（）主要是用于美甲艺术的比赛。
A.观赏型手绘
B.实用型手绘
C.法式水晶
D.手绘指甲
参考答案：A
Neither he nor his brother _______ the film. [ ]
A. has seen
B. have seen
C. see
D. had seen
电力变压器并列运行应具备的条件是什么？请分析不满足并列条件所引起的不良后果是什么？
