甲状腺摄131I率测定对下列哪些情况有意义() A.碘甲亢的诊断 B.亚急性甲状腺炎 发布时间:2017-06-21 17:42 │ 来源:www.tikuol.com 题型:多项选择题 问题: 甲状腺摄131I率测定对下列哪些情况有意义()A.碘甲亢的诊断B.亚急性甲状腺炎的诊断C.甲状腺功能减退的诊断D.鉴别毒性弥漫性甲状腺肿与单纯性甲状腺肿E.抗甲状腺药物疗效考核
题型:多项选择题 选择方框中恰当的饲完成下面对话,每词限用一次,有两个词是多余的。welcome, catch, there, number, along, your, here, nearest (最近的), from, take, Turning, awayA: Excuse me, where's the People's Hospital, please?B: Walk 1 this road and take the second 2 on the left.A: Is it far 3 here? B: No, It's about fifty metres along on the right. You can walk 4 .A: Thanks very much. B: You are 5 .A: By the way, is there a police station near here?B: No, the 6 is about four kilometers 7 . You'd better 8 a bus.A: Which 9 do I need, please?B: I think you need to take the No. 52 bus. The bus stop is over there. on 10 right.1. ________ 2. ________ 3. ________4 . ________ 5. ________6. ________ 7. ________ 8. ________ 9. ________ 10. ________ 查看答案
题型:多项选择题 学习了MnO2对过氧化氢分解有催化作用的知识后,某同学想:CuO能否起到类似MnO2的催化剂作用呢?于是进行了以下探究。【猜想】Ⅰ、CuO不是催化剂、也不参与反应,反应前后质量和化学性质不变;Ⅱ、CuO参与反应产生O2,反应前后质量好化学性质发生了改变;Ⅲ、CuO是反应的催化剂,反应前后_____________。【实验】用天平称量0.2gCuO,取5mL5%的过氧化氢溶液于试管中,进行如下实验:(1)填写下表:(2)步骤①的目的是____________。(3)步骤④需用到的实验仪器有:铁架台(带铁圈)、漏斗、烧杯、____________。(4)过氧化氢能被CuO催化分解放出O2的化学方程式为_______________。【拓展】要探究步骤⑤做过催化剂的CuO其它化学性质,还应补做的实验是__________。(写一种)。 查看答案