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【简答题】
计算机制作报表时，计算公式定义可以采用人工输入也可以采用引导输入。（ ）
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【单选题】A typical instant-messaging conversationlasts ________. A.at least one hour B.more than one hour C.at least half an hour D.more than one place
A.
at least one hour
B.
more than one hour
C.
at least half an hour
D.
more than one place
【简答题】A．She is late. B．She is never on time. C．She feels angry. D．She doesn't want to be blamed.
【单选题】在电阻电路、电感电路、电容电路中，电流和电压关系的共同点是( )。
A.
电流与电压同频率
B.
电压相位超前电流相位90°
C.
电压与电流同相位
D.
电流相位超前电压相位90°
【单选题】—Sally never comes late, ______she? —No. She is always the first one to come to school. [ ]
A.
doesn't
B.
isn't
C.
is
D.
does
【简答题】A．Half an hour. B．One hour. C．One hour and a half. D．Two hours.
【单选题】Winning a gold medal in the Asian Games is an unforgettable moment for her，________she will never forget. [ ]
A.
that
B.
what
C.
it
D.
one
【简答题】共集电极放大器又称____ ,它的特点是:电压放大倍数小于而接近于____,输出电压与输入电压相位相同,输入电阻____输出电阻____。
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