平角都比钝角大．______．
因为钝角是大于90°小于180°的角，而平角是180°的角，
所以平角都比钝角大．
故答案为：正确．
Ms. Black is considered a __________ lady by her neighbors, for she often helps the poor old man next
door.[ ]
A. generous
B. hopeful
C. mean
D. selfish
线路跳闸后，哪些情况不宜强送？哪些情况可以强送？
