肝气犯胃所致胃痛的主要特征有：（）
A.胃脘刺痛
B.食后痛减
C.胃脘胀痛
D.痛连胁肋
E.嗳气痛减
参考答案：C, D, E
16位声卡的样本规模是（）位
A.16
B.24
C.8
D.32
Are there any similarities and differences between the Oral Approach and the Audiolingual Method in terms of language theories and learning theories
