下列离子方程式正确的是[ ] A.漂白粉溶液在空气中失效:ClO-+CO2+H2

题型:选择题

问题:

下列离子方程式正确的是[ ]

A.漂白粉溶液在空气中失效:ClO-+CO2+H2O=HClO +HCO3-

B.少量氯气通入碘化亚铁溶液中:Cl2+2Fe2+ +2I-=2Cl-+2Fe3+ +I2

C.向NaAlO2溶液中通入过量CO2制Al(OH)3:AlO2-+CO2+2H2O=Al(OH)3↓+HCO3-

D.在强碱溶液中次氯酸钠与Fe(OH)3反应生成Na2FeO4:3ClO-+2Fe(OH)3=2FeO42-+3Cl-+H2O+4H+

考点:离子方程式
题型:选择题

按我国现行投资构成,下列费用中不属于工程建设其他费用的是()。

A.勘察设计费

B.研究试验费

C.建设期贷款利息

D.联合试运转费

题型:选择题

盐酸西替利嗪咀嚼片处方是盐酸西替利嗪5g,甘露醇192.5g,乳糖70g,微晶纤维素61g,预胶化淀粉10g,硬脂酸镁17.5g,苹果酸适量,阿司帕坦适量,8%聚维酮乙醇溶液100ml,共制成1000片。 处方中聚维酮乙醇溶液是()

A.填充剂

B.润湿剂

C.黏合剂

D.润滑剂

E.崩解剂

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著名学者傅斯年在1920年曾指出:“从(1919年)五月四日以后,中国算有了社会了。中国人从发明世界以后,这一觉悟是一串的:第一层是国力的觉悟;第二层是政治的觉悟;现在是文化的觉悟,将来是社会的觉悟。”这里对“社会的觉悟”的理解最准确的是 [ ]

A.中下层平民生活、思想和习俗的改造    

B.社会主义思想的传播

C.知识分子民族和国家意识的增强        

D.资产阶级启蒙思想的传播

题型:选择题

肾病综合征的病理类型中极易发生血栓栓塞的病理类型为

A.微小病变型肾病
B.系膜增生性肾炎
C.系膜毛细血管性肾炎
D.膜性肾病
E.局灶性节段性肾小球肾炎

题型:选择题

Recently, I flew to Las Vegas to attend a meeting. As we were about to arrive, the pilot announced with apology that there would be a slight (16) before setting down. High desert winds had (17) the airport to close all but one runway. He said that we would be (18) the city for a few minutes waiting to (19) . We were also told to remain in our seats meanwhile with our seat belts fastened (20) there might be a few bumps(颠簸). Well, that few minutes turned into about four-five minutes, including a ride that would make a roller coaster(过山车) (21) by comparison. The movement was so fierce that several passengers felt (22) and had to use airsickness bags. As you might guess, that’ s not a good thing to have happen in a(n) (23) space because it only (24) to increase the discomfort of the situation.

About twenty minutes into the adventure, the entire airplane became very (25) There was now a sense of anxiety and fear that could be (26) noticed. Every passenger simply held on for dear life …except one. A (27) was having a good time! With each bump of the (28) , he would let out a giggle (咯咯地笑)of delight. As I observed this, I (29) that he didn’t know he was supposed to be afraid and worried about his (30) . He neither thought about the past nor about the future. Those are what we gown--ups have learned from (31) . He was (32) the ride because he had not yet been taught to fear it. Having understood this, I took a deep breath and (33) back into my seat, pretending I was (34) on a roller coaster. I smiled for the rest of the flight. I even (35) to giggle once or twice, much to the chagrin(随恼) of the man sitting next to me holding the airsickness bag.

28()

A.happens 

B.continues 

C.fails 

D.serves

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