(20分)有A、B、C、D、E、F、G、H八种白色固体,它们是:KHSO4、C6

题型:判断题

问题:

(20分)有A、B、C、D、E、F、G、H八种白色固体,它们是:KHSO4、C6H12O6(葡萄糖)、HOOC—COOH、MgCO3、Na2CO3、MgSO4、Al(OH)3、Ba(NO3)2,对这些物质进行实验,结果如下:①各取部分固体分别加入水,除C、F外均能溶解得到澄清溶液;②C(固)+D溶液→固体溶解放出气体,C(固)+H溶液→固体溶解放出气体;③E溶液+H溶液→白色沉淀,E溶液+G溶液→白色沉淀,E溶液+B溶液→白色沉淀;④B溶液+H溶液→放出气体;根据上述实验,判断这八种固体分别是:

A__________________________,B___________________________,C___________________,D__________________________,E____________________________,F___________________,G___________________________,H__________________________。

要进一步证实某固体为葡萄糖,应用___________作试剂,根据_______________现象来确证。

考点:生活中的元素(常量元素、微量元素)
题型:判断题

用所给单词的正确形式填空。

1. — Why did you make your first stop?

    — I stopped________(get)a drink. I was very thirsty.

2. She didn't feel like________(work),so he suggested________(spend)the day in the garden.

3. — That would mean________(waste)much more money.

    — Really? I don't mean________(waste)any more money.

4. — Are you going to leave now? 

    — Unless you would prefer me________(stay)here.

5. Which do you enjoy________(spend)your spare time, playing cards at home or taking a walk in the park?

6. I'm looking forward to________(see)you this summer vacation.

7.The holiday you are looking forward to________(come)some day.

8. How about the two of us________(take)a walk down the garden?

9.The horse sensed danger ahead and stopped________(walk).

10. I refer________(ride)a bicycle rather than________(ride)a bus.

11. I like________(swim),but I don't like________(swim)this afternoon.

12.Something is wrong with my watch. It wants________(repair).

题型:判断题

诊断糖尿病主要依据的检查是()

A.尿糖测定

B.血葡萄糖测定

C.葡萄糖耐量试验

D.糖化血红蛋白Al和糖化血浆白蛋白测定

E.浆胰岛素C-肽测定

题型:判断题

下列对写字楼物业经营管理绩效评价的说法正确的有()。

A.进行写字楼物业经营管理绩效评价的目的在于决定保留还是辞退当前的物业管理企业

B.进行服务满意度和物业品牌化的评价都是靠不住的,也没有什么意义

C.写字楼物业经营管理绩效评价的经济指标可以分为租赁经营方面的指标和物业管理服务方面的指标

D.写字楼物业管理服务方面的指标包括租金拖欠和坏账情况以及租约续签、扩签、新签、退签等指标

E.品牌是写字楼良好形象的缩影,是写字楼项目的无开资产

题型:判断题

对于II型呼吸衰竭患者应给予低浓度持续被氧,氧浓度应低于()

A.21%~24%

B.25%~29%

C.30%~35%

D.36%~40%

E.41%~50%

题型:判断题

“苹果之父”乔布斯认为,产品应该能够“改变世界”,产品设计和制造的每个环节都要追求完美无瑕。这体现了()

A、能力卓越是实现个人价值的必要条件

B、主观唯心主义的倾向

C、实现改造世界向产品改变世界的转变

D、系统优化的方法

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