GB/T14405—1993《通用桥式起重机》规定,起重机走台及端梁上的栏杆高度应不

题型:判断题

问题:

GB/T14405—1993《通用桥式起重机》规定,起重机走台及端梁上的栏杆高度应不小于1050mm。

考点:证券从业资格考试证券从业资格考试题库
题型:判断题

建筑材料大理石的主要成分是(  )

A.CaCO3

B.Ca(OH)2

C.CaO

D.CaCl2

题型:判断题

安全工器具试验合格证如何粘贴?哪些安全工器具应进行试验?

题型:判断题

氯霉素注射液用输液稀释至少需用100ml以上足量液体,并充分混匀,否则会析出结晶,是因为氯霉素的溶剂是()

A.注射用水

B.乙醇-甘油

C.生理盐水

D.碳酸氢钠溶液

E.5%葡萄糖溶液

题型:判断题

为了防止倒流污染,卫生器具配水龙头出水口应当高出卫生器具溢流边缘的最小空气间隙不得小于().

A、2倍出水口直径。

B、2.5倍出水口直径。

C、出水口直径。

D、1.5倍出水口直径。

题型:判断题

The development of e-commerce may well bring the world into a brand new era of "electronic currency". At the moment, (52) areas in Europe, the United States and Asia have already started studying the possibility of an electronic currency. Electronic currency is not only about currency. It (53) to an entire finance system on the Net. It includes a virtual numeric currency, an electronic system of withdrawals, transfers and loans, and (54) cards of all shapes and sizes. The (55) of an electronic currency system implies the emergence of "virtual banks" and "virtual enterprises". Actually, the first virtual bank appeared in the US in 1995. (56) it is a small and insignificant bank, it represents the trend of the future. In time to come, we may even have to (57) the familiar paper currency.

As the Net pushes the economy (58) rapidly, the economy is also bringing the Net market forward, resulting in the Internet itself becoming the world’s largest emerging market. Of course, this is just the beginning. Although there are many companies which made huge profits (59) in the Internet market, they tend to be small companies. To date, most companies are making losses. The competition in the knowledge-based economy will also be more (60) This will definitely promote (61) and more efficient cooperation.

54().

A.phone 

B.credit 

C.personal 

D.borrowing

更多题库