【简答题】如图是人耳内声波传导示意图,据图回答: (1)人的内耳由______、______和______组成. (2)鼓室与咽通过______ 相连. (3)(填序号)外界物体振动产生的声波被[______]收集,经[______]传到[______],引起其振动,再由三块[______]传到内耳,刺激[______]内的感觉细胞而产生声音信息,声音信息沿着听觉神经传到大脑皮层的一定区域,形成听觉. (4...
【简答题】Few would deny that what we see in the media affects the way we think and act. Advertisers, knowing this better than anyone else, pay millions of dollars every year to sell their products. For prime t...
【单选题】在电极式锅炉水位控制系统中,若检测危险水位的3号电极在锅炉运行中发生断路,则可能出现的问题是__________。
【单选题】在电极式锅炉水位控制系统中,若检测危险水位的3号电极在锅炉运行中发生断路,则可能出现的问题是________。
【单选题】Many people would like to say, but _______ would like ________ [ ]
【单选题】Although few would deny that it is better to be rich than poor, for some people the quest for money is so all-consuming that it extinguishes all other aspects of life. The cause of the urge to make en...
A.
is rooted in people's minds
C.
is considered unsocial
D.
varies with the individuals