基金份额的转换一般采取未知价法，按照转换申请日的基金份额净值为基础计算转换基金份额数量。 ( )
参考答案：对
解析： 基金份额的转换一般采取未知价法。
Sally ______ dinner when I came back.[ ]
A. were having
B. was doing
C. was having
D. were doing
绘图时，可见轮廓线应采用（）。
A.点划线
B.细实线
C.粗实线
D.波浪线
