The book is ______ as it was the only one ever signed by the President last month in the White House.
A. common
B. unique
C. rare
D. singular
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______ his speech than the audience began to ask him some difficult questions.
A. The speaker had finished no sooner
B. No sooner have the speaker finished
C. The speaker had no sooner finished
D. No sooner the speaker finished
If he were really interested in buying the apartment, Jack ______ an offer before now.
A. must have made
B. will make
C. would have made
D. would make
The minister gave a report ______ the effect on the economy after China became a member of WTO.
A. involving
B. relating
C. regarding
D. as for
单利计息与复利计息的区别在于( )。
A. 是否考虑资金的时间价值
B. 是否考虑本金的时间价值
C. 是否考虑先前计息周期累计利息的时间价值
D. 采取名义利率还是实际利率