【单选题】听力原文:M: Jeff has not been on good terms with his sister for the last few years, but I hear he visited her on his trip to California recently. W: Yes, he hadn't planned to call on her, but he changed h...
A.
Jeff has always liked his sister.
B.
Jeff made a phone call to-his sister.
C.
Jeff visited his sister.
D.
Jeff planned to visit his sister.
【判断题】电路如图所示,开关闭合前电路处于稳态,t=0时将开关闭合,则电感电压【图片】。对吗?图【图片】
【判断题】美国地方政府发行的市政债券利率低于联邦政府债券利率的原因是违约风险差异所 致。
【单选题】不论重大错报风险的评估结果如何,审计人员都应对各重要账户和交易类别进行( )
【判断题】美国地方政府发行的市政债券利率低于联邦政府债券的原因是违约风险差异所致。
【简答题】电路如图所示。t<0时电路处于稳态,t=0时开关S闭合。求S闭合后的电压u(t)。
【单选题】Sam has curly hair but his twin sister’s is quite ().
【单选题】He _ _ got a letter __ _ his sister. [ ]
【判断题】美国地方政府发行的市政债券利率低于联邦政府债券利率的原因是违约风险差异。
【单选题】His sister left home in 1998, and _______ever since.