在络合滴定中常用的金属指示剂有哪四种?使用时应注意什么?

题型:问答题 简答题

问题:

在络合滴定中常用的金属指示剂有哪四种?使用时应注意什么?

考点:化学分析工考试高级化学分析工高级化学分析工题库
题型:问答题 简答题

孟子认为,君子的教育方式有五种,有的像及时雨一般润泽万物,有成全品德的,有培养才能的,有解答疑问的,还有以流风余韵为后人所自行学习的。这体现了()的精神。

A.诲人不倦

B.循序渐进

C.由博反约

D.因材施教

题型:问答题 简答题

高桩码头施工中,沉桩后采用“双控”指标以保证满足设计承载力的要求,即控制()。

A.桩尖标高及桩尖的设计土层

B.桩尖标高及最后的沉桩贯入度

C.贯入度变化及桩的下沉量

D.桩尖的设计土层及高应变动测值

题型:问答题 简答题

下列对一氧化碳中毒病人的护理措施不正确的是

A.定时监测生命体征和意识状态
B.给予高浓度吸氧
C.保持呼吸道通畅
D.昏迷的病人清醒后停止给氧,以防氧中毒
E.高热患者给予物理降温

题型:问答题 简答题

Once there was a little girl who came to live in an orphanage (孤儿院). As Christmas time was drawing near, all of the other children 11 telling the little girl about the beautiful Christmas tree that would appear in the hall downstairs on Christmas morning. After their usual 12 , each child would be given their only Christmas gift, a small orange.

The headmaster of the orphanage was very 13 with the kids. So on Christmas Eve, when he 14 the little girl slipping down the stairs to peek(偷看)at the much-heard-of Christmas tree, he 15 that the little girl would not receive her Christmas orange because she had been so curious as to disobey the rules. The little girl ran back to her room 16 , crying at her terrible fate. The next morning as the other children were going down for breakfast, the little girl stayed in her bed. She couldn’t 17 the thought of seeing the others receive their gift while there would be 18 for her. Later, as the children came back upstairs, the little girl was surprised to be handed a napkin (餐巾). As she carefully opened it, there, to her 19 , was an orange all peeled and sectioned (分瓣). “ How could this be? ” she asked. Then, she realized how each child had taken one section from their orange for her so that she, too , would have a Christmas orange. What an example of the true meaning of Christmas those orphan children showed that morning! How I 20 the world would show the same kind of concern for others, not only at Christmas, but throughout the year!

请在16处填上正确答案()

A.open-hearted

B.broken-hearted

C.light-hearted

D.warm-hearted

题型:问答题 简答题

李女士,创伤性休克后,护士抽血时不易抽出,易凝固,皮肤有出血瘀点、紫斑,伤口、注射部位出血,你应考虑

A.肝功能衰竭

B.急性肾衰

C.弥散性血管内凝血

D.心功能衰竭

E.呼吸窘迫综合征

更多题库