题目

用所给单词的适当形式填空。【1】Which is _________ (heavy), the tiger or the elephant?【2】Which season do you like _________ (good) of the four seasons?【3】Can you please give me _________ (some) coffee?【4】Tom is a friend of _________ (Jack).【5】Mrs. Wang teaches _________ (we) Chinese.【6】My mother likes _________ (go) shopping.【7】What ________ (do) Li Lei often do on the weekend?【8】It is ________ (wind) today, so I want to stay at home.【9】Listen, who is ________ (sing) in the classroom?【10】______ (not) be late next time.关于重力势能的说法，正确的是（　　）A．质量大的物体，重力势能一定大B．被举得高的物体，重力势能一定大C．质量相等的物体，被举得越高，重力势能就越大D．质量相等的物体，速度越大，重力势能就越大