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【单选题】
以下关于模拟信号与数字信号的概念哪个是不对的？A.
处理模拟信号的电子电路称为模拟电路
B.
模拟信号在时间和幅值上都是连续的信号
C.
对于模拟信号，器件工作在截止区；对于数字信号，器件工作在放大区
D.
模拟信号研究的是输出与输入的电压电流关系；数字信号研究的是输出与输入的逻辑关系
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举一反三
【单选题】I___________to my cousin’s birthday party last night, but I was not available
A.
went
B.
had gone
C.
would go
D.
would have gone
【简答题】“足智多谋、随机应变”是下列哪种思维品质？（ ）
【单选题】______ River flows through New York state and into New York city.
A.
The Mississippi
B.
The Rio Grand
C.
The Ohio
D.
The Hudson
【单选题】-----You shouldn’t have gone there alone last night . -----But I ______. Philip went there together with me .
A.
didn’t
B.
hadn’t
C.
wouldn’t
D.
wasn’t
【单选题】I (think) I (would enjoy) the movie we went to last night even more (if I had) read the book before (seeing) it.
A.
think
B.
would enjoy
C.
if I had
D.
seeing
【多选题】下列社会关系中属于民法调整对象的有( )。
A.
国家向企业征税
B.
国家机关购买办公楼
C.
国家授予公民甲以“全国劳动模范”的荣誉称号
D.
夫妻双方因感情不和离婚
E.
县环保局对某工厂作出行政处罚
【单选题】----I went fishing with my father last Saturday and we watched a funny cartoon at night. ----_________pretty good!
A.
Sounds like
B.
Sound like
C.
Sound
D.
Sounds
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