茶艺人员行茶时,礼仪举止的基本要求是:()、()、()。
参考答案:鞠躬礼;仲手礼;注目礼和点头礼
Willie has complained to the sales manager about the PC he bought _______ screen exploded for no reason.
A.which
B.where
C.when
D.whose
急腹症的病理类型不包括()
A.炎症
B.梗阻
C.出血
D.穿孔
E.休克