A.投入物影子价格=市场价格+国内运杂费
B.产出物影子价格=市场价格-国内运杂费
C.外贸货物的贸易费用=货物口岸价×贸易费用率
D.直接出口产出物的影子价格=离岸价×影子汇率+贸易费用+国内运杂费
第2题
Knowing people s habits beyond computers and phones helps Google______.
A.get comprehensive information of users
B.sell more computers and phones
C.sell its products directly to users
D.communicate with users more effectively
第3题
A.frenzy
B.integrated
C.disparate
D.lax
第4题
A、protecting
B、 protected
C、 kept
D、 keeping
第5题
A.All airlines have enforced a total ban on electronic devices during flights.
B.Portable computers are confirmed as the greatest cause of aircraft crashes.
C.It is difficult to predict how electromagnetic fields might affect an aircraft's computers.
D.Mobile phones are as dangerous as portable computers on an airplane.
第6题
From the third paragraph we can find that in the US ______.
A.cell phones will take the place of computers in colleges
B.college students can have a computer from their colleges
C.most college students are from rich families
D.mobile phones make Internet life easy for college students
第7题
She prefers paper books because e-readers like pads or smart phones cannot() her desire to read books.
A、revoke
B、respire
C、expire
D、evoke
第8题
A.easily ; efficient
B.easier; efficient
C.easy ; efficiently
D.easily ; efficiently
第9题
Which of the following functions of smart phones most beneficial to students?
1)taking photos
2) listening to the music
3)recording lectures
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