人们通常所说的大米经加工后仅保留了稻谷的（）。
A.胚
B.糊粉层
C.外胚乳
D.胚乳
参考答案：D
The young fellow playing the violin had the misfortune to ________ two pages at once, the music
went wrong as a result. [ ]
A. turn off
B. turn around
C. turn over
D. turn up
如果细分厂址选择工作的话，初步可行性研究所涉及的厂址问题是( )。
A．选建厂自然环境条件B．选建厂地区C．选建厂地点D．选建厂位
