401155×(-55),
=(40+1155)×(-55)
=40×(-55)+1155×(-55),
=-2200-11,
=-2211.
语言频率平均听力损失:是指语言频率为()、()和()。
The teacher talked with Jack, _______ problems was poor study habits.
A.whose
B.which
C.one of whose
D.one of which