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【单选题】
关于计算机病毒查杀软件的说法,不正确的是 ()A.
查杀软件进行一次杀毒之后就不可以使用了
B.
查杀毒软件需要经常升级才能更有效防范病毒
C.
查杀毒软件有免费的也有付费的
D.
查杀毒软件的实时监控要开启才能有效防范病毒
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反馈参考答案：
举一反三
【单选题】How did the Great Recession of 2007 affect the U.S. economy?
A.
GDP declined, employment fell, unemployment rose, and housing prices declined.
B.
GDP increased, employment fell, unemployment rose, and housing prices increased.
C.
GDP declined, employment rose, unemployment fell, and housing prices increased.
【单选题】U.S. GNP
A.
includes production of foreigners working in the U.S. and production of U.S. citizens working in foreign countries
B.
includes production of foreigners working in the U.S. but excludes production of U.S. citizens working in foreign countries.
C.
excludes production of foreigners working in the U.S. but includes production by U.S. citizens working in foreign countries.
D.
excludes production of foreigners working in the U.S. and production by U.S. citizens working in foreign countries.
【单选题】The presence of imports ( ) the size of the U.S. multiplier because with an increase of U.S. real GDP, ( ).
A.
increases; U.S. consumers buy goods from other countries
B.
increases; U.S. firms can sell goods to other countries
C.
decreases; U.S. consumers buy goods from other countries
D.
decreases; U.S. firms can sell goods to other countries
【单选题】U.S. Population Present Situations of U.S. Population The U.S.—the most populous of today's developed countries—bas one of the highest population growth rates of the industrialized nations: about one ...
A.
Y
B.
N
C.
NG
【单选题】When the U.S. real interest rate is low, owning U.S. assets is______and so U.S. net foreign investment is______.
A.
more attractive... high
B.
more attractive... low
C.
less attractive...high
D.
less attractive...low
【简答题】How did the global financial cr that began in the U.S. in 2007 affect countries in Europe?
【单选题】If the exchange rate value of the euro goes from U.S. $1.15 to U.S. $1.05, then: ( )
A.
The euro has appreciated, and Europeans will find U.S. goods cheaper.
B.
The euro has appreciated, and Europeans will find U.S. goods more expensive.
C.
The euro has depreciated, and Europeans will find U.S. goods more expensive.
D.
The euro has depreciated, and Europeans will find U.S. goods cheaper.
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