下列选项，不属首乌藤主治病证的是（） A.跌打骨折 B.血虚身痛 C.失眠多梦 D.

Software design is a (46) process. It requires a certain amount of fl air on the part of the (47) . Design can not be learned from a book . It must be practiced and learnt by experience and study of existing systems. A well (48) software system is straightforward to implement and maintain , easily (49) and reliable. Badly (48) software systems, although they may work are (50) to be expensive to maintain , difficult to test and unreliable.

A．like

B．unlikely

C．unlike

D．likely

患者男，54岁。高血压病史6年，近半年常有劳累时心前区闷痛，常规心电图检查3次均无异常。为明确诊断，下步检查最恰当的是（）

A.胸部X线

B.超声心动图

C.血清心肌酶测定

D.心电图负荷试验

E.心电向量图

营养不良最先出现的症状是

A．体重不增

B．身长低于正常

C．皮下脂肪减少或消失

D．皮肤干燥，苍白，失去弹性

E．肌张力低下，体温偏低，智力迟钝

--Would you be ___ to help me with my study?---I'll be very glad ___ it.

A．too kind, doing

B．very kind, doing

C．as kind as, to do

D．so kind as, to do

煤层厚度小于0.3m的突出煤层，可直接采用震动爆破或远距离爆破揭煤。