正确答案: D

developed

题目：The film in my camera is finished．I need to get it__________．

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学习资料的答案和解析：

[单选题]《张中丞传后叙》中所说的“守一城，捍天下”的“城”是指（　　）

睢阳

解析：安史之乱起，张巡起兵抗击，与许远同守睢阳(今河南商丘市)，睢阳被围超过一年。在百姓和士卒的支持下，张、许坚守不降，牵制了安史大军南下。五十年后，人们对张、许坚守睢阳有些不准确的认识，甚至存有非议，韩愈认为应该明辨是非，伸张正义，为英雄正名，以维护国家的统一，便写了这篇文章。《张中丞传后叙》中所说的“守一城，捍天下”的“城”是指睢阳。

[单选题]中国新民主主义革命的中心问题是

农民问题

[单选题]How will the government know what the air quality is?

根据下列短文，回答下面的题目。　　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．The panel is made up of________．

Scientists will test it every day．

[单选题]He’S working hard for fear that he_________．

should fall behind

[单选题]下面等式正确的是（　　）．

解析：将式中的微分计算出来，比较左、右两边的式子，可知选项A正确．

[单选题]根据我国民法理论，债权的客体是 （　　）

行为

[多选题]下列能排酸保碱，维持机体酸碱平衡的有（　　）

H+的分泌

NH3的分泌

H+一Na+交换

[单选题]月经的发生与下列哪种因素有关（　　）

血液中孕酮和雌二醇水平下降

[单选题]右心衰竭时所引起的组织水肿，其主要原因是（　　）

毛细血管压升高