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【简答题】
一元二次不等式 解集为( )
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皮皮学刷刷变学霸
举一反三
【单选题】04-136自动扶梯扶手带的运行速度相对于梯级、踏板或胶带的速度允许偏差差为( )。
A.
98~102%
B.
95~105%
C.
100~102%
D.
100~105%
【单选题】The ink has faded with time and so parts of the letter were ______.
A.
illegible
B.
indelible
C.
illegitimate
D.
inscrutable
【简答题】Most of the articles in the book were written by ______.22：Most of the articles in the book were written by ______.
【单选题】The ink had faded with time and so parts of the letter were illegible.
A.
illiterate
B.
illegitimate
C.
inscrutable
D.
indecipherable
【单选题】自动扶梯扶手带的运行速度相当于梯级、踏板或胶带的速度允许偏差为( )。
A.
98％~102％
B.
95％~105％
C.
100％~102％
D.
100％~105％
【单选题】About six months later，the letter they were looking forward to ________at last．
A.
arrived
B.
arriving
C.
had arrived
D.
arrive
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