【单选题】以下说法哪一种是正确的( )
A.
电场中某点电场强度的方向,就是试验电荷在该点所受的电场力方向
B.
电场中某点电场强度的方向可由E=F/q0、确定,其中q0为试验电荷的电荷量,q0可正可负,F为试验电荷所受的电场力
C.
在以点电荷为中心的球面上,由该点电荷所产生的电场强度处处相同
【单选题】“伐柯伐柯,其则不远”中“柯”意思为( )。
【简答题】SECTION B ENGLISH TO CHINESE Directions: Translate the following text into Chinese. Second after the roof blew off the Koshak house, John yelled, 'Up the stairs—into our bedroom! Count the kids.' The ...
【单选题】Section A Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the ...
A.
It won't be any different from the others.
B.
It will be unusually mild.
C.
It won't affect the hunters.
D.
It will probably be cold.
【简答题】Section A Directions: Listening to the following recorded questions and then choose the proper responses. Af t er each question, there is a pause. The questions will be read twice