【简答题】What could scientists do if Robert's theory proves to be true? [A] They could drive the insects away. [B] They could keep the plants well-watered. [C] They could make the plants grow faster. [D] They ...
【简答题】小晗从学校一楼打水匀速走上三楼.每层楼的高度为4m.水和桶的总重为10N.上三楼后又水平匀速走100m到达班级.那么小晗在这个过程中对水桶做功为______J.
【简答题】假定资料二第(1)至第(8)项的内部控制不存在缺陷,请指出如果B注册会计师拟进行控制测试的情形?
【单选题】The theory proves right.
【简答题】请观看自己的三次(只有两个的评两次)演讲录像并参照演讲评价标准对每次演讲的优点与不足进行评价,写出自评报告——请采用评语加评分。
【单选题】The theory he stuck to ______ to be right later. [ ]
【简答题】如图所示,小明同学一口气从一楼跑到三楼,所用时间为15s.楼层高度约3m,小明体重约480N. (1)小明跑到三楼至少要做功多少? (2)小明跑到三楼做功的功率是多少?