胃泡鼓音区明显减小或消失见于（）。
A.肝右叶肿大
B.膀胱肿大
C.胰腺肿大
D.脾脏肿大
E.卵巢囊肿
参考答案：D
A computer costs about ______ of a typewriter.
A．the nine-time price
B．nine times price
C．the nine times price
D．nine times the price
________ you know Peter?
A．Are
B．Do
C．Does
D．Is
