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【单选题】在分光光度法中,待测物浓度的相对误差△C/C的大小
A.
与吸光度A成反比
B.
与透光度的绝对误差成反比
C.
与透光度T成反比
D.
在A=0.2~0.8时,其数值是较小的
【单选题】-__________ -By bus. [     ]
A.
Why does he go to work?
B.
How does he go to work?
C.
When does she go to work?
D.
Where does he work?
【多选题】如果公司将要在很长一段时期内不断采购某种产品或服务,那么供应商的供应保障能力就很重要。公司在考察供应商的供应保障能力时应重点关注下面哪些因素()
A.
供应商的积极性
B.
供应商的财务稳定性
C.
供应商市场地位的持久性
D.
供应商的成本
E.
采购品项在供应商核心业务中的重要程度
【多选题】如果公司将要在很长一段时期内不断采购某种产品或服务,那么,供应商的供应保障能力就很重要,公司在考察供应商的供应保障能力时应重点关注以下哪些因素:()
A.
供应商的积极性
B.
供应商的财务稳定性
C.
供应商市场地位的持久性
D.
采购品项在供应商核心业务中的重要程度;
【单选题】听力原文:W: Hi, Jim! M: Hi, Mary! Where is Hill? W: Oh, he's probably at home. M: Why? W: He drank too much last night. M: Now we have to do this work without him. W: Even when he comes, he's too lazy to ...
A.
He is at home.
B.
He is in the office.
C.
He is on the way home.
【简答题】阅读理解。 Excuses!  Excuses ! Harry was often late for school, and when the teacher asked him why he was late he always had an excuse. ' My alarm clock didn't go off,'  he said one morning. 'The bus broke...
【多选题】如果公司将要在很长一段时期内不断采购某种产品或服务,那么,供应商的供应保障能力就很重要,公司在考察供应商的供应保障能力时应重点关注以下哪些因素:()
A.
供应商的积极性
B.
供应商的财务稳定性
C.
供应商市场地位的持久性
D.
供应商的成本;
E.
采购品项在供应商核心业务中的重要程度
【单选题】在分光光度法中,待测物浓度的相对误差△C/C的大小( )
A.
与吸光度A成反比
B.
与透光度的绝对误差成反比
C.
在A=0.2~0.8时,其数值是较小的
D.
与透光度T成反比
【简答题】A.When he was six. B.When he was twentyone. C.When he was thir. D.When he was eigh.
【单选题】-----__________    ----By bus.
A.
How does he go to work?
B.
Why does he go to work?
C.
When does she go to work?
D.
Where does he work?
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