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中學(xué)生科普英語(yǔ)趣味閱讀(存儲(chǔ)版)

  

【正文】 less weight they can carry—depending on the helicopter,maybe not even its own weight—and the smaller the margin of error for the helicopter pilot and rescuers. 這就意味著你飛得越高,你能攜帶的重量就越少—這都取決于你乘坐的直升飛機(jī),可能甚至因?yàn)轱w機(jī)本身的重量而不能飛至某個(gè)高度—而飛機(jī)飛行員和救援者的誤差幅度就會(huì)越小。2) A vaccine is a medicine that contains a weak form of a disease that people can fight off to develop immunity to the actual disease, 疫苗是一種能夠通過(guò)控制疾病處于較弱狀態(tài)而使類能夠自行抵抗并對(duì)現(xiàn)行的疾病提高免疫力的藥物。Social organizationI. Vocabularyhierarchy層級(jí),等級(jí)制度submissive順從的,柔順的rank排列,分等instinct本能herd獸群paratively比較地,相當(dāng)?shù)豣aboon狒狒troop組,群,軍隊(duì)nursing mother奶媽remainder剩余的人,余數(shù)encounter遭遇,邂逅,遇到maneuver調(diào)遣procession隊(duì)伍II. Notes to difficult sentences1. Groups of mammals that do not seem to maintain any particular order when feeding or moving about are, in fact, highly organized.哺乳動(dòng)物群落看似在進(jìn)食與移動(dòng)時(shí)不保持特別次序,事實(shí)上他們是非常有組織性的。2. Finally,there are humans, whose very dominance is based partly on their ability to walk on hind limbs alone. tramp emergency)3. exotic (with)(鳥、獸)交配11. whisker . Private schools regulate the bahaviour of students. 他和孩子是怎么交流的?Para 23. distinctive 房地產(chǎn)生意興隆。 212. moss 豐富的,充裕的(II) Notes to the sentences Para 2The forests are home to evergreen trees. 森林是常青樹的生息地。 突破Para 42. ferociouslooking(Edited by Shao Chongwen)(Edited by Shao Chongwen。v.filament燈絲carbonized碳化的thread線be critical to對(duì)...起決定性的socket插座vacuum真空的tube管,電子管,隧道triode三極管=audioninstant瞬時(shí)的,立即的(adj)瞬間,片刻(n)II. Notes to difficult sentences1) Other torches developed when people soaked dried reed plants
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