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地球科學 高中

地科:請問這題如何判斷“只有壓縮波而沒有剪切波”?

很速度驟 (E)約在Y深處,由於物質 物理狀態變化,再出現S波傳遞 ◎18~19題為題組: 除了地下岩層斷裂之外,火山活動、地下空洞塌陷、大型山崩、大塊隕石墜落、核彈試爆等,也都會造成地震,然 而最近臺灣科學家發現,還有另外一種令人意想不到的地震成因。理論上1999年921大地震後,車籠埔斷層累積的 應力應該已經全部釋放,短期內不會再引發地震,可是數年後地震學家卻在斷層下方一千多公尺深處,測到了很多 次芮氏規模小於1.5的極微小地震,而且這些極微小地震都只產生壓縮波,而沒有剪切波。地震學家立刻聯想到核彈 試爆的地震波,爆炸衝擊會壓縮四周物質,壓縮波從一點向四面八方傳出,沒有剪切破裂。 但如何才會在特定深度,引起無數次像微小爆炸一樣的地震?由於這些特殊的震源大部分都位於含水量相當高、以 砂岩與頁岩為主的桂竹林層內,地震學家推論1999年車籠埔斷層錯動時,強大的作用力把斷層面磨成極細的不透水 斷層泥,阻礙地下水流動,使該處液壓不斷累積,最後將積水區周圍的岩石瞬間撐裂出2~5公分的裂縫,引發只有 壓縮波而沒有剪切波的極微小地震,這項推論是這種地震最有可能的解釋,研究已發表在2012年7月27日的《科 學》(Science)。(參考來源:地下水壓造成的極微小地震。科學人期刊:2012/10/05) 2-2

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英文 高中

想問一下這幾題是甚麼概念謝謝😇😇 第23題答案是B 第19題答案是D

The Internet has replaced books as a major source of information for Taiwanese primary school students, according to a recent survey. The survey was conducted last December, and it that 77 percent of the students considered the Internet to be the most convenient source of information. 14 percent of the respondents said they often 7 books for information instead of going online. Of all the students surveyed, 27 percent said they had never used the 18 The survey randomly selected 4,200 students in 26 primary schools in investigate their reading habits. A total of 4,017 questionnaires were properly 20 parts of Taiwan to by the respondents. According to the survey, five percent of the school children indicated that they did not read any reading materials. Of those who read such materials, 25 percent liked to read comics, 20 percent fables and stories, 15 percent books on natural sciences, and 12.3 percent books on technology. The survey indicated that 45 percent of the school children read at least five books every month; 45 percent of them read less than three per month. (A)took (B)put (C)knew (D)found (A)used up (B)went off (C)turned to (D)made into (A)Net (B)survey (C)books (D)respondents (A)various (B)convenient (C)youthful (D)routine 20((A)taken in (B)given off (C)filled out (D)picked on (D)(A)story (B)comic (C)technology (D)extracurricular 2( )(A)thus (B)further (C)otherwise (D)for instance (A)other (B)another (C)others' (D)the other's 課堂筆記:

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英文 高中

請問21題為什麼要改分詞呢

第 21 至 25 題為題組ysqlinet has abrisit SaodT Staldo Him deas Do you still remember Imhotep, a character referred to as an evil priest in the once blockbuster The Mummy? The movie was released in 1999, written and directed by Stephen Sommers,___21___ Brendan Fraser and Rachel Weisz. Actually, the real Imhotep and what he contributed to Egypt are__22__your imagination. ( For over two hundred years, _23___ have been searching for the tomb of Imhotep, who lived during the reigns of Pharaoh Khasekhem and Pharaoh Djoser. ___24_ as a vizier to Pharaoh, as well as a head architect, priest of Ptah (god of craftsmen), astrologist and skilled sculptor, Imhotep designed the first step pyramid in Saqqara. In the society of ancient Egypt, Imhotep was highly respected for his achievements 25 from arts, science, politics, and also religion. He perfected the way of mummification on the basis of his resourceful knowledge to anthropotomy, then developing ni amlit ni yliveed læsvni of amazing medical skills. What's more, he conducted the first brain operation in history. 21. (A) starred 饰演 ho stars bvsiv e'consibus 22. beneath (B) stared (B) behind (B) archeologists (D) who (D) between-ovil" Tofto of tigil baiw Dist (D) physicists (B) To serve FOR 18 Vel lo (D) Served (D) filling B23. (A) biologists D 24. (A) Serve B 23/65 boinlucane ard alloure oeln squado erros sma2 25. (A) judging (B) covering e'nonna su bus wint mi visas auten (C) starring (C) beyond (C) anatomists___SA illet (C) Serving pivom vured ad (C) depending 0105 oqall how ili dguodt nova Ja noilivsq mwisT

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