对高血压病患者，每日盐摄入量应是多少克（）
A.0
B.＜6
C.7~8
D.9~10
E.不用限制
参考答案：B
_____ in thought, he sat at the edge of the bed, with his eyes _____ on the letter in his hand.
A．Lost; fixing
B．Losing; fixed
C．Lost; fixed
D．Losing; fixing
“三北”防护林建设工程被誉为 ，1989年，被邓 * * 题名为 。
