【单选题】听力原文: Most ants are hard workers and often work from six in the morning until ten at night. The work is divided among the worker ants so that each one has a certain amount to do. We do not know how th...
【单选题】Which of the following statments is false?( )
A.
The distribution system represents the final stage in the transfer of power to the individual customers.
B.
The power system usually consists of multiple generating sources and several layers of transmission networks.
C.
Small generating plant ( located near the load ) can not be connected to the subtransmission or distribution system directly.
D.
As the system expands and higher voltage levels become necessary for transmission, the older transmission lines are often relegated to subtransmission function.
【单选题】听力原文: Most ants are hard workers and often work from six o'clock in the morning until ten o'clock at night. The work is divided among the worker ants so that each one has a certain amount to do. We do...
【单选题】Listen to the recording. While you are listening, f ill in the blanks with T if the statements are true or F if they are false. Then compare your answers with those of your partner and correct the fal...