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大修燃气轮机时在何处加支点？

答案

参考答案：

1）二级喷嘴的正下方；2）高速壳体在过渡段的接合面下部；3）压气机中部法兰面下部；4）燃烧壳体外壳前下部；5）压气机的入口法兰下部。

单项选择题 A型题

既能敛汗，又能补肾宁心安神的药物是（）

A.麻黄根

B.五味子

C.浮小麦

D.牡蛎

E.酸枣仁
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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, (51) 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 (52) to an entire finance system on the Net. It includes a virtual numeric currency, an electronic system of withdrawals, transfers and loans, and (53) cards of all shapes and sizes. The (54) 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. (55) it is a small and insignificant bank, it represents the trend of the future. In time to come, we may even have to (56) the familiar paper currency.

As the Net pushes the economy (57) 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 (58) 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 (59) This will definitely promote (60) and more efficient cooperation.

54().

A.appearance 

B.disappearance 

C.campaign 

D.ceremony
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