50. The man was sitting on the chair ______ his eyes closed. He appeared to be exhausted. (A)for (B)by (C)as (D)with

50. The man was sitting on the chair ______ his eyes closed. He appeared to be exhausted.
(A)for
(B)by
(C)as
(D)with

答案：登入後查看
統計： A(11), B(7), C(16), D(132), E(0) #2683375

詳解 (共 1 筆)

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B1 · 2021/04/29

#4685190

The man was sitting ...

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複選題8. 以Zn、Cu、Ni、Mg 四種金屬棒分別浸入含各該金屬離子之濃度為1.0 M 之水溶液中，組成四個半電池，圖示其連接情形。循甲、乙、丙、丁之順序依序次為Zn、Cu、 Ni、Mg，甲、乙間及丙、丁間以鹽橋連接，甲、丁間及乙、丙間以導線連接伏特計，已知Zn、Cu、Ni、Mg氧化電位分別為＋0.76 V；－0.34 V；＋0.25 V；＋2.37 V，則下列敘述何者為正確？【第10格答案】（Cu＝63.5，Zn＝65.4，Mg＝24.3，Ni＝58.7） (A)若將四個半電池的連接順序任意變動，共可得五種不同的電壓 (B)當各反應均達平衡時電壓為0 (C)若在乙半電池中加入或在丙半電池中加入蒸餾水，則伏特計之讀數均減少 (D)此雙電池之標準電動勢為1.02 V (E)若將四個半電池的連接順序任意變動，可得最高電壓為2.20 V，最低電壓為1.02 V。

50. The man was sitting on the chair ______ his eyes closed. He appeared to be exhausted.
(A)for
(B)by
(C)as
(D)with

詳解 (共 1 筆)

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