关于频谱多普勒技术不对的有（）
A.测量血流速度
B.确定血流方向
C.确定血流种类
D.尽可能了解组织细胞的超微结构
E.获得有关血流参数
参考答案：D
根据表格内容，判断对错，对的在题前的括号内画“√” ，错的画“×”。
Mary and Kate are sister. They just had a physical examination (体检). These are some of the results.
They are healthy.
( ) 1. Mary is Kate's sister.
( ) 2. Kate is older than Mary.
( ) 3. Mary has long and brown hair.
( ) 4. Mary is 10kg heavier than Kate.
( ) 5. Their eyes' colour are the same.
在“何以臻寿考无疆之休哉”中，“寿考”之义为（）
A.年老
B.寿长
C.衰老
D.久远
