采用分期筹集资金的，第一次投资者出资额不得低于（）
A.15%
B.20%
C.40%
D.10%
参考答案：A
对该患者做出诊断首选：
A．B超检查
B．螺旋CT
C．磁共振
D．病理检查
E．以上都不是
The family settled in New York in 1970 and has lived there_______.
A．ever since
B．long since
C．since before
D．since ever
