One of the key features of CBI is the use of authentic "input"—in other words, "real" reading but listening material: magazine and newspaper articles, poems, short stories, brochures, excerpts from textbooks written for native speakers of English, radio interviews, lectures, and advertisements.

A．and

B．or

C．and/or

D．nil

患者诊断自发性气胸，安置胸腔引流管的部位，应选择下列哪个部位

A．胸骨旁任何一肋间
B．第6肋间腋中线与腋后线之间
C．第7肋间腋中线与腋后线之间
D．第8肋间腋中线与腋后线之间
E．第2肋间锁骨中线