婴儿鼻腔相对短小而窄,鼻黏膜柔嫩并富有血管,感染时鼻黏膜充血肿胀,致使鼻腔狭窄甚至闭塞。
参考答案:对
(2013·九江一模)My brother sent me an email with one of his photos on Mount Tai ________ to it.
A.attached
B.attach
C.attaching
D.to attach
拆卸0AM机电单元之前需要操作的项目是()
A.对机电单元做基本设置
B.通过功能引导将机电单元至于拆卸位置
C.断开蓄电池
D.将变速箱至于N档