社会主义宏观经济调控的基本目标是()。A.保持经济总量平衡和经济结构优化 B.保持物

某患者10个月，男性，阵发性哭闹，躁动不安10h，解果酱便，中上腹压痛明显，右下腹可扪及4×3×2cm大小的肿块，考虑为

A．急性阑尾炎
B．肠套叠
C．肠扭转
D．卵巢囊肿
E．急性胆囊炎

下列各组微粒不是等电子体的是[ ]

A．N₂．C₂^2-

B．CO₂．NO₂

C．C₆H₆．B₃N₃H₆

D．PCl₃．NF₃

When can routine communications be resumed when radio silence has been imposed?（）

A.After determining that the frequency or channel appears to be no longer in use

B.After determining that geographic distance from the distress situation will prohibit any other signal from interfering with emergency communications

C.Routine communications can resume after the Rescue Coordination Center transmits a message on the frequency or channel being used for emergency communications stating that such traffic has concluded

D.If，in the Master's opinion，communications on that frequency will interfere with emergency communications

患者，男，24岁。脘腹胀痛，痛甚欲便，泻后痛减，大便恶臭，伴嗳腐吞酸，不欲饮食，舌苔垢腻，脉滑。治疗时除取大肠俞、天枢、足三里外，还应加

A．曲池、内庭

B．中脘、内关

C．曲池、大椎

D．气海、上巨虚

E．梁门、外关

新鲜骨折一般指伤后多长时间内的骨折（）

A.1周

B.2周

C.1～2周

D.2～3周

E.3周