诊断慢性支气管炎的主要依据是()
A.病史和症状
B.心电图改变
C.胸部X线检查
D.阳性体征
E.肺功能检查
参考答案:A
Cars do cause people some health problems, in fact far more serious _____ than computers do.
A.one
B.it
C.ones
D.those
在个人住房贷款合同签订的过程中,必须办理合同公证。()