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自然 國中

請問第40題求算法

《空氣汙染防制法》已在立法院三讀通過,環保署2018年6月26日正式宣布,將分階段實施10年以上老 舊汽機車加嚴標準以及管制其進入劃設空品區,首波將在2020年1月起實施,將針對二行程機車和一、二期 柴油車開限制。 環保署規劃,機車分兩階段加嚴排放標準,第一階段從2020年1月1日起,16年以上的機車,必須符 合一氧化碳(CO)3.5%、碳氫化合物(HC) 2000ppm 第四期的排放標準;第二階段,2022年起,出廠15年 以上的機車,需符合CO3.5%、HC 1600ppm 第五期排放標準,推估加嚴標準後,約有491萬台機車受到影 響。 漂浮在空氣中類似灰塵的粒狀物稱為懸浮微粒(particulate matter,PM),PM 粒徑大小有別,小於或等於 2.5微米(um)的粒子,就稱為PM2.5,通稱細懸浮微粒,單位以微克/立方公尺(ug/m²)表示之,它的直 徑還不到人的頭髮絲粗細的1/28,非常微細可穿透肺部氣泡,並直接進入血管中隨著血液循環全身,故對人 體及生態所造成之影響是不容忽視的。 節錄自行政院環境保護署(http://air.epa.gov.tw/Public/suspended_particles.aspx) 39.( )已知 ppm 是濃度的表示方式,即是毫克(mg)/公升,從文中可以判斷環保署規劃2022年起,每 150c.c. 的機車廢氣中碳氫化合物不能超過多少公克? (A)2000 (B)1600 (C)1.600 (D)0.240。 40.0 1)若空氣中懸浮微粒的平均密度為4.0g/cm²,則摩托車通勤族在1cm²的空氣中約吸入多少體積的細懸浮 微粒? (A)8.0×10-6cm² (B)9.6×10-cm² (C)5.5×10-5cm² (D)1.1×10-4cm²。 va

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自然 國中

請問40題怎麼計算

《空氣汙染防制法》已在立法院三讀通過,環保署2018年6月26日正式宣布,將分階段實施10年以上老 舊汽機車加嚴標準以及管制其進入劃設空品區,首波將在2020年1月起實施,將針對二行程機車和一、二期 柴油車開限制。 環保署規劃,機車分兩階段加嚴排放標準,第一階段從2020年1月1日起,16年以上的機車,必須符 合一氧化碳(CO)3.5%、碳氫化合物(HC) 2000ppm 第四期的排放標準;第二階段,2022年起,出廠15年 以上的機車,需符合CO3.5%、HC 1600ppm 第五期排放標準,推估加嚴標準後,約有491萬台機車受到影 。 漂浮在空氣中類似灰塵的粒狀物稱為懸浮微粒(particulate matter,PM),PM 粒徑大小有別,小於或等於 2.5微米(um)的粒子,就稱為PM2.5,通稱細懸浮微粒,單位以微克/立方公尺(ug/m²)表示之,它的直 徑還不到人的頭髮絲粗細的1/28,非常微細可穿透肺部氣泡,並直接進入血管中隨著血液循環全身,故對人 體及生態所造成之影響是不容忽視的。 節錄自行政院環境保護署(http://air.epa.gov.tw/Public/suspended_particles.aspx) 39.( 1)已知ppm是濃度的表示方式,即是毫克(mg)/公升,從文中可以判斷環保署規劃2022年起,每150c.c. 的機車廢氣中碳氫化合物不能超過多少公克? (A)2000 (B)1600 (C)1.600 (D)0.240。 40.( / )若空氣中懸浮微粒的平均密度為4.0 g/cm²,則摩托車通勤族在 Icm²的空氣中約吸入多少體積的細懸浮 微粒? (A)8.0×10-6cm²(B)9.6×10-6cm² (C)5.5×10-5cm² (D)1.1×10-4cm3。 ILOD ma 49, 0.0

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英文 國中

幫我解答全部題目答案,因為我全部都不會

V 31 3 @Z/9 op www 1/9 ELOZOF 11 mp 1 What day 49 421-1 What time at 007 114 115 there are 17 ANDA 3x6 m ²²m 18 19 10210118 84 237 英語科 第2 次複習考 第2單元 8114~6 ·單題,請依文意選出一個正確或最佳的答案。 (每週3分,共453) (D) 1. What day does the boy have science class? A) On Wednesday. On Thursday, (C) On Tuesday. (D) On Friday. (A) hurry () 3 lan: Do you have the Amy: It's ten to ten, A second (B) date (C) minute Di time () 4 When Nancy studied in the USA, she lived house two American girls. A in; of (Cof, with () 5 On Chirldren's day, tickets to the zoo is (A) free (B) famous stays (A) somewhere () 2 My parents will come home late today, so they ask me to the dog after school, (1) go (C) walk ? (B) at; with (D) in; with (A) doesn't have (C) has () 13 Listen! A baby (A) cry (C) is crying () 14 I have to get up early, (A) and () 15 Ruby Sun Let's go check. (D) run (D) strong (C) quiet () 6 The man went to the hospital right after a nose. (B) kiss (A) blow () 7. Lily likes to listen to (C) cry when she is sad. (C) music (A) card (B) movie (D) spell & You are all wet. Go take a bath and make the water as hot as you can or you will catch a cold. (A) fight (B) bear (D) put (C) look () 9. Hang up the phone, please. David won't get lost. He just to cool off. (B) cries (D) cried a Sat to his (D) band (B) here (D) now (C) later ( ) 10 Did you see my black dress? I put it (A) between (B) on (D) over (C) at () 11. Fans up to see their favorite singer in front of the department store. (A) meet (C) hide (D) shake (B) line any cloud in the sky. It will be a lovely day. () 12 There (B) isn't (D) don't have 11 AT A MAR 304 the bed. I will miss the school bus. (C) when (B) or (D) until the dishes now, but she has to take out the trash later. (A) does (B) do (C) is doing (D) did 二、題組:請依所附的短文或圖表,選出一個最適當的答案。 (16~20題每題2分,1~5題每題3分,共55分) (16~20) Zoe: Hi, that's a cool bag. Alice: Thanks. Are you a fan of Red Bear? Zoe: Yes, 16 my favorite band. By the way, my name is Zoe. Nice to meet you. M B23 M Alice: Nice to meet you, too. I am Alice. A-L-J-C-E Zoe: I didn't see you before. Are you new here? Alice: Yes, it's 17 first day at school. Zoe: 18 are you from? Alice: I am from France, like my father. Zoe: Cool, Oh, the bell 19 19 What class are you in? Alice: I am in Class 801 Zoe: Me, too. We are classmates. There 20 a big tree in front of our classroom. Let me show you around. () 16 (A) there is (C) it is ( ) 17 (Wa (C) my ) 18 A) When (C) Who (19 (A ring (C) rings () 20 N have (C) are (21-22) (1) it has (D he is (D) me (1) Where (C) 《背面有試題 2-1》 (Di What (B) is ringing Alaska Boat Trip Guide This guide will help you know more about animals in or near the sea. You can see it during your trip. () 22 Which is true? (D) rang (B) bas (Dis Puffins live on the sea, and they are good at swimming. They have black, white and grey body. Their beaks are black and orange. They look cute, so they are very popular. In May, they come here to build. their nests. You can see them flying over the sea with some fish in their beaks. www. Killer whales are black and white They are not whales. In fact, they are in the dolphin family. We usually see them swim in a group and we call it pod. A good time to see those animals is from June to September. guide thi whale dolphin beak nest () 21. Which picture shows pod? (A) 2 (B) (DI (A) Puffins have black and white beaks. (B) The best time to see killer whales is in early spring. (C) Both animals can live both on land and in the sea. (D) Both animals are black and white.

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