想請問2 ：B D的時態怎麼從題目判斷？

Test est Yourself PART A選擇題 R 吸 1. Sam is on vacation. He (A) has been Hualien. (A) taught (C) is teaching (B) has gone du En 2. Mr. Chen is an experienced teacher; he (C) has been to Chapter 2 動詞時 (D) has gone to for twenty years. PART B翻譯題 3. 這年輕的高爾夫球選手到目前為止已經贏得一些錦標賽了。 The young golf player has Won a few tournaments so far. 雖然年輕,卻已經環遊世界好幾次了。 waveled (B) have taught (D) has been teaching

請問兩題

Be (A) size (B) star 2 It's seven forty. Even he won't get to school on time. (A) so (B) if (C) or A. 3. A: I'm so nervous in front of Rebecca. B: Just be you. (A) me 二、克漏字選擇。(每題3分,共12分) (D) giant space Ben leaves the house now, (D) until You're kind and funny. She'll like B (B) myself (C) yourself (D) yourselves Ruby: Chad! You are half an hour late. Chad: Sorry. Something happened on my way here. C1 A turned Ruby: What happened? Is everything all right? Chad: Yes. When I was waiting for the bus, I_1_, so I started looking around. And then, I saw a little girl crying at the playground nearby. 2. Ruby: Oh my! No one was with her at the playground? Chad: Right. "She__3. be lost," I thought to myself, so I called the police. I waited there with her until the police came. Sorry for being so late. Ruby: It's okay. If something like that happens again, 4 and let me know. Chad: Sure. I'll remember to do that next time, so you won't be waiting without knowing why. 容 on the radio (C) heard someone crying 2. (A) She was trying her best. (B) She was there by herself. (C) She looked like a pretty doll. (D) She was playing with her friends. ) 3 (A) must (B) is to T 4 (A) you mustn't stop (B) saw the bus coming (D) felt the rain falling on me G (C) you have to be ready 依短文選出適當的答案。(每題3分,共15分) (C) should (D) needs to B (B) you need to walk away (D) you should call me first Dana's Garden is coming back. After a two-month break, Dana's Garden is bigger and better. We will be open on February 14. Call us before February 5 for a table on our balcony, so you and your partner can enjoy a wonderful candle light dinner right by the beach. On our balcony, you can hear waves hitting the beach. You can also see stars shining in the A

請問這題為什麼是這樣啊？🙏🙏🥺🥺

Spectral radance 350 | 300 0 450) 400 (200 1501 100 so 2501 locus of - 35,000 Wavelength 2/nm 上圖為一理想黑體在不同溫度下所輻射出的電磁波波長對強度關係圖。請問下列有關於黑體輻射的敘述何者 確? (A)理想黑體表面之輻射能量會與黑體之攝氏溫度的四次方成正比關係 (B)上圖中物理的絕對溫度排序為12 化絕对 3 (C)輻射能通量密度的公制單位為(J/S) (D)當黑體系統溫度T大於環境溫度T時,黑體不會吸收環境提 輻射能量 (E)當黑體系統與環境達成熱平衡時,便不會受輻射出電磁波 《答案》B (s) 吸收放出( 《解析》(古代四为文学 台 等,適上圖由(0) 《 干 ()

畫線那段話是因為波耳的模型無法解釋為什麼電子不會被吸到原子核上，才導致無法解釋不會放出連續光譜嗎

選 上學 引航 11 物質構造與 后應速率 [1-2|原子軌域 波耳原子模型可以完美的解釋氫原子的放射光譜,卻無法解釋 多電子原子的放射光譜,也無法解釋電子環繞著原子核的圓形軌道 運動,卻不會放出連續的電磁波,並導致電子被帶正電的原子核吸 引,而撞入原子核;原子模型還需要更多的改進。 1-21 量子力學的原子模型 在 20 世紀初,許多傑出的科學家,致力研究電子、原子, 由各種實驗、理論,最後衍生出量子力學可以完整的描述電 王原子中的行爲。 原子結 由於量子力學涉及許多物理及數學的運算,此處簡單 子力學對原子核外的電子之描述。電子因質量很小 (wave)的特性,原子內電子的運動皆可用波函 比大相對應的波動 超任

想問問第9、10題🥺

On a day at the beach with his friends in 1995, David Wagner was involved in an bele accident that changed his life forever. David and his friends were throwing a Frisbee. The 永远 75 83 Ch 1. the ocean. David attempted to chase it the danger. Frisbee was thrown 河图(n²) 追赶() 3., he was lifted up into the air by a huge wave. head.2).balsastid (7) 2. (A) thanks to (A) 3. (A) Suddenly (A) 4(A) Overy cold ton 18% David lost the use of his legs and only had partial use of his hands. He was 5. to 某來西的 全 部分的1005) spend the rest of his life in a wheelchair. However, his doctors believed that playing table 其余的 輪椅 tennis would give him a good chance 6. full use of both hands. It quickly became 充分利用 clear that he was very talented at the sport, and he was keen to show the world__7. (9) As he recovered, he gradually moved from the ping-pong table to a regular tennis court. 恢復() # (adv) 常规的C Hungry 8. success, he began playing competitive wheelchair tennis in 1999. anistan 球场 reba off 法赶到 Ever since, David has slowly 9. his way to the top of his sport. He has now won Fitnu nu avig og er six medals at the Paralympics (the Olympics for athletes with disabilities). In addition, he 此外(adv) 10. as a motivational speaker for other athletes and people with disabilities. His story 砂声的 运动员) 2 of battling against the odds enables him to inspire others. ol (n)oxib T (C)(A) down (B) on (D) around bad (B) in spite of (B) Fortunately (B) About -) 6. (A) recovered (A) 7.(A) what he could do ) 5. (A) buried ) (B) forced A 8. (A) in ) 9. (A) had Q) 10. (A) worked of gaillivignod let yod adi dguoril A.A (C) what could he do (B) recovering 4. (...gni- (B) from (B) made seconds, he landed on his no ba half team (C) toward (V) (B) had worked (D) according to (D) Actually I Actually (C) rather than (C) C (C) Obviously 1(C) Between POLO (C) destroyed (C) recovers (B) how could he do mguons out (D) Within (D) prevented 0 (D) to recover (D) how he could do (C) for (D) through (C) got (D) stood (C) was working (D) has worked pro fri W b

想問問6、9、10🙏🙏

On a day at the beach with his friends in 1995, David Wagner was involved in an bads) magan accident that changed his life forever. David and his friends were throwing a Frisbee. The 張盛 the danger. Frisbee was thrown 3. he was lifted up into the air by a huge wave. head.2).balse tid t 1. the ocean. David attempted to chase it 2. 试图(²) 追赶M David lost the use of his legs and only had partial use of his hands. He was 5. to 某东西的 部分的100p) 全 spend the rest of his life in a wheelchair. However, his doctors believed that playing table 其余的 tennis would give him a good chance 6. full use of both hands. It quickly became clear that he was very talented at the sport, and he was keen to show the world_ __7. __. 热衷子 (90%) 7 As he recovered, he gradually, moved from the ping-pong table to a regular tennis court. 恢復() ² #2 (adv) FORT BEATRICAL 常规的Coop) 球场, a chy Hungry 8. success, he began playing competitive wheelchair tennis in 1999. 法庭 4. seconds, he landed on his of guillid vigned that yod at dguostila. A doui te (10 Ever since, David has slowly 9. ___ _his way to the top of his sport. He has no now won ed finu musvi six medals at the Paralympics (the Olympics for athletes with disabilities). In addition, he 此外 (adv) 10. as a motivational speaker for other athletes and people with disabilities. His story 运动员) of battling against the odds enables him to inspire others. of porib sT (C) 1. (A) down vonta basthalfteam (C) toward Yr (n) (D) around bed (D) according to (8. (A) in it (B) on (B) in spite of (87) 2. (A) thanks to (A) 3. (A) Suddenly ton (A) (A) Overy cold (B) About 5. (A) buried) (B) forced (C) destroyed ) 6. (A) recovered (A) 7.(A) what he could do (V) (B) recovering (C) what could he do ) 9. (A) had J) ) 10. (A) worked (B) Fortunately 2 (C) Obviously guon (D) Actually I (C) Between (C) won our Srlions out (D) Within ON) destroyed (D) prevented F (....gni- (B) from (B) made (C) rather than (B) had worked (C) recovers (D) to recover (B) how could he dood umbrella. (D) how he could do (C) for (D) through (C) got (D) stood (C) was working (D) has worked

第九題為什麼是選B?

解 747 A 車追 J 3 白茶 (( 6. 我必須加速以趕上 Darren,因為他走得很快, I must speed up to go to Darren because he walking fest. catch up with & the difficulties Frisbee was thrown 2. the danger. the ocean. David attempted to chase it 3., he was lifted up into the air by a huge wave. e./__4.___ seconds, he landed on his head. 舉起 長這樣 部份的 5. to David lost the use of his legs and only had partial use of his hands. He was spend the rest of his life in a wheelchair. However, his doctors believed that playing table tennis would give him a good chance 6. full use of both hands. It quickly became clear that he was very talented at the sport, and he was keen to show the world 7. As he recovered, he gradually moved from the ping-pong table to a regular tennis court. Hungry 8. success, he began playing competitive wheelchair tennis in 1999. 第一題如 Ever since, David has slowly 9. his way to the top of his sport. He has now won Basix medals at the Paralympics (the Olympics for athletes with disabilities). In addition, he 7. 儘管遭遇到困難,James決定繼續嘗試,沒有什麼可以改變他的心意。(Despite + N....) there is Despite difficultion, James decided to keep trying- nothing can change his mind. 五、綜合測驗:10% On a day at the beach with his friends in 1995, David Wagner was involved in an accident that changed his life forever. David and his friends were throwing a Frisbee. The 10. as a motivational speaker for other athletes and people with disabilities. His story of battling against the odds enables him to inspire others. 朝向海洋丟過去(有時間追趕 1. (A) down (B) on (C) toward (D) around (B) 2. (A) thanks to (B) in spite of AB (D 4. (A) Over (B) About B) 5. (A) buried (B) forced 6. (A) recovered (D) 3. (A) Suddenly(B) Fortunately A7.(A) what he could do (C) what could he do (C) 8.(A) in (A) had (B) recovering (...gru-(B) from) (B) made ) 10. (A) worked 接起來 and int a d (B) had worked (C) rather than (C) Obviously (D) according to (D) Actually 六 K39 (C) Between (D) Within (C) destroyed (D) prevented (C) recovers (D) to recover (B) how could he do (A (D) how he could do (C) for (D) through (C) got MA(D) stood (C) was working (D) has worke

想請問第17題和23題的解釋 謝謝！

A16 第16至20題為題組 Tai Chi Chuan is a type of ancient Chinese martial art. People benefits. This centuries-old Chinese mind-body exercise is now gaining popularity in the United States. Tai Chi mainly for its health The most familiar aspect of Tai Chi Chuan is the hand form, which is a series of slow-flowing movements with poetic names (These movements, forming an exercise system) 17 "dragons stirring up the wind" and "wave hands like clouds." or the Qi energy, in one's body. 18 one to effortlessly experience the vital life force, Tai Chi Chuan is not only a physical but also a increase communication between the body and the mind and enable one to deal with other people more 19 exercise. Psychologically, this exercise may effectively. It 20 stress and creates calmness and confidence. Relaxation and a feeling of joy are among the first noticeable differences in a Tai Chi student. 16. (A) practice 17. (A) from 18. allow B 19. (A) formal C20. (A) imposes 0 A 21. (B) consult (B) like (B) allows (B) mental (B) offends (A) Therefore C22. (A) officially 23. (A) approach FACE 24. (A) replace & 25. (A) unlucky 16 (B) Nevertheless (B) mutually (B) approaching (B) disguise Billogical 或畫記多於一個選項者,該 (C) display (C) between C) allowed (C) social (C) reduces 第 21 至 25 題為題組 Much like the dove and robin, the bluebird is considered a very lucky sign in most cultures, a woodpecker, when seen near the home, is regarded as a particularly when seen in the spring. 21 good sign. In contrast, the peacock is not 22 seen as lucky. In places like India, the peacock is considered lucky because the great many "eyes" on its feathers are said to alert it to 23 evil. Peacocks are also highly valued in China and Japan, where they are kept as symbols by the ruling families to 24 their status and wealth. However, the peacock receives only scorn from the rest of the world. The feathers of peacocks are considered the most 25 part of the bird because the eye-shaped markings on them are associated with "evil eyes." To bring the evil eye into the home is thus believed to invite trouble and sorrow. (C) Roughly (C) universally (C) approached (D) manage (D) regarding (D) allowing (D) global (D) disturbs (C) distinguish impossible (D) Similarly (D) eventually (D) be approaching (D) represent (D) unnecessary

想請問第18題的解釋 謝謝！

第 16 至 20 題為題組 16 Tai Chi Chuan is a type of ancient Chinese martial art. People benefits. This centuries-old Chinese mind-body exercise is now gaining popularity in the United States. Tai Chi mainly for its health The most familiar aspect of Tai Chi Chuan is the hand form, which is a series of slow-flowing movements with poetic names These movements, forming an exercise system) 17 "dragons stirring up the wind" and "wave hands like clouds." 18 or the Qi energy, in one's body. one to effortlessly experience the vital life force, 16. 16. Tai Chi Chuan is not only a physical but also a 19 exercise. Psychologically, this exercise may increase communication between the body and the mind and enable one to deal with other people more effectively. It 20 stress and creates calmness and confidence. Relaxation and a feeling of joy are among the first noticeable differences in a Tai Chi student. (A) practice 17. (A) from allow 18. (25 B 19. (A) formal C20. (A) imposes (B) consult (B) like (B) allows (B) mental (B) offends 記多於一個選項者,該 (C) display (C) between C) allowed (C) social (C) reduces (D) manage (D) regarding (D) allowing (D) global (D) disturbs

求解🙏

Laser welding is a technique in which a tightly focused laser beam is used to deposit enough energy to weld metal parts together. Because the entire process can be automated, it is commonly used in many large-scale industries, including the manufacture of automobiles. In order to achieve the desired weld quality, a particular pair of steel parts being joined must absorb energy at a rate of about 1.1 x 104 W/mm². A common laser welding system employs a Nd:YAG laser operating at a wavelength of 1.064 µm. At this wavelength, this particular set of steel parts will absorb about 80.% of the incident photons. If the laser beam is focused to illuminate a circular spot with a diameter of 0.020 in, what is the minimum power (in watts) that the laser must emit to reach the 1.1 × 104 W/mm² threshold? (Recall that 1 W = 1 J/s.) W How many photons per second does this correspond to? (For simplicity, assume that the energy from the laser does not penetrate into the metal to any significant depth.) Submit Answer Try Another Version 1 item attempt remaining