披覆于脏器表面的腹膜，称为（）或（），它构成腹膜内位器官的（）。

对于一个企业的员工来说，企业的“高压线”、“禁区”指的是()

A.职业良知 

B.上级命令 

C.群众要求 

D.职业纪律

Pet owners are being encouraged to take their animals to work , a move scientists say can be good for productivity , workplace morale (士气), and the well-being of animals .

A study found that 25% of Australian women would like to keep an office pet . Sue Chaseling of Petcare Information Service said the practice of keeping office pets was good both for the people and the pets . “On the pets’ side , they are not left on their own and won’t feel lonely and unhappy,” she said . A study of major US companies showed that 73% found office pets beneficial (有益的) , while 27% experienced a drop in absenteeism (缺勤).

Xarni Riggs has two cats walking around her Global Hair Salon in Paddington . “My customers love them. They are their favorites ,” she said . “They are not troublesome . They know when to go and have a sleep in the sun .”

Little black BJ has spent nearly all his two years “working” at Punch Gallery in Balmain . Owner Iain Powell said he had had cats at the gallery for 15 years . “BJ often lies in the shop window and people walking past tap on the glass ,” he said .

Ms Chaseling said cats were popular in service industries because they enabled a point of conversation . But she said owners had to make sure both their co-workers and the cats were comfortable .

小题1:The percentage of American companies that are in favor of keeping office pets is         .

A．73%

B．27%

C．25%

D．15%小题2:We know from the text that “BJ”       

A．works in the Global Hair Salon

B．often greets the passers-by

C．likes to sleep in the sun

D．is a two-year-old cat小题3:The best title for this text would be             .

A．Pets Help Attract Customers

B．Your Favorite Office Pets

C．Pets Join the Workforce

D．Busy Life for Pets

急性前壁心梗常见的心律失常（）。

A．房性早搏

B．交界性早搏

C．室性早搏

D．房室传导阻滞

E．房颤

下图中

、

分别表示不同元素的原子，图中表示的反应与实际相符的是（　　）

A．

B．

C．

D．

模具排气是制品加工质量的需要，可开设排气槽和利用模具零件的（）排气。