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【判断题】
用系统作测量装置时，为获得较宽的工作频率范围，系统的阻尼比应接近于0.707A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】PLC 的输出方式通常有 方式、 方式、 方式。
【单选题】. As the newspaper reported, the talks were held in an open, friendly, cooperative and constructive ______.
A.
environment
B.
atmosphere
C.
condition
D.
situation
【单选题】—Excuse me, how can I _______ Xinhua Street? —Go along the road and turn left at the first crossing.
A.
get
B.
get to
C.
come to
【单选题】—Excuse me, _____ can I get to the nearest bookshop? —Go along this road and you will find it on your right. [ ]
A.
why
B.
where
C.
when
D.
how
【单选题】Go along the street ______ you reach (到达，伸出) the end of the road.
A.
if
B.
when
C.
until
【简答题】The teacher designs group activities that encourage constructive interaction.
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