在于物联网络终端相关的多种技术中,核心是要解决()的问题。
A.智能化
B.小型化
C.低功耗
D.低成本
参考答案:A, B, C, D
It is the film _______ director is Steven Spielberg _______ attracts quite a few viewers throughout the world.
A.that; who
B.which; that
C.whose; that
D.whose; who
货币从产生时起就具有的两种基本职能是()①价值尺度②流通手段③贮藏手段④世界货币
A.①③
B.①②
C.②④
D.②③