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【单选题】
5-溴尿嘧啶是一类间接引起碱基对置换的诱变剂,它只对下列哪种微生物才起作用( )A.
微生物
B.
微生物
C.
细菌
D.
正在进行新陈代谢和繁殖的微生物
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【简答题】When the foreign exchange rates are fluctuating，the carriers may charge（ ）．
【单选题】Economics can render service in the area of exchange, but its tools find less purpose when applied to paradigms dominated by alternative models of transactions and social relationships. In small group...
A.
Small Groups and Governments, A Comparison of Two Economic Methods
B.
Social Obligation and the Consumer：A Case Study
C.
Regular vs. Irregular Systems in Economics
D.
The Comparative Strength of Economics in Various Areas
E.
The Triumph of Analysis in Economic Theory
【单选题】When will the exchange rate be used according to the man ?
A.
When you deposit money with a bank.
B.
When you borrow money from someone.
C.
When you deposit money with a foreign bank.
D.
When you exchange RMB for some foreign currency.
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