(选做题)若关于x的不等式|a|≥|x+1|+|x-2|存在实数解,则实数a的取值范围是( )。
Jenny likes ______________ very much.[ ]
A. Chinese some
B. Chinese something
C. somethings Chinese
D. something Chinese
患者胃脘胀闷,攻撑作痛,脘痛连胁,嗳气频繁,大便不畅,舌苔薄,脉沉弦,治疗应首选:
A.丹参饮
B.柴胡疏肝散
C.金铃子散
D.化肝煎
E.失笑散