下列活动中属于浙江省元宵节民俗活动的有（）。 ["浦江迎会","泰顺百家宴","海宁市硖石灯会","苏庄舞草龙","平湖市迎大蜡烛"]
中金所国债期货最后交易日的交割结算价为（） ["最后交易日最后一小时加权平均价","最后交易日前一日结算价","最后交易日收盘价","最后交易日全天加权平均价"]
德国音乐家格鲁克是近代（）先驱和革新家。 ["歌剧","交响曲","钢琴曲","奏鸣曲"]
These last few painful moments make me wonder if what my friends told me about college was all true. ①Where are all the beautiful girls I’m supposed to be meeting and talking to in every room? Where are the freedom and relaxed atmosphere my friends bragged about? I’m supposed to be enjoying myself instead of suffering! Everybody seems to have forgotten that college is hard work too. My first days in writing class prove② that delight and pleasure often disappear when assignments are due!
文中②段画线部分正确的翻译是（）。 ["快乐和愉悦常常在该交作业的时候消逝得无影无踪。","快乐和愉悦常常在有作业的时候消逝得无影无踪。","快乐和愉悦常常在作业来临的时候消逝得无影无踪。"]
滑油指示系统包括有（）。 ①滑油低压开关； ②滑油温度传感器； ③磁性堵塞（金属屑探测器） ④滑油压力传感器 ["①②③④","①②③","②③④","①③④"]
带式焙烧机焙烧段的热风倒流现象是怎样产生的？
