【判断题】通常所说的负载增加,是指负载的功率增加。
【判断题】在进口押金制下,其进口押金比例愈大,对该项商品进口的限制作用愈大。( )
【单选题】---Tom, keep your_____ on your studies. --- Sure, mum. I'll keep that in_____.
【判断题】婴儿横托抱动作训练,右手抓住婴儿的右手腕上提,左手托在婴幼儿的颈背部,再用右手托住婴儿的臀部,托至胸前后两手距离逐渐加大。
【单选题】During the examination you are supposed to stay in your seats, to keep your eyes on your papers, ______ to anyone.