【正文】 來放大玻璃瓶的微小形變。，上海世博園啟動了霧森降溫系統(tǒng)以緩解暫時的悶熱，該系統(tǒng)自動向空氣中噴灑水霧，水霧在__________（填寫物態(tài)變化名稱）過程中從周圍__________大量的熱，導致周圍溫度明顯__________。根據(jù)圖線分析：你認為造成兩同學圖線差異的主要原因可能是______________________________。在屋前，他發(fā)現(xiàn)了一個吸水器，于是便用力抽水，可滴水全無。大堰河，為了生活，在她流盡了她的乳液之后，她就開始用抱過我的兩臂勞動了，她含著笑，洗著我們的衣服，她含著笑，提著菜籃到村邊的結冰的池塘去，她含著笑，切著冰屑窸索的蘿卜，她含著笑，用手掏著豬吃的麥糟，她含著笑，扇著燉肉的爐子的火，她含著笑，背了團箕到廣場上去曬好那些大豆和小麥，大堰河，為了生活，在她流盡了她的乳液之后，她就用抱過我的兩臂，勞動了。(2分)_____________________________________________________________________________(3)請你根據(jù)文中提供的語境發(fā)揮想象，寫出紙條上所加的話。__________________________________________________________________________________________________________________________________________________________，完成后面的問題。②實驗中水的沸點為__________℃③__________由表中數(shù)據(jù)得出的結論是：__________?！肮狻弊郑阉玫桨凳??！?C．丙說：“防止自己的講話被游擊隊員偷聽。en paid to the safety of the schoo1 bus and children are wamed to obey the traffic rules and be careful all the time．第二篇：初二下英語期中試卷初二下英語期中試卷一、看圖，聽對話，選擇與對話一致的圖片一遍。I____________time with my friends this weekend．2．今天比昨天熱，下午我們去海濱怎么樣? It’s________today than yesterday．What about_____to the beach this aflemoon? 3．他花了兩個小時步行到學校。對話或獨白朗讀兩遍。1．A：What is your sister going to do when she grows up? B：She hopes to bee a nurse．2．A：Eating more vegetables is good for your health．B：So it is． 3．A：More and more jobs Can be done by robots in the future． B：Maybe．But people are cleverer than the robots all the time 4．A：How’s the weather tomorrow? B：It may be rainy．I39。閱讀下面短文，從各題所給的四個選項（A、B、C 和 D 中選出最佳選項）If I bee an athlete will I be happy For many young people 1 a professional athlete might seem like a dream bee a professional athlete you ll be able to make a living 2 something you bee famous people all over the world 3 athletes givemoney to schools and charities and do a lot of 4 to help is a greatchance that many people do not professional athletes can also have you are famous people will watch you all the time and follow can make life you play sports for a living your job will 7be very professional athletes get if you bee rich you willhave a difficult time knowing who your real friends fact many famous peopleplain 9 they are not say they were 10 before they became richand beeing bee do know know job difficult difficult time times happy六、閱讀理解（20 分）A A traveler came out of the were a lot of asked every taxidriver his he took the third cost 5 dollars from the airport to the hotel.“How much does it cost for the whole day ” The man asked.“100 dollars ” said the was very expensive but the man said it was taxi driver took the man showed him all the parks and museums inthe the evening they went back to the traveler gave the taxi driver 100dollars and said “What about tomorrow It’s another 100 dollars.” But the mansaid ”That’s OK See you tomorrow.” The taxi driver was very next day the taxi driver took the traveler everywhere visited all theparks and museums again and in the evening they went back to the man gavethe taxi driver 100 dollars again and said “I’m going home tomorrow.” The taxi driverwas sorry because he liked the traveler and above all 100 dollars a day was a lot ofmoney.“So you’re going do you e from ” he asked.“ I e fromNew York ” said the traveler.”I have a sister in New name is know her ” “Of course I know gave me 200 dollars for you ” did the traveler e from did the traveler take the third taxi Because other taxi drivers asked for more money third taxi driver was a kindhearted man didn’t want to spend his own money on the ing visit other drivers didn’t like him the cost traveling one day by taxi may be dollars dollars than 100 dollars than 200 dollars asked the traveler to give the money to the taxi driver traveler’s sister traveler himself driver’s sister driver was unhappy he heard the traveler’s last words the traveler asked every taxi driver his name the traveler asked him for his sister’s name the twoday visit B Mark Twainthe famous American writerwas traveling in he was goingby train to afternoon he was very tired and wanted to sleepso he asked theconductor to wake him up when they came to first he explained that he was avery heavy sleeper.“I’ ll probably protest表示不滿loudly when you try to wake me up”he said to the conductor“but do not take any noticejust put me off the train anyway.” Then Mark Twain went to he woke upit was nighttime and thetrain was in Paris realized at once that the conductor had forgotten to wake himup at was very ran up to the conductor and began to shout at him.“Ihave never been so angry in all my life”Mark Twain conductor looked at him calmly冷靜地.“You are not half so angry as theAmerican whom I put off at Dijon”he 1.—Who’ s Mark Twain French famous American Twain wanted to sleep was tired was hungry was a lazy man liked sleeping wanted to wake France America the train Dijon sleeper person not easily to sleep person not easily to wake up person who liked to protest person who was calmly he woke upthe train got York七、任務型型閱讀（5 分）下面是 Simon 先生對三組不同年齡的孩子看電視的習慣的調查記錄。下列做法中也用到這種放大思想的是A．將發(fā)聲的音叉靠近乒乓球，通過乒乓球被彈開說明音叉在振動B．在探究液體蒸發(fā)快慢大小因素與溫度的有關時，選擇質量相同的兩杯水，放在空氣流動速度相同的環(huán)境下，給其中一杯水加熱一段時間。三、實驗探究題。30.(8分)聲音在海水中的傳播速度是1500米／秒，為了開辟新航道，某科學探測船裝有回聲探測儀器，探測水下有無暗礁，探測船發(fā)出的聲音信號4秒后被探測儀器接收．(1)探測船發(fā)出的聲音為了有更好的回收效果，最好用什么聲波?(2)通過計算說明海底障礙物到探測船艙底的距離是多少?(3)請例舉該聲波在生活中的兩個應用(4)此方法能否用來測量月球到地球的距離?為什么?31.(6分)搜集下列短文中的有用信息，分析整理后解答文后提出的問題：太陽光是天然紫外線的最重要來源．如果太陽輻射的紫外線全部到達地面，地球上的植物、動物和人類都不可能生存，地球的周圍包圍著厚厚的大氣層，在大氣層的上部，距地面20km到50km的高空有一層叫做臭氧的物質，它能大量吸收太陽輻射來的對生命有害的紫外線，是地球上的生物得以生存和進化的重要條件．由于電冰箱內長期使用氟利昂，當電冰箱損壞后，其中的氟利昂就將散到大氣中，破壞臭氧層，對地球的生態(tài)環(huán)境構成威脅．為了保護人類生存的環(huán)境，1987年在世界范圍內簽署了限量生產(chǎn)和使用這類物質的《蒙特利爾議定書》，現(xiàn)在已經(jīng)研制出氟利昂的代用品如Rl34A、環(huán)戊烷等．我國在1991年簽署了《蒙特利爾議定書》，并在2002年停止生產(chǎn)氟利昂．(1)天然紫外線的最重要來源是(2)陽光中的紫外線大部分被()吸收A．大氣層B．臭氧層C．地面D．地表的動植物(3)形成臭氧層空洞的主要原因是________________________________________32.(5分)小凡同學在4塊相同的玻璃板上各滴一滴質量相同的水，進行如下圖所示的實驗探究，得出水蒸發(fā)快慢與水的溫度、水的表面積和水面上方空氣流動快慢有關(1)通過A、B兩圖的對比，可以得出水蒸發(fā)快慢與水的__________有關．(2)通過__________兩圖的對比，可以得出水蒸發(fā)快慢與水的溫度有關．(3)小凡