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【单选题】
由寄存器芯片74LS194构成的电路如下图所示，【图片】是数据并行输出端，初始值为0000。ABCD是数据并行输入端，【图片】是右移串行输入端， MB和MA是方式控制端。下面给出的对该时序电路的分析存在错误的是（ ）。【图片】A.
电路的状态转换图： F3F2F1F0
B.
电路的状态转换图： F3F2F1F0
C.
电路功能为4位扭环形计数器
D.
电路功能为模8计数器
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【单选题】______ tomorrow, she would get there on Sunday.
A.
Would she leave
B.
If she leaves
C.
Were she to leave
D.
If she had left
【简答题】________ right now, she would get there on Sunday. A) Would she leave B) If she leaves C) Were she to leave D) If she had left
【单选题】She was such a proud person that she would die ____ she would admit she was wrong.
A.
rather than
B.
until
C.
after
D.
before
【单选题】______ right now, she would get there on Sunday.
A.
Would she leave
B.
If she leaves
C.
Were she to leave
D.
If she had left
【简答题】A．She would buy some software. B．She would buy a Porsche. C．She would buy a Honda. D．She would fire the top programmers.
【简答题】A.She would go to a party. B.She would work overtime. C.She would work early in the morning. D.She would go home immediately after work.
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