【简答题】小题1:The car is too e__________, we don’t want to buy it. 小题2: The box is very h______. I can’t carry it. 小题3:The boy doesn’t like studying and he didn’t pass the e_____. 小题4:We went to the History M__...
【单选题】As a speeding train crosses a trestle over a deep gorge, a child drops his toy plane from the window. The path of the toy plane is modeled by , where y is the height above the floor of the gorge and d...