烟煤的挥发份在()之间。
A.6.5%~37%
B.10%~37%
C.10%~45%
D.37%~45%
参考答案:B
----Which of the electronic dictionaries do you like most?
-----______.They are both expensive and of little use.
A.None
B.Either
C.Neither
D.Any
影响房租变化的主要因素有______。
A.房屋租赁市场的供求关系
B.银行利率
C.房价
D.水电价格