23岁，急性右下腹痛，阵发性加剧4h，伴恶心、呕吐。1年前查体曾发现右侧卵巢囊实性肿块4cm；G3P0。妇科检查：宫颈Ⅱ度糜烂，子宫中位正常大小；子宫右上方囊实性肿块(直径8cm)，活动受限，压痛明显；B超提示肿块为囊实性，实性部分内有强回声。临床诊断：右卵巢成熟畸胎瘤蒂扭转。处理：急症剖腹探查。探查发现右侧附件顺时针扭转720°，呈紫黑色，盆腔内少量血性渗出。下列哪项处理最不恰当（）

A．探查左侧附件

B．右附件切除，剖视左卵巢

C．直接钳夹蒂部行右附件切除

D．复位蒂扭转，剥除肿瘤送冷冻病理检查

E．直接钳夹蒂部行右附件切除，送冷冻病理检查

Why have the Americans developed space shuttle according to the passage

Which of the following statements best describes humor in China

A．It is more or less the same in all parts of the country.
B．It is drastically different in every part of the country.
C．It is distinguished from Hong Kong.
D．It is more a verbal act than a physical act in the north.