干燥综合征唾液腺的典型病理改变为() A.腺体萎缩 B.唾液腺导管扩张 C.间质内大 发布时间:2017-06-02 00:38 │ 来源:www.tikuol.com 题型:单项选择题 A1/A2型题 问题: 干燥综合征唾液腺的典型病理改变为()A.腺体萎缩B.唾液腺导管扩张C.间质内大量淋巴细胞浸润D.小血管炎症E.间质纤维组织增生
题型:单项选择题 A1/A2型题 完形填空。 Protecting (保护) wild animals is our duty. Because wild animals are important to us. They live with us on the earth together. If there are no animals on the earth, we will not live on, 1 . So we should take good care 2 them to help us live a healthy life. 3 some people still don't realize the 4 of protecting wild animals. They often kill wild animals for foodor for money. Every day there are many wild animals being 5 . So lots of wild animals have died out (灭绝). We can't see them any more. Today the number of wild animals 6 becoming smaller and smaller. If we don't protect them, they will all die out. If this goes on, there will be no animals left on the earth. 7 , more and more people have begun to do many things to help protect wild animals. They ask people 8 killing wild animals. They get people to know that protecting wild animals is one of the most important things. Now many countries have made 9 laws (法律) to protect wild animals. Now that (既然) wild animals are so important to man, we should do our 10 to protect them and it meanshuman beings can make friends with animals and get on well with them. ( )1. A. too ( )2. A. of ( )3. A. And ( )4. A. necessary( )5. A. killed ( )6. A. was ( )7. A. Lucky ( )8. A. stopping ( )9. A. much ( )10. A. well B. also B. off B. But B. importantlyB. killing B. were B. Unlucky B. to stop B. few B. good C. neither C. for C. Or C. importance C. kills C. are C. Luckily C. stops C. some C. better D. either D. from D. Although D. important D. kill D. is D. Unluckily D. stop D. any D. best 查看答案
题型:单项选择题 A1/A2型题 硝酸是极其重要的化工原料,工业上将产生的NO2在密闭容器中用水多次反复循环吸收制备硝酸。(1)工业上用水吸收NO2生产HNO3,生成的气体经多次氧化、吸收的循环操作充分转化为硝酸(假定上述过程无其他损失)。试写出上述反应的化学方程式: 。(2)为了证明NO也可以与氧气和水共同反应生成HNO3,某学生设计了如图所示装置(有关夹持装置已略去)。①检查装置气密性良好后,为观察到NO气体生成,打开K1,关闭K2,应从U形管的长管口注入稀硝酸至 后,迅速关闭K1,观察到U形管内的现象是 。②装置Ⅲ中发生反应的化学方程式为 。③蘸NaOH溶液的棉花团的作用是 。④打开K2,至装置Ⅱ中长玻璃管中的气体呈无色后,打开K3,反应一段时间后,长玻璃管中并未充满液体。设计简单方法检验长玻璃管中的气体是否含NO 。 查看答案
题型:单项选择题 A1/A2型题 党在社会主义初级阶段的基本路线的主要内容是:①以经济建设为中心 ②坚持改革开放 ③坚持四项基本原则 ④发扬艰苦创业精神A.①②③④B.①②③C.②③④D.①③④ 查看答案
题型:单项选择题 A1/A2型题 糖尿病的临床表现包括()。A.高血糖、少食、多饮、糖耐量降低B.高血糖、多食、多饮、糖耐量升高C.高血糖、多食、多饮、糖耐量降低D.高血糖、少食、少尿、糖耐量升高E.高血糖、多食、少尿、糖耐量降低 查看答案