妊娠合并心脏病病人下列哪项叙述是正确的？（） A.妊娠期如无心力衰竭可进普食 B.产

_____at in this way, the present situation about birds flue doesn’t seem so disappointing.

A．Looking

B．Looked

C．Having looked

D．To look

根据Jim’s Family Tree，在横线上填入正确的单词。

Jim’s Family Tree

　　I  71 a friend.   72 name is Jim. There are(有) eight(八个) people(人) in his  73 .

His grandparents have two sons, his father and his  74 . His parents have two  75 and two  76 .   77    78 Jim, Susan, Henry and Jane. So Jim has two  79 and a  80 . Jim loves his family very much. They love him, too. He has a big and good family.

垄断程度高的商品，价格波动幅度( )

A．较大
B．较小
C．适中
D．视情况而定

肺通气

某安装公司承担了某重工企业的重型锻压机车间及炼钢车间的基础施工和安装工程。安装过程中工程测量使用了光学经纬仪和全站仪，施工日期正值冬季。根据设备安装图和有关的技术规范，对已完工的基础进行全面的复测和检查合格以后才能进行设备的安装。

在该工程施工中遵照《工业炉砌筑工程施工及验收规范》(GB 50211)及其他现行的标准、规范的规定执行。

锻压机的设备基础形式为（）。

A．受静负荷的设备基础

B．单块式基础

C．素混凝土基础

D．钢筋混凝土基础