【正文】 吸收宇宙中的大部分射線；（2）他所產(chǎn)生的高溫可以殺死細菌與微生物；（3）能為農(nóng)作物合成氮肥。12．運用了舉例子、列數(shù)據(jù)、作比較等說明方法。13．看待人或物以及做事都要從多方面考慮，要一分為二地看待問題，這樣才能使自己認識正確，不斷提高工作效率。15．此題沒有惟一答案。高脂肪類食品營養(yǎng)豐富，能為小孩身體發(fā)育生長提供豐富的營養(yǎng)，但過分偏食會導(dǎo)致人身體發(fā)胖，可能引發(fā)一些疾病等?！?7．并非是父親真的吃不下去，因為母親疼愛父親，父親更疼愛母親與孩子，以“吃不下”為由，想把燉豆腐留給母親與孩子們吃，這里也同樣傳遞了父親對母親與子女的深深的愛。19．這里形象地寫出了母親思家心切，特別是深深地掛念著父親，所以母親以“聞麥香”表白自己的心跡。21．此題沒有惟一答案，只要言之成理即可。won’t e。doesn’t e。lessB．more。moreD．fewer。inB．put on。inD．wear。diedB has。dieD did。was washingB was listening。was washingD listened。seeB Have。seeD were。m afraid ________ ________ in 10 。came go。will e back of the club activities ________ by is a has been a teacher ____ 1990 and he _____ by his , is , , is , has loved students were all tired but ________ of them stopped , to , to , , resting boys didn’t start the work ________ their teacher e soon is a difficult subject ,really interesting and want a new ’ sthan this fortable fortable listening think there ’t , will ’t , will beC./, won’t , is couldn’t her ID card, she look up get up early every day and keep this a good was lucky enough to the dangerous buildings out over ’t can your dog when you go along sorry care ’ do, doing, is making doing, doing, was making about their weekend talking interested ’s more delicious when it’s is over there, she is talking to a friend football in the , , will be, will be, can have turn it turn it down turn on it ? English English well English study English well78.—You don’ think think don’t think don’t think it the teacher came , This semester you are hard—’t say ’s very are good二詞匯AYesterday Tom had no work to do after his father asked him ______(go)to the bookstore to buy a few _____(hurry)to the bus stop and arrived there at he ____(wait)for a bus, he saw a little ___________(go)across the then a car ____(e), driving it ______(be)too dog _______(fall)down and(not move)______―Poor dog!‖ he look!Suddenly it ________(stand)up and went was very glad ______(find)it was We’re having a w________time in New ’s so great to be here during Carnival time or Mardi Gras, as it’s called in the Orleans is always lively,but it’s so much more fun to go s___________here at the have eaten some d________food here –very hot!We have enjoyed music played by a great band on the famous Bourbon Street and have d_________lots of beer!We’ve even been on a boat t_____on Mississippi and luckily I didn’t f______into the river!Then ,sadly, it’s just one more night before we have to get on our has been such an enjoyable time and it seems I’ve lived in a ’ve taken many p______and I want to s________them to my Kate’s grandmother is 60 years likes _________(drive)very much and she __________(drive)for over doesn’t drive fast these years because she is drives well and never _____________(have)an Kate says to her, ―Please _______(not drive)your car, I can ______(take)you to the shops in mine.‖ But she always says, ―No, I like don’t want _________(stop) day, she___________(stop)her car at the traffic lights because they were when the lights ___________(turn)green, she couldn’t start her car and the lights ________(change) then a policeman __________(e) the future, kids will study at home on is r___________ like his were having fun c__________ the mountain at that ’m going to bee a ____________(職業(yè)的)basketball (幸運), they all passed the you been to the __________(主題)park?’re very happy to see the beautiful __________(景色). you tell me the ______(主要的)idea of this passage? didn’t ______(出現(xiàn))until ten o’clock last night is a teacher with a lot of _______(經(jīng)驗).He has ways to make his class mother has much ________(知識)of fans ____(鼓掌)and screamed when the famous singer appeared on the sang the song________(beautiful). water in the river is_______(harm).You can drink it without I passed the driving test, I thought I was the_____(luck)person in the and Daniel are brothers, and their_____(wife)are ’s dress is very popular this you know who the ________(design)is? do you think about the air __________(pollute)in yourhometown? stopped __________(talk)and listened to their teacher.. people use puters in their ______(day) said that she _________(have)a party for her you ever to meet a _____________(foreign) was ____________(luck)enough to find the good made her brother ____________(wash)the dishes you please _____________(pass)me the pen, is a famous __________ _______________(職業(yè)籃球運動員)。s right when she says thing like 。The goal of the game is to _______ ______ the world to learn the history of each 。The old man lives ________ in the village, but he does not 。I have ________ to Beijing ________ there in 2001 and 。He _________ good ____________ in 。She _____________ ______________ her best friend the day before ，人人都喜歡她?？赡芤鸺抑斜ｋU絲熔斷的是（）A、只有①②B、只有②③C、只有②④D、只有①③2010年4月5日，科學(xué)家成功合成了第117號新元素，填補了第116號和第118號元素之間的空缺。下面四個研究中，采用“模型法”的是（）A、研究電流時，把它與水流相比B、研究磁場時，引入磁感線來描述磁場C、探究兩個阻值為R的電阻串聯(lián)時，可用一個阻值為2R的電阻來代替D、探究壓力作用效果與壓力大小的關(guān)系時，保持了受力面積的大小關(guān)系1在3D電影《阿凡達》中描述，因富含罕見的常溫超導(dǎo)，巨石在潘多拉星球地磁場的作用下產(chǎn)生壯觀的浮空景象。對此下列說法中不正確的是（）A、同名磁極相互排斥B、通電導(dǎo)體周圍存在磁場C、正方體磁體受力平衡D、該實驗是在失重的情況下才能完成1在日常生活常接觸到“含氟牙膏”、“高鈣牛奶”、“碘鹽”、“富硒茶葉”、“加鐵醬油”等用品，這里的氟、氟、碘、硒、鐵指的是（）A、單質(zhì)B、原子C、離子D、元素2+1對于Mg和Mg認識不正確的是（）2+2+A、Mg和Mg是同一種元素B、Mg和Mg化合價不同2+2+C、Mg比Mg多兩個質(zhì)子D、Mg比Mg多兩個電子1三聚磷酸鈉（Na5P3O10）過去常用作洗衣粉的輔助劑，我國部分省市為防止水體富營養(yǎng)化已禁止銷售和使用含磷洗衣粉。要使彈簧測力計的示數(shù)變大，下列操作方法能夠?qū)崿F(xiàn)的是（）A、滑片P向b端滑動B、將S撥到①位置C、將鐵芯從螺線管中取出D、將螺線管往上移動1盧瑟福α粒子散射實驗的結(jié)果（）A．證明了質(zhì)子的存在B．證明了原子核是由質(zhì)子和中子組成的C．證明了原子核的全部正電荷和幾乎全部質(zhì)量都集中在一個很小的核上D．說明原子中的電子只能在某些不連續(xù)的軌道上運動1原子核內(nèi)有6個質(zhì)子和6個中子的一個碳原子的質(zhì)量為X g，另一種元素R的原子質(zhì)量為Y g，則R的相對原子質(zhì)量為（）A、Y gB、12X/Y gC、Y/X gD、12Y/X g1下列物質(zhì)的化學(xué)式書寫正確的是（）A、氧化鋁 AlOB、氦氣 He2C、碳酸鈉 NaCO3D、氫氧化鉀KOHA、A和B是同一種元素B、A和B的核電荷數(shù)不同C、B和C核外電子數(shù)相等D、B和C互為同位素有A和B兩種元素的化合物，已知A和B的元素質(zhì)量比為21：8，而A和B的相對原子質(zhì)量之比為7。2經(jīng)證實，物質(zhì)是由微粒構(gòu)成的，例如鐵是由鐵原子構(gòu)成的，請你填寫構(gòu)成下列物質(zhì)的微粒名稱。⑵、用于人工降雨的干冰是由二氧化碳構(gòu)成的。2有下列這些物質(zhì)：①氧氣；②鐵；③一氧化碳；④氬氣；⑤水；⑥食鹽；⑦空氣。2交流發(fā)電機是將能的機器，它是利用的原理制成2甲、乙、丙、丁四種元素，甲的單質(zhì)是空氣中含量最多的氣體，乙是地殼中含量最多的金屬元素，丙是人