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【单选题】
My room is on the ________ floor.A.
two
B.
two's
C.
second
D.
2rd
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【单选题】将锌片浸入含有0.01mol/L浓度的 溶液中,已知 =-0.762V,则25°C时,锌电极的电极电势为( )
A.
-0.762V
B.
-0.801V
C.
-0.821V
D.
-0.703V
【简答题】将玻璃电极浸入10.00mL未知溶液时,测得的电位为-0.2331V,而后加入1.00mL2.00×10 - 2 mol·L - 1 的标准Na + 溶液,再测其电位则为-0.1846V,计算未知样品中Na + 的浓度。
【单选题】By imitating and using idol’s brands, brand awareness is established, ______ better sales.
A.
leads to
B.
led to
C.
leading to
D.
lead to
【多选题】Which of the following brands are included in Britain's Intercontinental Hotels?
A.
Holiday Inn
B.
Crown Plaza
C.
Intercontinental
D.
Renaissance
【单选题】将锌片浸入含有 0.01mol/L 浓度的 Zn2+ 溶液中,已知 E Θ =-0.762V ,则 25 °C 时,锌电极的电极电势为( )
A.
-0.762V
B.
-0.801V
C.
-0.821V
D.
-0.703V
【简答题】将钙离子选择电极与另一参比电极浸入0.100mol·L -1 Ca 2+ 标准溶液中，参加电极为负极，于25℃测得电动势为0.250V。用未知溶液代替上述溶液时，测得电动势为0.271V，计算未知液中Ca 2+ 的浓度。
【简答题】It is now (firm) established as one of the leading brands in the country.
【单选题】Established brands such as those discussed above need careful treatment if the brand indentity is to be maintained. 'those' refers to ________.
A.
Shell company's brand evolution
B.
Coca-Cola company's logo abbreviation
C.
Oxo
D.
small evolution of Shell logo and abbreviation of Coca-Cola name
【简答题】幼儿园课程目标的基本取向有普遍性目标,_____,生成性目标和______。
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