“人有人言,兽有兽语”,动物能利用“行为语言”传递信息。以下各种动物行为语言中,能在同种个体间交流信息的是[ ]
A.壁虎断尾
B.乌贼释放墨汁
C.蜥蜴变色
D.蜜蜂跳圆形舞
D
通气血流比值失调是肺部疾患引起呼吸衰竭最常见、最重要的机制。
肺内病变导致肺泡通气/血流>0.8,可见于()。
A.肺不张
B.肺水肿
C.肺动脉栓塞
D.慢性支气管炎
E.大叶性肺炎
1) ______ the Oral Approach 2) ______ the Cognitive Approach 3) ______ the Audiolingual Method 4) ______ the Natural Approach 5) ______ the Communicative Approach a) Dictation, imitation and controlled oral-based reading and writing tasks. b) Dialogues and pattern practice form the basis of the classroom practice. c) The first step in the classroom is to present all new sounds, vocabulary and structures in a manner meaningful to each student. d) In the early stages of speech production, it uses random volunteered group response, which place little demand on the individual student but allow early use of the target language. e) Developing listening and note-taking skills using audio-video materials; giving oral presentation; project work; role-play and simulation.