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【判断题】
水温传感器内部是一个半导体热敏电阻，它具有负的温度电阻系数，水温越低电阻越低，水温越高电阻越高。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】当采用1:1000的比例绘绘图时,比例尺上的1mm代表实际长度为
【单选题】The writer finds it hard to accept the fact that _____________.
A.
many of his good neighbors are growing old
B.
the lady next door who used to yell at him and his brother is now a widow
C.
the life of his neighbors has become very boring
D.
the man in his black suit even wanted to end his own life
【单选题】According to the writer, forecasting is fairly accurate in ______.
A.
politics
B.
science
C.
sociology
D.
economy
【单选题】My English teacher is busy, __________ she always finds time to visit her parents.
A.
and
B.
so
C.
but
D.
or
【单选题】In the first paragraph the writer emphasizes the __________ of face-to-face contact in social settings.
A.
nature
B.
limitation
C.
usefulness
D.
creativity
【单选题】When filling up forms, the writer frequently finds that he ______.
A.
can only remember his age and birthplace
B.
doesn't remember who he is
C.
has forgotten some essential facts
D.
is afraid to answer the questions
【简答题】当采用1:1000的比例绘图时,比例尺上的1mm代表实际长度为 。
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