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患者王某某，男，36岁，有肺结核病史，现持续性膀胱炎，经一般抗菌药物治疗后症状不缓解，怀疑为肾结核。

最常引起人类肾结核的分枝杆菌是（）

A.牛型分枝杆菌

B.龟分枝杆菌

C.鸟分枝杆菌

D.结核分枝杆菌

E.海分枝杆菌

答案

参考答案：D

单项选择题

携带爆炸材料的人员乘罐时，每层罐笼不得超过（）人，其它人员不得同罐上下。

A、3

B、4

C、5
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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.

59().

A.invested 

B.comparing 

C.investing 

D.compared
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