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问题 判断题

不定期清查只可以是全面清查，不可以是局部清查。( )

答案

参考答案：错

解析： 不定期清查是指根据实际需要对财产物资所进行的临时性清查。它既可以是全面清查，也可以是局部清查。

选择题

下列关32He的说法正确的是（   ）

A．32He原子核内含有2个中子

B．32He原子核内含有3个质子

C．32He原子核外有3个电子

D．32He和42He是两种不同的核素
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单项选择题

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.

58().

A.ahead 

B.backward 

C.front 

D.behind
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