妊娠合并巨幼红细胞性贫血的临床表现哪项是不恰当的（） A.常伴有头晕、乏力、心悸 B

Many people keep small fish _31_______ pets. They keep them in a tank of water. The tank is made of glass. People can _32________ through it. They can see inside the tank and watch the fish.

The fish need room. They mustn’t be crowded. They need _33_______ to breathe.

__34_____ must be enough water for all fish. So the size of the tank is very important.

In the tank people put small plants __35________ are good for fish. They give oxygen to the water. Plants help in other ways, too. They can hide __36_______ the plants and sleep, lay eggs there.

The fish __37______ be kept in water all the time. Some can jump high. So the tank should be covered. This keeps the fish __38________ (jump) out.

The fish need food and should be fed every day. But __39____________ you give them too much food, it is very bad, for the extra food will fall to the bottom and make the water dirty. So the fish should get just enough food and finish __40___________ in ten minutes. Nothing should be left.

动脉导管未闭

A.胸骨左缘2～3肋间连续性杂音

B.肺动脉瓣区第二心音减弱

C.奔马律

D.心尖部收缩期杂音

E.心包摩擦音

评标时需考虑的首要因素是( )。

A．运输费用

B．交货期

C．价格条件

D．投标价

患者，男性，45岁，腰痛两个月余，重着而热，遇阴雨天气加重，活动后减轻，身体困重，四肢倦怠，小便短赤，舌红，苔黄腻，脉濡数。

病机为()

A．寒湿闭阻，滞碍气血，经脉不利

B．湿热壅遏，经气不畅，筋脉失舒

C．瘀血阻滞，经脉痹阻，不通则痛

D．肾阴不足，腰脊失濡

E．肾阳不足，不能温煦筋脉

男性，25岁，4小时前左腰部被砸伤。就诊时神清，血压、脉搏正常，头、颈、胸、腹无异常，脊柱无压痛，四肢活动自如，排尿通畅。左腰部疼痛明显，局部可见软组织挫伤。血常规正常，尿常规红细胞阳性（20～25个/HP），急诊B超报：左肾下极包膜血肿。应采取什么措施（）

A.立即手术探查

B.输液，对症治疗

C.休息1个月，对症治疗

D.绝对卧床5天，观察病情，对症治疗

E.绝对卧床2周，观察病情，对症治疗