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問題的種類

英文 高中

想問第12題 既然有動詞is了 為什麼還能有enable這個動詞 (因為我覺得that S+V 所以就不該有兩個動詞) 另外 關係子句作為後位修飾是什麼意思

-/ ASGUOaCRK 才 (5D)ttesba 可了 人 中 八 11espam 和1啟?7、TCCJtWIHght 脾嘴 (D) WIIHIC 人 和 誠 忽 二、綜合測驗 (10%) 說明:第11 至第 20 題,每題一個空格,請依文意選出最適當的一個選項,劃記在答案卡 | 之「選擇題答案區」。各題答對者,得1分;答錯、未作答或劃記多於一個: 者,該題以零分計算。 3 多於一個選項 第11至15題為題組 還 號 Everyone can agree that puppies are cute. We especially adore them when they 1ook at us Wilth their big, round eyes一the expression called“puppy dog eyes.” Why exactly do puppies have such an irresistible__11 ?Astudy has suggested that dogs have actually become cuter as 和hey've evolved to live With humans. The trait-_12 (dogs to make their eyes look bigger and 畫 set of muscles around their eyebrows._13 係的 which are both cousins and predecessors 位 the modern dog, do not have these muscles, Thus, dogs __14 the ability to Taise their eyebrows like humans do at some point after they branched off from wolves. Being able to make cute expressions allows dogs a better chance of __15 _,as such behavior encourages humans to take ood care ofthem. So far, tt seems to be workingt! 玄紡 11. (A) cushion 先5 (B) romance C) contact 陛 外 12. (A) enables (B) enabled 肝和和 六 7/ 和 13. (A) On the other handf 多狂or one thing -Z侈 (C) hthe long Tutg 全 人以14 (A) ng must be acquiring (C) must have 和 red (D) must ee 交 15 0 敘 和還 _(O) defense ! (D) therapyy, 預尖 蟬 作 1 6 he Ver 一第16至20 還歡和全抱2 (D) appeal 2(D) has enabled In other Words

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自然科學 大學

求圈起來的幾題

補史名www asftrppfysfts 600) For Thoughtand Diseussion tneuish the Aristotelian and Galilean/Newtonian views ofihe ball bounees ofrawall with the same speedithad beforeithit Wall Has its momentum changed? Hasaforoe acted on the 2 Has aforee acted on the wall? Relate your answers to New aws of motion ten use the term "inertias to deseribe human sluggishness 5this usage related to the meaning ofFsinertiae in physics? does aceiling fan continue to rotate even after you have vitched it ofP? Wek erashes into a Stalled cear A student trying to explain the es ofthis event claims thar no forees are involved: the car Tin the way”so itgot hit Commen foot astronaut kicks a ball, hard, across aspace station balls apparent weightlessness mean he astronauts toes 下avity on Jupiters moon Io is one-fifth that on Would happen te your weight and to your mass if nIo? tis the direcetion of momentum oFamoving body? Does it Fthe body: plane aceelerates down the munway, you take your keys r poeket and suspend them by a thread. Do they hang force from the chairon you. iir? Hnot, what forees are fxerrisesaned Problems 85 $ 還2620Groeoeoeardaoeos WiA poaor Wonoeno0 Op ir oa 20。 Staring frorm rest and undergoing constan acceleratiom,a920-kg ar covers 410 min $.15 8. Find the foree on the car 21 dropping dontest, a student encatses am 83-g cgg in large Styrofoam block. fs g emn'texceed 2.0N and 計the bloek hits the g pow mueh must the Styror jompress on impaet) Note: The aceelei assoeialed with stOppi gravity while the Styrofe the ground. 22. Inatront-end collision, a 1400-kg car with shockzabsorbing bump: ems can withstand amaximum force of 75kN before damage Gccurs: Hthe maximum speed foranondamaging collision is 9.0 kmzh, by Bow much must he bumper be able to move relative to the car? section 4.4 The Force ofGravity 23。 Show that the units of aceeleration can be written as N/kg- Why doesitmake sense to give gas 9.8 N/kg when talking about imass and weight? 24. Your spaceship crashes on one of the Sun's planets, Fortunately 上 the ship's scales are intact and show that your weightis 680 N.H your mass is 58 kg, where are you? (imr: Consult AppendixEE) Your friend can barely lift a 35-kg concrete block on E: massive ablock could she lift on the Moon? 26 Acereal box says "net weight 350 grams” Whats the actual Weight ta in SLunits and (b) in ounees? 27. Youre asafety engineerforabridge spanning the U,S-Canadian border. U.S. speeifications permit a maximum load of 10 tons What load iimit should you speeify on the Canadian side. where welght is given in kilograms? 28.。 The gravitational acceleration atthe lntermational Space Stations altitude is about 91凶 oFits surface value. Whats the weightofa 64-kg astronaut atthis altitude? ection 4.5 Using Newton's SecondLaw A 50-kg parachutist deseends atasteady 40 km/h. What foree does air exert on the parachute? 30, A 960-kg motorboat accelerates away from adock at2.1 m/s Its propellerprovides a3.9-kN thrust force. What drag force does the water exert on the boat? An elevator aceelerates downward at2.4 ms. What force does the elevator's floor exertona52-kg passengery 32. At 560 metric tons, the Airbus A-380 is the World's largest air- liner Whats the upward force on an A-380 when the plane is (am flying at constant altitude and (b) aceelerating upward at 15m/s2? 33. Yourre an engineer working on Ares 1 NASAs replacement tor the space Shuttles. Performance speces call for afirst-stage TOcket Gapable ofaccelerating atotal mass 0f 600 Me vertically ftom Testt0 7700 km in 1.7 min. Youre asked to determine tbe re- quired engine thrust (force) and the foree exerted ona79-kg as- tronaut during Tiftoff. What do you Teport? 34. You step into an elevatorand itacceleratesto adownward speed gfF8.8 mAS in 2.4 5 Quantitatively compare your apparent weight during thistime with youracetual weight, 44.6 NewtonsThirdLaw ional foree does 3 5600-kg elephant exer 必 63. she jumps ofta140-emhi過台 人 rdheras she falls?

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