气管异物的临床表现不应有的是（）。
A.咳嗽、憋气、窒息
B.颈部声门下拍击声
C.颈部可触到撞击感
D.喘鸣音
E.两侧肺呼吸音不一致
参考答案：E
The teacher together with the students ________ discussing Reading Skills that ________ newly published in America.
A．are；were
B．is；were
C．are；was
D．is；was
