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【简答题】
评述汇率的粘性价格货币分析法。
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举一反三
【单选题】以下试剂能作为基准物质的是
A.
优级纯的 NaOH
B.
光谱纯的 Co 2 O 3
C.
100 ℃ 干燥过的 CaO
D.
99.99% 纯锌
【单选题】以下试剂能作为基准物质的是
A.
氢氧化钾
B.
邻苯二甲酸氢钾
C.
硝酸
D.
高锰酸钾
【单选题】以下试剂能作为基准物质的是
A.
99.99%的纯锌
B.
光谱纯的Co 2 O 3
C.
优级纯的盐酸
D.
100℃干燥过的CaO
【多选题】以下试剂能作为基准物质的是
A.
优级纯的Na 2 B 4 O 7 •10H 2 O
B.
99.99%的纯锌
C.
105-110℃烘干2h的Na 2 C 2 O 4
D.
NaOH
【单选题】It_____________you 30 minutes to take a coach there and it_________less than 6$. A.takes, spends B.takes, costs C.costs, spends D.spends, costs
A.
.takes, spends
B.
.takes, costs
C.
costs, spends
D.
spends, costs
【判断题】模光纤的光源为激光器。( )单
A.
正确
B.
错误
【单选题】以下试剂能作为基准物质的是
A.
100 ~ 110 ℃ 干燥的 Na 2 CO 3
B.
优级纯的 KOH
C.
100 ~ 110 ℃ 干燥的 K 2 Cr 2 O 7
D.
优级纯的 Na 2 B 4 O 7 ∙5H 2 O
【单选题】阿苯哒唑在稀硫酸中遇碘化铋钾试液产生红棕色沉淀,是因为本品含有
A.
胍的结构
B.
硫原子
C.
酰胺结构
D.
噻唑环
E.
叔胺基
【判断题】.( )单模光纤的光源为激光器。
A.
正确
B.
错误
【单选题】听力原文:W: What's Wendy doing here today? I thought she was supposed to be out of the office on Tuesdays. M: She decided she'd rather have Wednesdays off instead. Q: What can we learn about Wendy from th...
A.
She has changed her schedule.
B.
She works less than she used to.
C.
She is going to ask for a leave on Wednesday.
D.
She is going to have her vacation on Tuesday.
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