常与被害妄想伴随存在的妄想是（）
A.夸大妄想
B.物理影响妄想
C.虚无妄想
D.关系妄想
E.嫉妒妄想
参考答案：D
The ______ a teacher has on children is usually greater than that of their parents.
A．use
B．effort
C．effect
D．energy
根据如图的磁感线，确定磁极A的极性，并判断电源正负极．
