已知曲线上的点到x轴的距离等于它到点F(0,-4)的距离,那么曲线方程是______________.
—Did you read a book called Jane Eyre? —Who it? A. writes B. write C. is writing D. wrote
A sobbing little girl stood near a small church. She had been turned away because it “was too 41 .” “I can’t go to the Sunday School.” Hattie May Wiatt sobbed to Dr Conwell, the
20世纪三四十年代，日本侵华期间，在沦陷区各级中小学宣扬日本没有霸占中国领土，皇军是帮助中国驱逐欧洲白种人，以建立王道乐土来的，所以中国
从科学的角度来看，下列说法正确的是（ ）A．冬天用煤炉取暖，为防止热量散失，应关紧门窗B．进入古井前，应先做灯火试验C．一次性塑料袋使
“老吾老以及人之老，幼吾幼以及人之幼。”孟子的话勉励我们（ ） A.以先进人物为榜样，做一个道德至善的人 B.要坚守永恒的道德标
宏伟的长城是我国古代劳动人民智慧和独创性的象征。下列关于秦长城起止点的叙述，正确的是( ) A．西起嘉峪关，东到山海关
His boss is going to be on vacation next week and the company will be left _______ him. A. in charge of B. in
