题目: The president of the country was ______well of when he was in power.A.praisedB.fondC.appreciatedD.thought 答案: 答案:D think of用于被动为be thought of,B项be fond of后须接名词或代词;A、C项后不用接of。
题型:单项选择题 有一环网及其参数如题4-33图所示,节点①为电源,则该环网的功率分点及其功率的分开值为()。A.节点②15+j12,10+j6B.节点②20+j15,5+j3C.节点③26.5+j21,3.7+j2.69D.节点③25+j20,5.2+j3.69 查看答案