将过量的CO2通过Na2O2固体，固体质量增加了28g，则反应的CO2在标准状况 发布时间：2017-08-05 19:03 │ 来源：www.tikuol.com 题型：不定项选择题 问题： 将过量的CO2通过Na2O2固体，固体质量增加了28g，则反应的CO2在标准状况下的体积是[ ]A．22.4LB．11.2L C．5.6LD．44.8L
题型：不定项选择题 阅读理解。 Some students are talking about: Should the children of migrant workers (农民工) study in the cities or in their hometowns? Here are their opinions. SpeakerOpinionsIn the citiesKangkang The children of migrant workers could get better educations in the cities. The teachers and schools are better there. They could live with their parents, too.Li Ming Children should live with their parents. Parents can look after them well. The children of migrant workers may feel lonely if they stay in their hometowns. They may not go to school. Wang Tao Studying in a city doesn't only mean getting a better education, it means having much more chances in the city than in their hometowns. The kids see lots of things they wouldn't be able to see in their hometowns.In their hometownsLingling It's easy for children to go to school in their hometowns. In the city, things are much more difficult. First, there are so few schools for the children of migrant workers. Second, their parents may have to change jobs often. This means the kids may have to change schools a lot too.Han Mei The children of migrant workers may find it hard to adapt (适应) to life in the city. In city school, they may get bullied (被欺负). Also, these children may fall behind because of the different levels (水平) of education. Lily Studying in the city costs a lot more than studying in the countryside. The cost may add to the burdens (负担) of the parents.1. Kangkang'thinks the children of migrant workers may _________ in the city. A. feel lonely B. get fewer chances C. get better educations 2. Who thinks that children should live with their parents?A. Li Ming and Wang Tao. B. Kangkang and Li Ming. C. Wang Tao and Kangkang. 3. What's Lingling's opinion? A. There are no enough schools for migrant workers' children in the city. B. It's difficult for the children to go to school in their hometowns. C. It is good for the children to change schools often. 4. Han Mei worries about the children of migrant workers _________. A. may not go to school B. may fall behind with their study C. can't be looked after well 5. Lily is afraid that _________.A. the children may made friends B. the children can not get on well with their classmates C. the migrant workers may pay much more money for their children's studying in the city 查看答案
题型：不定项选择题 患者女，42岁，因血压升高4年，双下肢乏力3月。患者4年前偶测血压150／90mmHg，伴口干，多饮，夜尿增多，双下肢无力，手足麻木，于当地医院就诊，服用尼群地平，降压效果不佳。2004年2月感冒后出现双下肢乏力，测血压200／110mmHg，为求进一步诊治来我院。起病以来患者无阵发性头痛，心悸，大汗，精神食欲一般，睡眠可，小便量多，夜尿3～4次，体重下降10余斤，全身乏力。既往体健。其父高血压史，因脑溢血去世。查体：T：36．5℃，R：20次／分，BP210／130mmHg，P80次／分，黄疸（-），浅表淋巴结未及，神清，唇发绀，余阴性，双侧瞳孔等大等圆，对光放射灵敏，颈软，肺部检查（-），心率80次／分，率齐，无杂音。腹部检查（-），病理征（-）。实验室检查：血常规正常，尿常规：尿PH偏碱，尿蛋白（+），尿比重1．012，血钾2．5mmol／L，血钠138mmol／L，肝功能正常，空腹血糖4．53mmol／L请回答以下问题：1．最可能的诊断及依据是什么？2．鉴别诊断有哪些？3．进一步检查项目有哪些？4．处理原则是什么？ 查看答案
题型：不定项选择题 句型转换。1. The baby likes apples. (变成否定句) The baby _________ _________ apples. 2. Danny is looking at the dumplings. (对划线部分提问) _________ is Danny _________ _________? 3. Jenny sees a tall green tree. (改为一般疑问句) _________ Jenny _________ a tall green tree? 4. Would you like some milk to drink? (作否定回答) _________, _________. 5. Danny is looking out the window. (变成否定句) Danny _________ looking out the window. 查看答案