题目内容
（请给出正确答案）
[主观题]
If the system does not exchange energy with surroundings, it is an _________ .
A.open system
B.closed system
C.isolated system
D.control volume
提问人：网友cheng778
发布时间：2022-01-07
如搜索结果不匹配，请 
A、Provide information to update the inventory records on receipt of goods
B、Provide information to check the quantity on the supplier’s invoice
C、Provide information to check the price on the supplier’s invoice
D、Provide information for production.
