周边设备由平衡连接转为不平衡连接时,设备之间的距离应尽量()。
参考答案:短
下列情况中,产品供给弹性小的是()。
A.劳动密集型产品
B.生产周期长的产品
C.商品率高的产品
D.资金密集型产品
E.技术密集型产品
What does the speaker think of the movement to the suburbs
A.People may miss the cultural life in cities.
B.The movement is still developing.
C.It satisfies man’s need to live and work in an ideal environment.
D.People may like the companionship in suburbs.