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自然科學 大學

求解圖裡UICK quiz的第二小題

acit0r 1taneOuls CUrTent Differentiating Equation 27.22 with respectto time gives the inst: as afunction of time: 4 tt號 一Fe ptasafurc 主二 where Q;/有CC 三方 is the initial current. Figure 27.15b 5 in the resistor that we guessedin order to-apply Kirch Equations 27.15 and 27.21. Equation 27.23 shows that the ci ing capacitor is negative, indicating that the current 1s Figure 27.15c. Both the charge on the capacitor and the ct tially at a rate characterized by the time'constant7了三用C. 人 i 一 GOuicK ouiz 27.5 Considerthe circuitin Figure 27.17 and assume the battery has after the switch is closed, what is the currentin the Figure 27.17 no internal resistance. () 」 battery (a) 0 (b) &/2A(G 28/Z04 8/元(e) impossible to determine (ii) After a 有 eyerylong time, what is the Currentin the battery? Choose from the same choices. theswitch is CC (3 前:銜1加信介2放 IntermittentWindshield Wipers nobiles are equipped with windshield wipers that can operate intermittently during alight rainfall. How does ofsuch wipers depend on the charging and discharging ofacapacitor7 民 The wipers are part ofan 及C circuit whose time constant can be varied by selecting different values of及through amultipo- Sition sWitch. As the voltage across the capacitor increases, the capacitor reaches a point at which it discharges and Higgers the wipers. The circuit then begins another charging cycle. The time interval between the individual sweeps of the wiperS 1 determinedjby the value ofthe time constant.

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英文 國中

不知道有沒有寫錯的耶(? 請幫我看看 謝謝!

Me 9 ai ( 108 和May ivyes (AA) who 10Q, )T \B 站 晤 (估) WasS borh the Year ofthe ,which is the first animal sign ofthe Chinese zodiac. ( 同 區ukat BoGonyOx (0C)at; Doge (D) for Pig an aour ( 1128 介 abath when someone turned off the light. “ITwas scared and shouted for help. [101.基測 說AVaS takinp CCB)took (0C)am taking (D)had taken ore you two leave. (A)》 生 (介) the finlsh line in sight, winning was the only thing on her mind. (A) When (B) have been closing Because of (C)With (D)Thanks to )finish _(B)am 1 (2 the living room the bedrooms They all look very clean. (AA)Either: oneed cleaning (B)Notonly; but also; need to be cleaned (C)Neither; nor; need cleaning ( CA Exeept for: on ( D ) Both: and; need to clean 1 (已 )Joe me Several ttmes, and Tm always waltlng for a chance to ( A )cheats:; get os Wi (for: with married (B)has cheated; get even (C) would cheat: win first place (D)cheated: make it 110 人必 )When Dad home, Mom in the Study. (A) was getting; read (B)got: was )u cannot play both of reading (CC)had got; had read (D)gets; would read poth: and 則 7/0He told the doctor he acough for days.。 (A)hashad (B) would have (C )was )knew (B)have having (D)had had 118. (人 Annie knows fast food is not good for her health, she still eats it. [102.基測」 (A) 6.會考 ] Hit 1 “Although (GB eeanuse (C)If (D) When 119 (202)Arent you worried you'll pay for what you so far? (A)are doing (B 2)havebeen doing (C)had done (D) would do 人 0 》 ) the vet was checking the dog, her smartphone rang.。 (A)If (B)After 《C)Betfore ( D)When 全 AA daughter the house before it began to rain heavily.”How lucky She was! (人 和和 人 CA) 3計 Jeff 中ga BJtner' OT (By) ( (/)Our ClaSS wil山 W1InncTS. 有 Pete_ will be our class leader this time. eryone ln our class hopeS to vote for Not only:;: but also (CC)Both:and (D)Neither: nor “asSwlmmling racee for us, and the_ first Six the river will be fbhe CA)be held; crossing (B)hold: to cross (C)be held: to cross (D)hold;: crosslng on the left leg by ablig dog. (A)has bit (B)would be bitten (CD)Tom told the nurse that he (C )was beling bit (D )had been bitten ( C ) was entering (D )has been entering o任the bed、 (A ) was talkir entered (B)would enter pope When her So

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英文 國中

不知道有沒有寫錯,請幫我看看 謝謝~~

0 89 (CONortonly you but also 人CCStK100& Jate_ for the meeting Just now 人0 )am 本 (CA)are (B)were 《(C2a | TO () 同 their everyday lives。 (A)wt 入 SOpS ale dops to lead and help blind people ie yday 人arelfraiedz for train和 (9) which are trained:in 人 )train: for_(D)are trained: fo 加 同 arried 10 (A)were marr 10. for five years when their first daughter was born A (和)had been married ! CC)would marry (D)were gomg to be married 2和2 ) nobody “going to the game with me,Twil go on my own. )》Whjle; wants_(C) When: keeps A)If: feels like_(B |關 (D)Because; hates | 9 別悅 說he train Jay wanted 各 aready, so he had to wait for the next one for halfan hour. 史 A)woujd jeave 9hasdeft (CCG ) was leaving ( 是 ) had Jeft 旨電 和CA 和 94. (硼 考jther you or AJice 一一 tomake sure that all the windows before youtwe favey cJose(B ) has: wi be closed (CC) need; will close_(D )needs: have been closing 店 同廬GOIUIGSIUIGUI人還還te orie 104.會考]) (A)finish (B)am 4 有njshing ( C )finished (D)wil finish 96. (0 菩還了 Je釦 al the others &ot to 崗e office at nine oiclocek 一一the dot (A)Except forion ( 腹) 了hanks 660洁0 CC) Besides; at (D)Thanks for around l 9Z 但也Di Jef 一sairlfriendss pJace asmile on his face. Ato With 一蝕 ) for: With | (C)at; for (D) im; about 6 98. (De can play the piano the violin at the School party._You cannot play both of ir elther; or (5) neither; nor (C)not only; but also 全|抱讓 both; and 0 99. 全2 shermen Jittle abourt the 1sJand when they arrived 也GG計全全 knew (B )have kown (C)know (D) woujd know J00 (力)rme 所te girl was | U%. y home and was badly (5B8) jed (C)jost (0D)paid 和 2 CA)hit 則0 a ba了 when she saw a Spider on the bathroom wall She shouted for help right away. (A)ftook (5) has faken (C) Would take (D) was taking 120 J02 (人 Wanted fo fake a Photo With her, put my fiends told me because was aTieer (AN fo (有8)Tmusfn和 (G) kk 4 moftake one (0D) Thadn't taken one 9 方he pest Way Out your stress js Hout, preafhe_(C 24to Jet; to breathe 嗎還 (A) letting; to breathe_(B ) to let: 全0全 Jetting; breathing

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英文 國中

求解 不確定有沒有寫錯🤔

goOIngtO DeC 1 would have took: 中 本 only 《G 時 押 the gym for months. (A)Both; and (8B) 4 (食)rhey SUH went hiking the wind blew really hard although (B)but (C)because (D)sSo 及和人 二全 同和 了 Na ee She Ma likes pink the best. (A)either;or_(B,) yy also (1D)both: and 76. (人The weather Trainy and cloudy in the last few days.。Ihope the sun will come out soon.[〔 A) 106:會考」 (和)has been (B)hadbeen (CC)willbe (D)would be 2 CHe went to the doctor and totakethemedicine after each meal ofthe day. (AA) would be (AA) asked (B )had been asked (C )was asked (D)was asSsking 7 (說)How come ]ate for school this morning? “Did you miss the school bus again? (A)did 1Ing you (B)were you_(C)youhad been (D)youwere 襄盡 ( C72The blind not able to seeo ? (A)is;ishe (By)does;doeshe (C)are: are they (CA (D)do: do they 80. Ges. Tu: Robert, wi you Still study in the library this evening? “Robert: Yeah. Ithink Tll study (8 nine.。 Mrs. Lu: OK. IT go pick you up, so just wait in front ofit. (CA)at (B)for ( 人Dofi (黎)5inee ! 8 廊jcimdy told her best friend, Max, that she wanted to win the swimming race, but She always er; gf apoor swimmer. (A)has;been (B)will;be (C)had; been (D)would: be 9 入 開did not know who the boy was then. I him before. (A) would never see (B)have never seen”(C)wil neversee (D)had never seen 2 上 )Anna did not go to the movie with me because she itbefore. (A)hasseen (B)had wafehed (C)would see (D)1s going to watch

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