汽车运行燃料消耗量与车、路有着密切的关系，但与人无关系。
参考答案：错
选错改错。
( )________1. A friend of him went to America last week.
A B C D
( )________2. Did you work out it at last just now?
( )________3. Each of the students have a new desk.
( )________4. Please not put your socks in your shoes.
( )________5. Did he do something for his own safety?
下列化学用语中，正确的是
A．2个氧分子：2O
B．一氧化碳：Co
C．3个钠离子：3Na+
D．氧化钠：NaO
