通过（）处理的预授权完成交易，在当日当批提交收单行的预授权完成交易信息中取消该笔交易

阅读理解。

     Mr Jones has a special way of waking Lily in the morning. He sends Lily's dog, Frank, into her bedroom.

Frank jumps up and licks (舔) Lily's face, then Lily gets out of her bed. That's how every school day starts.

     One Monday morning, Lily got out of bed and looked at the clock. It was 6:45. Lily washed and dressed.

She moved quickly. She knew she didn't have much time to get ready for school. The school bus usually stops

at the corner of her street at 7:30. She has to be at the bus stop by then.

      "What's for breakfast?" asked Lily. Her father gave her two eggs and a glass of orange juice.

      "Hurry up," said Mr Jones."Where's your homework? Do you have that note I gave you for Mrs Brown?

Don't forget it. Here's your lunch money."

     Lily got her books and homework all together. She found the note and took the lunch money. She put

everything in her schoolbag. Then she rushed off to catch the bus at 7:30.

     The bus was right on time. Lily got on and sat down next to her friend Bill. Then Lily and Bill started to

tell each other jokes. It was nice to relax.

1. In the morning  _______ wakes up Lily.

A. Mrs Jones

B. Mr Jones

C. Frank

D. the clock

2. One Monday morning Lily got up at ________.

A. 6: 45

B. 7: 00

C. 7: 20

D. 7: 30

3. Lily had to take ________ to Mrs Brown.

A. her homework

B. her dog

C. lunch money

D. a note

4. This passage tells us Lily usually ________ to school.

A. walks

B. rides her bicyle

C. takes the bus

D. takes the subway

5. Which of the following is TRUE?

A. Lily has a dog.

B. Mrs Jones is an English teacher.

C. Bill is Lily's brother.

D. Lily likes hamburgers for breakfast.

从回收的含铜电缆废料中提取铜时，假若设计如下两种方案，回答有关问题。

方案甲：  

方案乙：  

（1）两个方案中，符合当前生产中绿色化学理念的是方案______，理由是 _________。

（2）方案乙中铜溶解生成蓝色溶液时发生反应的离子方程式为_____________________________，若不考虑绿色化学要求，溶解铜生成硫酸铜时，还可将适量硝酸分多次加入到铜粉与稀硫酸的混合物中，加热使铜溶解完全，则理论上硫酸和硝酸的物质的量之比最佳为：_________︰__________。

（3）为了提高原料的利用率,最后一步所得浅绿色滤液通过蒸发浓缩、冷却结晶、过滤、洗涤、自然干燥可得到一种结晶水合物的晶体。获得晶体后对其进行检测：

①先取a g的晶体进行脱水实验，获得无水固体为（a—1．26）g  

②将无水固体溶于足量的水配成溶液后滴加1．00mol/L的氯化钡溶液，当滴加10．00mL溶液时，沉淀恰好完全。通过计算测知该晶体的化学式是 ___________。

（4）氯化亚铜（CuCl）是重要的化工原料。国家标准规定合格的CuCl产品的主要质量指标为CuCl的质量分数大于96.5% 。工业上用硫酸铜等原料常通过下列反应制备CuCl ：

2CuSO₄+ Na₂SO₃ + 2 NaCl + Na₂CO₃ = 2 CuCl ↓+ 3 Na₂SO₄ + CO₂↑ 测定CuCl质量分数时先准确称取所制备的0.2500g CuCl样品置于一定量的0.5mol·L^-1 FeCl₃ 溶液中，待样品完全溶解后，加水20mL，用0.1000mol·L^-1 Ce（SO₄）₂溶液滴定到终点，消耗24.60mL Ce（SO₄）₂溶液。有关反应的离子方程式为：   

Fe³⁺ +CuCl=Fe²⁺ +Cu²⁺ +Cl^- ，Ce⁴⁺ + Fe ²⁺ = Fe ³⁺ + Ce³⁺     通过计算说明上述样品中CuCl的质量分数是否符合标准。

急性脊髓炎的正常描述是（）

A.以T₃～T₅节段最常受累

B.无病变节段束带感

C.脊髓休克期短暂

D.常表现为Brown-Sequard综合征

E.病理以白质髓鞘脱失为主

下列选项中，只能在开户局办理正式挂失的有（）。

A.活期凭证挂失

B.定期凭证挂失

C.大额存款账户挂失

D.密码挂失

背景

某桥梁重力式桥台，基础尺寸为10m×8.0m×1.0m，地质条件依次为覆盖层厚3.5m的含水量较大的黏性土和1.5m厚的强风化泥岩，下为中风化泥岩，基础嵌入中风化泥岩1m。地下水位处于原地面以下100cm。根据该桥台的水文地质，施工单位在基坑开挖过程中采取了挡板支护的加固措施，防止边坡不稳造成塌方。
[

问题

]

采用混凝土加固坑壁的基坑开挖是否合适为什么