【单选题】He gave an _ of Peter looking out of the window. 他学彼得朝窗外张望的那副模样
【简答题】完形填空。 One day, a teacher was speaking to a group of students about how to 1 their time. He gave an example those students would never forget. He pulled out a wide jar (罐子) and put it on the table. He ...
【判断题】汽车的正常使用就是指汽车使用中没发生过碰撞、淹水、起火等意外。
【单选题】. He gave an order that all of us _____________at once.
【判断题】汽车的正常使用就是指汽车使用中没用发生过碰撞、淹水、起火等意外
【简答题】如图:根据图象回答问题:当 时,;如图:根据图象回答问题:当 ____时, ;
【简答题】函数y=a x a 2 -2a-6 是二次函数,当a=______时,其图象开口向上;当a=______时,其图象开口向下.