实验室中大理石通常盛放在下面的哪种瓶中[ ] A. B. C. D.

题型:选择题

问题:

实验室中大理石通常盛放在下面的哪种瓶中[ ]

A.

B.

C.

D.

考点:药品的存放
题型:选择题

粉体学中,用来评价粉体流动性的是

A.堆密度
B.休止角
C.临界相对湿度
D.有效径
E.接触角

题型:选择题

Directions:Complete the following passage by filling in each blank with one word that best fits the

context.

     Each of us is different and our body clocks are different too. Some of us can stay awake and work till

late in the night, 1.________   feeling tired, while others may find it easy to wake up and start work  

2.________, instead of continuing late in the night. These tendencies make some of us "night persons"

and   3.________   "morning persons". So if you are a morning person, the best time to exercise for you

would be mornings,   4.________   you feel energetic. However, if you are a night person, who hates to

wake up early, afternoons or evenings will suit you more for exercising.

     If you want to know when is the best time to exercise to burn fat, then mornings are the ideal choice.  

5.________  are mornings considered the best time to exercise for weight loss? There is   6.________  

scientific explanation for that. When a person exercises in the afternoon or in the evening, he is simply

burning the calories coming from   7.________   he has eaten last. But when he exercises on an empty

stomach in the morning, he is burning calories which are stored in the body as fat.   8.________, the best

time to exercise to lose weight is in the morning.

题型:选择题

小吨位天车控制电路中.吊钩电路由()组成。

A、升限位开关和升降联锁触头

B、降限位开关和升降联锁触头

C、升降限位开关和升降联锁触头

题型:选择题

下列各项中,属于审核原始凭证真实性的项目是( )。

A.阿拉伯数字是否分位填写

B.小写金额前是否标明“¥”字样

C.大写金额前是否加有“人民币”字样

D.自制原始凭证是否有经办部门和经办人员签章

题型:选择题

使用KBSGZY系列移动变电前应检查接地系统是否符合要求,主接地极和辅助接地极距离不得大于5m。()

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