理事会是会员制证券交易所的最高权利机构。
参考答案：错
— Have you been watching TV? Don't _____ valuable time running.
— I'm not. I'm tired now and only am taking a short break.[ ]
A. give
B. waste
C. cost
D. spare
肝脓肿的临床表现是()
A．发热
B．肝区疼痛
C．伴右肩牵涉痛
D．肝脏肿大
E．白细胞升高
