【简答题】A.It costs less. B.It is flexible. C.It saves time. D.It grows fast.
【简答题】travel which saves time
【判断题】对流层和电离层有很强的相关性,通过求差可以把他们都消去。
【单选题】______ I prefer shopping online because it is more convenient and saves time and money.
【单选题】It saves time in the kitchen to have things you use a lot _______ easy reach.
【单选题】溺水者救上岸后,面色死灰,意识不清,口、鼻部有水草、淤泥,颈背部外伤出血明显,首先应立即采取的急救措施是:
【单选题】学好园林树木学必须掌握一定的学习方法,以下方法正确的是