________ your inquiry of July 3 for a supply of Felix stationery, we are pleased to quote as follows.

6. ____ your inquiry of July 3 for a supply of Felix stationery, we are pleased to quote as follows. A. Replying to B. Replied to C. Replying on D. Replied on A: A B: B C: C D: D

早在1946年，美国哈佛大学的（ ）和斯坦福大学的Felix Block领导的两个研究小组发现了物质的核磁共振现象。 A: R.Damadian B: Jasper Jackson C: Paul C. Lauterbur D: Edward Purcell

首先提出采用相位和频率编码及傅里叶转换方法进行磁共振成像的科学家是() A: Felix Block B: Edward Pucell C: RaymondDamadian D: Pacul Lauterbur E: Richard Ernst

首先提出采用相位和频率编码及傅里叶转换方法进行磁共振成像的科学家是() A: Felix Block B: Edward Pucell C: RaymondDamadian D: Pacul Lauterbur E: Richard Ernst