物价和利率的关系是啥？

NO.PZ2021071301000001 问题如下 One factor explaining the wnwartrajectory of the aggregate mancurve is the unrstanng tha receprilevel implies the reexchange rate: A.weakens, renring locprocts more afforble abroanmaking imports less viable, whielevates the net export value. B.strengthens, causing mestic procts to pricier for foreign markets anenhancing the attractiveness of imports, thereaugmenting the net export volume. C.strengthens, recing the competitiveness of both the nation's exports animports, whitranslates to a cline in net exports B is correct. A lower prilevel results in a weaker reexchange rate, making mestic goo cheaper to people in other countries animports less competitive, resulting in a higher level of net exports. B正确。较低的价格水平导致较弱的实际汇率，这使得国内产品对其国来说更便宜，进口产品的竞争力下降，导致净出口水平上升。 One factor explaining the wnwartrajectory of the aggregate mancurve is the unrstanng tha receprilevel implies the reexchange rate:Aweakens, renring locprocts more afforble abroanmaking imports less viable, whielevates the net export value.Bstrengthens, causing mestic procts to pricier for foreign markets anenhancing the attractiveness of imports, thereaugmenting the net export volume.Cstrengthens, recing the competitiveness of both the nation's exports animports, whitranslates to a cline in net exports、本题正确答案为什么是B啊？请老师帮忙解答，谢谢！

NO.PZ2021071301000001 问题如下 One factor explaining the wnwartrajectory of the aggregate mancurve is the unrstanng tha receprilevel implies the reexchange rate: A.weakens, renring locprocts more afforble abroanmaking imports less viable, whielevates the net export value. B.strengthens, causing mestic procts to pricier for foreign markets anenhancing the attractiveness of imports, thereaugmenting the net export volume. C.strengthens, recing the competitiveness of both the nation's exports animports, whitranslates to a cline in net exports B is correct. A lower prilevel results in a weaker reexchange rate, making mestic goo cheaper to people in other countries animports less competitive, resulting in a higher level of net exports. B正确。较低的价格水平导致较弱的实际汇率，这使得国内产品对其国来说更便宜，进口产品的竞争力下降，导致净出口水平上升。 B中的这句话causing mestic procts to pricier for foreign markets anenhancing the attractiveness of imports, 是不是说反了。是不是应该把 pricier换成cheaper,然后后面增加的是exports

NO.PZ2021071301000001问题如下 When we explain the wnwarsloping aggregate mancurve, a higher prilevel from interest rate perspective will leto: lower interest rates anhigher levels of consumption aninvestment.higher interest rates anlower levels of consumption aninvestment.lower interest rates anlower levels of consumption aninvestment. B is correct. A lower prilevel results in a weaker reexchange rate, making mestic goo cheaper to people in other countries animports less competitive, resulting in a higher level of net exports. B正确。较低的价格水平导致较弱的实际汇率，这使得国内产品对其国来说更便宜，进口产品的竞争力下降，导致净出口水平上升。 本题解析,跟进出口有什么关系

NO.PZ2021071301000001问题如下 When we explain the wnwarsloping aggregate mancurve, a higher prilevel from interest rate perspective will leto: lower interest rates anhigher levels of consumption aninvestment.higher interest rates anlower levels of consumption aninvestment.lower interest rates anlower levels of consumption aninvestment. B is correct. A lower prilevel results in a weaker reexchange rate, making mestic goo cheaper to people in other countries animports less competitive, resulting in a higher level of net exports. 在货币供给固定的情况下，较高的价格水平会导致较高的货币价格。由于利率是货币的价格，随着价格水平的上升，利率也会上升。消费和投资随着利率的上升而下降 请问这与需求曲线有什么关系？这不是讲的供给曲线吗？