皮皮学，免费搜题
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【单选题】
若要实现150进制计数器,则可以采用( )A.
两片74LS160
B.
两片74LS161
C.
两片74LS162
拍照语音搜题，微信中搜索"皮皮学"使用
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举一反三
【判断题】When economists refer to investment, they mean the purchasing of stocks and bonds and other types of saving.
A.
正确
B.
错误
【单选题】The word 'festive' in paragraph 2 can not be understood as ______.
A.
cheery
B.
fetish
C.
joyous
D.
merry
【简答题】No sooner than it began to rain．
【简答题】My childhood and adolescence were a joyous outpouring of energy, an endless pursuit for expression, skill, and experience. was only a background to the great delight of lessons in music, dance, and dr...
【单选题】No sooner than it began to rain heavily.
A.
the game begin
B.
has the game begun
C.
did the game begin
D.
had the game begun
【单选题】Thanks giving feasts are ______ with big dinners and joyous reunions on the fourth Thursday in November.
A.
rewarded
B.
awarded
C.
celebrated
D.
congratulated
【单选题】Economists use the term money to refer to
A.
all wealth.
B.
all assets, including real assets and financial assets.
C.
all financial assets, but real assets are not regarded as money.
D.
those types of wealth that are regularly accepted by sellers in exchange for goods and services.
【判断题】Economists refer to fluctuations in output as the "business cycle" because movements in output are regular and predictable.
A.
正确
B.
错误
【单选题】What word do economists use to refer to the purchase of goods that will be used in the future to produce more goods and services?
A.
capital
B.
consumption
C.
investment
D.
costs
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