【判断题】普通的宴席为了保持桌面的丰盛也可把残菜撤下换上小盘,整理好重新上桌,这样做既可保持桌面的丰盛,又可保持桌面美观。
【单选题】( ) This is ____pen. Look, ____ name is on it. A. my; my B.I ; I; C. I; my
【单选题】以下离心泵的流量控制方案从能量消耗的角度来衡量最为经济,机械效率较高的是( )。
【单选题】—Can you come to have dinner with me this evening? —I'm afraid not. I _______ take care of my grandmother. She is ill. [ ]
【单选题】The pen I I is on my desk , rightunder my nose .
【单选题】_____ name is Tom. _____ am ten. [ ]