咬合干扰不包括()
A.正中咬合干扰
B.前伸咬合干扰
C.工作侧咬合干扰
D.非工作侧咬合干扰
E.正中关系咬合干扰
参考答案:E
设f(cos2x)=sin2x,则等于()。
A.1
B.0
C.
D.-1
We did not expect our offer_________ so quickly. [ ]
A. rejected
B. to reject
C. to be rejected
D. rejecting