用铜、铁、铝三种物质制成三个质量和体积均相等的球,下列说法正确的是[ ] A.三

题型:选择题

问题:

用铜、铁、铝三种物质制成三个质量和体积均相等的球,下列说法正确的是[ ]

A.三个球都可以做成实心的

B.铝球是实心的,铁球、铜球是空心的

C.铁球是实心的,铝球、铜球是空心的

D.铜球是实心的,铁球、铝球是空心的

考点:密度公式的应用
题型:选择题

2008年9月27日21时10分,中国自行研制的“神舟七号”飞船载着我国自己培养的三名宇航员顺利地升入太空,并首次实现了在太空的行走,再现了中国航天的辉煌!下列不属于宇航员在太空生存的基本条件是 [ ]

A.鲜花

B.氧气

C.水

D.营养物质

题型:选择题

根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

The power of work stress

Many experts believe that stress can strengthen you or tear you down.    小题1:   The following are suggested to perform better under pressure.

Give stress a good name

Why hate work stress—it’s a sign that our career is advancing. Think of a heavy work load as an exciting opportunity to push yourself. Don’t complain about it.    小题2:  

Alternate (交替) tasks

Spending an entire day or week on a single project increases your anxiety without improving your productivity.    小题3:   You need to create your working patterns to recharge. Every 60 to 90 minutes, take a break from your primary activity and do something different for 15 minutes.

Refuel

Tend to skip meals and pull late nights when you feel the heat at work?    小题4:   Get six to eight hours of sleep, and go to bed at the same hour every night. Avoid big meals but have high-carbon, low-fat snacks every few hours.

Overcome your fears

  小题5:   Often, your stress comes from worrying rather than from the work assignment or problem you’re dealing with. Write down the fears in detail and methodically address each one.

A.Both could lead to burnout.

B.In most cases, you can choose.

C.Pressure doesn’t get you down, fear does.

D.Keep work and rest in a proper balance.E. Instead, greet it with optimism(乐观).

F. In fact, you may lose focus.

G. Or rather, it is the basis of success.

题型:选择题

保险监督管理机构作出限期改正的决定后,保险公司在限期内未予改正的,保险监督管理机构应当指定该保险公司的有关人员,组成整顿组织,对该保险公司进行整顿。( )

题型:选择题

采用硫磺粉硫化胶料耐老化性好,强度低。

题型:选择题

关于失业预警制度,下列说法正确的有( )。

A.《劳动法》规定,县级以上人民政府建立失业预警制度,对可能出现的较大规模的失业,实施预防、调节和控制

B.政府部门可根据失业预警提示,采取财政、税收、社会保障等综合性政策措施

C.失业预警是指通过对反映就业、失业状况的监测指标跟踪分析,当监测指标达到或接近设定的失业预算线时,及时进行失业预报

D.用人单位可以根据自己的需要进行人员的裁减

E.用人单位裁减人员应当严格按照法律法规进行,也可以采取多种方式,避免较大规模解除、终止劳动者的劳动合同

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