【简答题】Finish the exercises of Section C. 2. Read the Dialogue 1 in Section E and make a record and send it to me.
【单选题】The cellphone has a great _____on teenagers. A affect
【单选题】以下不属于固体废物采样的具体目的是:
A.
固体废物特性鉴别和分类及环境污染和物理化学组成及特性监测
【单选题】The cellphone has a great _______ on teenagers.
【判断题】In any cellphone, the camera has a small lens that exploits variation in the speed of light to make an image.
【单选题】( )是一种“边走边看”,即具有“步移景异”功能和动与静相结合的活动形式。
【单选题】The use of cellphone has significant effect ______the way people communicate with each other every day.