分配股票股利将导致公司现金（）。
A.没有变化
B.流入
C.流出
D.无法判断
参考答案：A
解析：股票股利不会导致公司现金流出，现金股利会导致现金流出。
X线束入射于肢体曝光面的大小，正确的称为（）
A.视野
B.投影
C.照射野
D.观察野
E.曝光面积
— Have the students finished decorating the hall for the celebration?
— I've no idea. They ______ it yesterday afternoon.
[ ]
A. did
B. have done
C. were doing
D. had done
