The most obvious characteristics of the Communicative Approach is that almost everything that is done is done with a communicative intent.()
A. 正确
B. 错误
心肺复苏时,心脏按压与口对口人工呼吸的比例是()
A. 4:1
B. 5:1
C. 6:1
D. 7:1
E. 30:2
跆拳道比赛开始时裁判喊的“Chung”和“Hong”表示黑和黄.
A. 正确
B. 错误