目前先进裂解炉的热效率是（）。
A.78%〜82%
B.85%〜90%
C.92%〜94%
D.96%〜97%
参考答案：C
— Could you turn the radio down a little bit?
— ________.Is it disturbing you? [ ]
A. Not a bit
B. I'm sorry
C. Take it easy
D. Never mind
A banker’s acceptance that is priced at $99145 and matures in 72 days at $100000 has a (n):（）
A. money market yield greater than its discount yield.
B. discount yield greater than its bond equivalent yield.
C. money market yield greater than its bond equivalent yield.
