女性，34岁，腹痛、腹泻伴午后低热半年余，大便呈稀糊状，无黏液及脓血，不伴里急后重。体检：消瘦，体温37.9℃，心肺无明显异常

腹部体检中最有助于诊断的发现为

A．左上腹轻压痛

B．肠鸣音活跃

C．肝区轻度叩痛

D．右腹部可扪及包块

MIMD systems can be classified into (1) -oriented systems, high-availability systems and response-oriented systems. The goal of (1) -oriented multiprocessing is to obtain high
(1) (2) minimal computing cost. The techniques employed by multiprocessor operating systems to achieve this goal take advantage of an inherent processing versus input/output balance in the workload to produce (3) and (4) loading of system (5)

A．balance

B．balanced

C．balances

D．balancing