患者吐血色红或紫黯，脘腹胀闷，甚则作痛，口臭，便秘，舌红苔黄腻，脉滑数。治疗应首选A

根据《标准施工招标文件》规定，除专用合同条款另有约定外，解释合同文件中：①合同协议书；②专用合同条款；③技术标准和要求；④图纸；⑤中标通知书；⑥投标函及投标函附录等优先顺序为( )。

A．①—②—③—④—⑤—⑥

B．①—⑤—⑥—②—③—④

C．①—③—②—④—⑥—⑤

D．①—④—⑥—⑤—②—③

爆炸范围通常用可燃气体、可燃蒸气在空气中的体积百分数表示。爆炸极限的范围（），爆炸下限（），爆炸危险性越大。

A、越宽，越高

B、越窄，越高

C、越宽，越低

D、越窄，越低

用所给词的适当形式填空(10分)

小题1:The meat smells ____________(terrible). Throw it away.

小题2: While Daniel ___________ (make) a snowball, he fell over.

小题3:__________ (luck), his car broke down on his way to Shanghai.

小题4:Tigers are __________ (danger) animals, we should protect them as much as possible.

小题5:The zookeeper told us ___________(not frighten) the birds.

小题6: Do you know the ___________(weigh) of the box?

小题7: My mother ____________ (mop) the floor at this time yesterday.

小题8: She is very sad because of the _________ (lose)of her lovely dog.

小题9:After walking for a long time, they felt much _________(thirsty).

小题10:Do you like to watch the _______ (feed) of animals with me this morning?

下列对尿液分析质控物的叙述，错误的是

A．质控物成分稳定

B．瓶间差异大

C．易保存运输

D．复溶后成分无变化、使用方便

E．价格低廉

抵押合同合法成立并经登记生效后，债权人取得抵押权人的（）。

A.法律地位

B.保障债权的实现

C.受偿的权利

D.签订书