总需求(AD)由消费需求、投资需求、政府需求以及净出口组成。其中，( )取决于国内和国外的收入水平、相对价格和汇率。
A. 消费需求
B. 投资需求
C. 政府需求
D. 净出口
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国家主体功能区规划的规划期至( )年，并通过中期评估实行滚动调整。
A. 2005
B. 2010
C. 2015
D. 2020
A smartest human mind can do mathematical problems ______ than a simple computer. A) much slower C) a little faster B) much faster D) a little slower
A smartest human mind can do mathematical problems ______ than a simple computer.
B. much slower
C. much faster
D. a little faster
E. a little slower
We can infer from the passage ______.
A. an intelligent robot will replace human workers in the future
B. an intelligent robot cannot replace human workers in the future
C. an intelligent robot can do their work good and fast without any mistakes in the future
D. none of them
The robots in use now can do many jobs ______.
A. independently through its own senses and actions
B. according to the instructions from human workers
C. according to the instructions from computer brain,
D. according to the instructions from communicating device
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