食管平滑肌瘤的特征性X线表现是（）
A.黏膜紊乱
B.充盈缺损
C.管腔变形
D.环行征
E.浅分叶
参考答案：D
As soon as he comes back, I’ll tell him when __________ and see him. \
A．you will come
B．will you come
C．you come
D．do you come
手工汇总中的点线法只能汇总单位数，不能汇总标志值。
