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【单选题】
已知：MnO4-(aq)+8H+(aq) +5e-↔Mn2++4H2O(l) 已知：EӨ(MnO4-/Mn2+)=1.51V,pH=2,其它离子浓度均为1mol/Kg。此时E的数值在下列哪个范围内？A.
0~1.2V
B.
1.2V~1.5V
C.
1.5V~1.9V
D.
大于1.9V
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【简答题】省、自治区、直辖市、自治州、设区的市的人民政府分别由哪些成员组成?
【单选题】Some writers argue that with respect to the change of roles, fathers, compared with mothers, ______.
A.
have to shoulder more burdens
B.
have to make more different adaptations
C.
have an easier job to do
D.
have a heavy job to do
【单选题】Consider that Britain is trying to maintain a fixed exchange rate with respect to the U.S. dollar. However, the present situation in the foreign exchange market is conducive for the British pound to d...
A.
the British money supply to fall.
B.
the British money supply to rise.
C.
the British money supply to remain unchanged.
D.
Britain to gain official international reserves.
【单选题】—Lily hurt her foot when she was riding. —_________. [ ]
A.
Oh, I see.
B.
How careful she is!
C.
I'm sorry to hear that.
D.
Really? She is always careless.
【单选题】Why will the foot become bigger?
A.
Because it may hurt a lot.
B.
Because it may hurt a long time.
C.
Because it has got the liquid from the stonefish.
【单选题】Consider that Britain is trying to maintain a fixed exchange rate with respect to the U.S. dollar. However, the present situation in the foreign exchange market is conducive for the British pound to d...
A.
The government of Britain should sell pounds and buy dollars.
B.
The government of Britain should do nothing as a fixed rate will not change.
C.
The government of Britain should buy pounds and sell dollars.
D.
The government of Britain should increase the country’s money supply.
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