使用灭火器灭火时,喷射(  )最有效。A、火源根部 B、火源中部 C、火源上部

题型:单项选择题

问题:

使用灭火器灭火时,喷射(  )最有效。

A、火源根部

B、火源中部

C、火源上部

考点:天然气净化操作工考试天然气净化操作工考试题库
题型:单项选择题

我国《化妆品卫生标准》中规定,所有化妆品都不得检出

A.粪大肠菌群、绿脓杆菌、金黄色葡萄球菌

B.链球菌、粪大肠菌群、金黄色葡萄球菌

C.链球菌、绿脓杆菌、金黄色葡萄球菌

D.大肠菌群、绿脓杆菌、金黄色葡萄球菌

E.粪大肠菌群、链球菌、绿脓杆菌

题型:单项选择题

实行“以支定筹”、“略有积累”原则的社会保险资金筹资模式是()

A.现收现付式

B.完全基金式

C.部分基金式

D.公积金制

题型:单项选择题

The most accurate and most boring way to (105) Java is that it is a new computer programming language developed by Sun Microsystems that creates (106) independent programs that can be distributed and nm remotely. To run Java programs, a computer must have a Java interpreter. Currently (107) Java programs are small "applets" that are (107) as part of web pages.
When you use a Java (108) browser to view a Web page that includes a Java applet, the browser loads the applet onto your computer through your modem or network. Then the Java interpreter runs the applet, which could include animation or sound, on your computer rather than transmitting the code bit by bit over Internet. A few thousand bytes of Java code can tam into a powerful program on your computer.
So an applet could include (109) with Java interpreter.

A.condition

B.platform

C.programmer

D.workstation

题型:单项选择题

卵巢癌典型的大网膜种植表现为前腹壁下相当于大网膜部位呈()

A.饼状软组织肿块

B.多发结节状改变

C.网状纤维条索

D.无一定特征

E.以上均不是

题型:单项选择题

建立和撤销账户关联()关联账户原有的代扣代缴、银证业务等签约关系。

A、不修改

B、修改

C、不影响

D、影响

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