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【单选题】
规定宦官的官职最高不超过（）。A.
五品
B.
四品
C.
三品
D.
二品
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【简答题】Camphor, C 10 H 16 O, which has a freezing point of 174℃, has a freezing point depression constant of 40.0℃/m. Explain the usefulness and the limitations of camphor as a solvent for determination of m...
【单选题】What will the weekend temperature be?
A.
Below freezing.
B.
Right around freezing.
C.
Around 7 degrees.
D.
About 11 degrees.
【单选题】The freezing point is the temperature _______ water changes into ice.
A.
at which
B.
on that
C.
in which
D.
of what
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