饮用水及游泳池消毒用()。 A.0.05%~1%苯扎溴铵(新洁尔灭) B.75%乙醇

题型:单项选择题 A1型题

问题:

饮用水及游泳池消毒用()。

A.0.05%~1%苯扎溴铵(新洁尔灭)

B.75%乙醇

C.0.05%~1%杜灭芬

D.0.2~0.5μg/L氯

E.0.1%~0.5%过氧乙酸

考点:口腔执业医师消毒与灭菌消毒与灭菌题库
题型:单项选择题 A1型题

某种药品原价为36 元/ 盒,经过连续两次降价后售价为25元/ 盒,设平均每次降价的百分率为x,根据题意所列方程正确的是[ ]

A.36 (1-x)2=36-25

B.36 (1-2x)=25

C.36 (1-x)2=25

D.36 (1-x2)=25

题型:单项选择题 A1型题

目前实行计税工资的企业,人均月扣除最高限额和个别经济发达地区经省级政府审批可提高的幅度比例分别为( )。

A.500元、10%

B.550元、15%

C.550元、20%

D.800元、20%

题型:单项选择题 A1型题

Mr. Peter Johnson, aged twenty-three, battled for half an hour to escape from his trapped car yesterday when it landed upside down in three feet of water. Mr. Johnson took the only escape route—through the boot.
Mr. Johnson’s car had finished up in a ditch at Romney Marsin, Kent after skidding on ice and hitting a bank. "Fortunately, the water began to come in only slowly, " Mr. Johnson said. "I couldn’t force the doors because they were jammed against the walls of the ditch and dared not open the windows because I knew water would come flooding in. "
Mr. Johnson, a sweet salesman of Sitting Home, Kent, first tried to attract the attention of other motorists by sounding the horn and hammering on the roof and boot. Then he began his struggle to escape.
Later he said, "It was really a half penny that saved my life. It was the only coin I had in my pocket and I used it to unscrew the back seat to get into the boot. I hammered desperately with a hammer trying to make someone hear, but no help came. "
It took ten minutes to unscrew the seat, and a further five minutes to clear the sweet samples from the boot. Then Mr. Johnson found a wrench and began to work on the boot lock. Fifteen minutes passed by. "It was the only chance I had. Finally it gave, but as soon as I moved the boot lid, the water and mud poured in. I forced the lid down into the mud and scrambled clear as the car filled up. "
His hands and arms cut and bruised, Mr. Johnson got to Beckett Farm nearby, where he was looked after by the farmer’s wife, Mrs. Lucy Bates. Huddled in a blanket, he said, "That thirty minutes seemed like hours. " Only the tips of the car wheels were visible, police said last night. The vehicle had sunk into two feet of mud at the bottom of the ditch.

Which statement is true according to the passage

A. Mr. Johnson’s car stood on its boot as it fell down.
B. Mr. Johnson could not escape from the door because it was full of sweet jam.
C. Mr. Johnson’s car accident was partly due to the slippery road.
D. Mr. Johnson struggled in the pouring mud as he unscrewed the back seat.

题型:单项选择题 A1型题

施工企业管理人员安全生产考核内容包括安全生产知识和()两方面。

A.安全设备知识

B.安全管理能力

C.安全设备维护

D.安全施工知识

题型:单项选择题 A1型题

关于散剂混合的原则及其叙述,正确的是

A.直接将各组分粉末按处方比例进行混合

B.混合时摩擦起电的药物易混匀

C.含液体组分时,可用其他固体组分或吸收剂吸收至不润湿为止

D.各组分密度差异较大时,应先加密度大组分后加密度小组分

E.易黏附组分和量少组分应先加入

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