燃油凝固点的高低与化学成分无关。
参考答案：错
To their surprise, they found the lecture given by the famous professor easy ______. [ ]
A. to be understood
B. to understand
C. understanding
D. understood
在企业中，职工的“工资级别”与职工个人“工资”的联系是( )。
A．一对一联系
B．一对多联系
C．多对多联系
D．无联系
found the lecture given by the famous professor easy ______. [ ]