正确答案: D

肺难于扩张

题目：肺泡表面活性物质减少将导致（　　）

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学习资料的答案和解析：

[单选题]苏轼《水调歌头》(明月几时有)中作者怀念的对象是（　　）

弟弟

解析：《水调歌头》(明月几时有)这首词是神宗熙宁九年(1076)中秋苏轼在密州所作，表达了诗人入世与出世的矛盾心情，同时抒发了对弟弟苏辙的思念之情。在词前小序中明确写到“丙辰中秋，欢饮达旦，大醉，作此篇，兼怀子由。”子由，是苏轼弟弟苏辙的字。

[单选题]事物发展的基本方向是由（　　）

矛盾的同一性决定的

解析：矛盾同一性和斗争性相结合推动事物 的发展，与矛盾的普遍性和特殊性无关，排除“B”、 。矛盾双方相互依存提供事物得以存在和发展 的条件；矛盾双方相互包含使矛盾双方相互吸取有 利于自身的因素，在互相利用、互相促进中共同得到 发展；矛盾双方相互贯通规定着事物向自己的对立 面发展转化的基本趋势。可见，事物发展的基本方 向是由矛盾的同一性决定的，故选“C’，排除“A，’。

[单选题]根据下列短文，回答{TSE}题。　　A panel of government officials is worried．The air quality in some areas is not good．Theair is polluted with soot．The officials worry that the air is harmful to the people who breathethe air．The officials are expels．They study the environment．They diSCUSS ways to stop theair pollution．The panel decided to make，some changes to the law．　　The mew plan places strict limits on how much soot call be released into the air．Now，ameasurement of 65 parts of soot is considered safe．The new plan would reduce that number to30．The daily limit of pollution in the air would be cut in half．　　These new standards would affect industry．The limits would also affect people who ownwood stoves and fireplaces．The country will keep track of the air quality every day．Peoplewould be required to stop burning wood when the levels are high．They could also install a kindof special fireplace．These fireplaces burn very little wood．They do not pollute the air asmuch．Some countries will punish families who violate the ban．They will have to pay a fine fornot complying with the law．　　Some states do not have much industry．Their pollution problem is not too bad．Theywould stiU have to regulate how much pollution is released into the air．The experts hope thatthis ban will help keep the air cleaner．Before the plan becomes a law the public will have a chance to comment on it．Citizenswill have ninety days to ask questions and voice concerns about the plan．Then it will becomea law．{TS}The panel is made up of________．

scientists

[多选题]影响创口愈合的冈素为： （　　）

局部血供障碍

局部组织缺氧

创口内留有异物

肝硬变

局部制动不够

[单选题]含有脉络丛的侧脑室分部是（　　）

中央部和下角