国内生产总值
参考答案：
解析：一定时期内(通常是一年)在一国领土范围内所产生的产品和劳务的价值总和。
At that moment, I was just standing by the window in my room, I could see what was occurring on the street.
A．from which
B．from whose
C．from that
D．from where
患者，30岁。常常在晨起及晚间躺下时咳大量脓痰，伴少量鲜血，并且痰液放置后分3层，可能是
A．慢性支气管炎B．肺癌C．肺结核D．支气管扩张E．肺气肿
