hole was three times the 2 of Australia. Developed in the 1930s as a domestic refrigerant, CFCs were added as propellants to spray cans issued to U.S. troops in World War II. Then they came into common use in refrigerators, air conditioners and 3. to 5 current The ban imposed on CFCs in the 90s under the Montreal Protocol has been proved 4 This successful global endeavor to save the ozone should efforts under the so-called Kyoto Protocol to curb production of greenhouse gases which cause global warming. In a world where effective action on climate change is dreadfully slow, we must hold onto the wins we have and use them to model the future. AB (C) eating-ozone (D) eaten-ozone (C) gap 1 (A) ozone-eating (B) ozone-eaten (D) size

請問第9題為什麼選C

上午、下午及晚上。 隔天早晨。 更為強烈。當 ever用 —甜相机 (B) a great class leader being a great class leader (D) as a great class leader 三、綜合測驗 1. In 1843, Henry Cole was a popular man. However, this popularity was causing him some trouble. Specifically, he received a lot of mail, sometimes so much that he didn't know (1)__ to reply to all of it in his free time. To solve this problem, he hired an artist named J. C. Horsley to draw a family_(2) was celebrating Christmas and then had this image printed one thousand times on postcards. On each card, there was also space to write a person's name and a short message. This is how the first commercial Christmas card was born. Did Cole know that Christmas cards would (3) sit over the fireplaces* in so many houses? Probably not, but his friends quickly_(4)___ Christmas cards an annual tradition. Fast forward to 1873, and a man named Louis Prang had succeeded in making Christmas cards popular throughout the US. The front side of each of Prang's cards read "Merry Christmas," accompanied by an image of beautiful flowers or animals. In the late 1880s, many card companies were competing (5)__ one another. However, Christmas cards went through their biggest change in 1915, when the Hall brothers made cards larger so that people could write longer messages. The Hall cards featured images of Santa Claus and had cheerful messages__(6)____ inside them. These cards were folded once and ____(7)_ (9) inside envelopes. Since then, people ____(8)____ the tradition of giving Christmas cards alive. Cards these are a big part of today's shopping and gift-giving practices. Many people around the world can't (10) to give and receive them when Christmas is coming. What started as a convenient way to send letters has become not only a big business but also a wonderful tradition. 註:fireplace 壁爐 (B) (1) what (B) how who (D) which (D) (2) where (B) what (C) how (D) that (two days (B) that day (C) one day (D) those days ( ) (4)(A) made (B) had (C) caused (D) allowed (D) for (C) under (C) printed B) (5)(A) between (B) against C) (6)(A) printing (B) to print (7)(A) placed (B) grabbed D) (8) (A) kept (B) would keep (C) coached (C) was keeping (D) have kept (9)(A) with (B) as (C) like (D) besides (10) (A) come (B) wait (C) bear (D) bring 1 (D) print (D) delivered

請問第4題為什麼選B?

2. 3. 4. 乃 jumping up and down. (Atoo; to (B) so; that (C) such; that (D) enough; to Eric took a walk in the neighborhood, he bumped into one of his former classmates. (A) As (B) Which (C) That (D) What ) I'll have a busy schedule tomorrow. If you need to reach me, I at this time A tomorrow, which means I'll not be available. (A) will have a meeting (B) am having a meeting would be holding a meeting (D) will be having a meeting ) Having a sense of responsibility makes Jack (A) to be a great class leader (B) a great class leader being a great class leader (D) as a great class leader 三、綜合測驗 1. In 1843, Henry Cole was a popular man. However, this popularity was causing him some trouble. Specifically, he received a lot of mail, sometimes so much that he didn't know (1)___ to reply to all of it in his free time. To solve this problem, he hired an artist named J. C. Horsley to draw a family____(2)____ was celebrating Christmas and then had this image printed one thousand times on postcards. On each card, there was also space to write a person's name and a short message. This is how the first commercial Christmas card was born. Did Cole know that Christmas cards would _(3)___ sit over the fireplaces* in so many houses? Probably not, but his friends quickly _(4)___ Christmas cards an annual tradition. Fast forward to 1873, and a man named Louis Prang had succeeded in making Christmas cards popular throughout the US. The front side of each of Prang's cards read "Merry Christmas, accompanied by an image of beautiful flowers or animals. In the late 1880s, many card companies were competing in 1915. when the Hall

想問這幾題 想問為什麼錯的不能用+對的為什麼能這樣用？🙏

英文考科 二、綜合測驗(占10分) +3 on 說明:第11.題至第20.題,每題1分。 bodzowbred no 第11.至15.題為題組 In 1956, African honeybees were introduced into Brazil to improve honey production in the tropical climate of South America. However, they started to mix with European honeybees already living there and produced a new kind of "Africanized" honeybees that are better at setting up hiyes and at reproducing than European bees. Keeping Africanized bees poses a challenge to beekeepers. Generally, beekeepers keep their bees in 11. wooden boxes, or hives. s. Afte After the worker bees fill a hive with honey, the beekeepers open the lid of the hive and blow a few puffs of thick, cool smoke into the hive to help calm 12. easier to collect the honey. the bees, 第 2 頁 共 10 頁 The problem with keeping Africanized bees is that they are more defensive than European bees. Even the slightest bump against the hive may 13. an alarm. A large quantity of smoke is needed to calm the bees. Two or three beekeepers may need to work together to safely harvest the honey. And they may need to wear heavier beekeeping suits even in hot, 14. weather. Beekeepers may also collect less honey from Africanized bee hives. European bees form search parties and work together to collect flower nectar from which honey is made, while Africanized bees usually work alone in search of flowers. Therefore, less nectar is brought back to Africanized bee hives. Africanized bees also spend less time storing honey but more time caring for young bees. That may be because they 15. in a tropical climate where not much honey is needed for food during the winter. (C) starved AB 11. (A) stacked door Lyc (B) stuffed obl (A) which make them (B) so that they are (C) thus it would be D (B) go off (C) call off (A) get off (D) staffed (D) making it DLL CC

請問為什麼要用過去式（第26題

題組】 Smallholder coffee farmers often earn less than they need to survive. The story of Miguel, a smallholder coffee farmer in Africa, is a case in point. Miguel did not own a big farm, so he could only produce a small crop and make a small profit. This situation 268 as Miguel's coffee beans had to go through many middlemen before they reached the retail elves. As a result, Miguel only got about 7% to 10% of the retail price as his earnings. Besides economic challenges, Miguel also faced social and environmental problems. Miguel's community lacked infrastructure such as roads, schools, and hospitals. Without these, the community could not function properly, let alone help Miguel, 27 his problems. What's worse, Miguel used cheap pesticides to

這種題目只能用背的嗎？

16. 在化學反應中,本身獲得電子而還原,但使另一物質被氧化的試劑,稱為氧 化劑。下列各化學反應中,畫線的物質何者屬於氧化劑? (A)利用二鉻酸鉀來檢測汽、機車駕駛是否酒駕 Crog (B)烘焙麵包時添加碳酸氫鈉使麵包蓬鬆不是还. (C)水族箱換水時加入硫代硫酸鈉去除水中的殘氯 1 (D)服用維生素C,具有抗氧化的功能,可促進鐵的吸收 (E)在雙氧水中加入二氧化錳後產生氧氣 (A) K2Cre On + 3G Hso4+4H2SO4 (5604)3+K2S4+3CH3CHO+7H2O (C) Ng, $203+4Cl2 +5 HO 2NaHSO4+8HC 还原到 15266 Hq (p)DH MOTOS (30) EPC