皮皮学，免费搜题
登录
搜题
【单选题】
气管切开使用的金属内套管。通常多长时间更换一次A.
1－2小时
B.
2－4小时
C.
4－8小时
D.
8－16小时
E.
24小时
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】To relax himself for a little while, he rose from the computer desk, walked across the room towards the window and stretched both arms upwards and ____.(,sideways, )
【简答题】There's lots of fruit _________ the tree. Our little cat is also in the tree. A: on B; in C; at
【简答题】To relax himself for a little while, he rose from the computer desk, walked across the room towards the window and stretched both arms upwards and ______. 他从电脑桌前站起身穿过房间走到窗前,向上向两侧伸展了几下胳膊,让自己放松一下。
【简答题】请你注意身体，这句话用日语是“体 気を付けてください。下划线处此应填
【单选题】—Can you speak English, Tom? —Yes, but only _ __ . [ ]
A.
little
B.
a little
C.
much
D.
lots of'
【单选题】Fill in the gaps with words or phrases given below:To relax himself for a little while, he rose from the computer desk, walked across the room towards the window and stretched both arms upwards and __...
A.
sideways
B.
Bathed in
C.
Hook up to
D.
universal
E.
chart
F.
without so much as
【单选题】MVC模式实现:ifelse多分支判断各种动作。
A.
针对request对象传递的参数名称绑定动作
B.
针对request对象传递的参数值绑定动作
C.
针对request对象传递的参数在多个Form表单中
D.
针对request对象传递的路径绑定动作
相关题目：
【简答题】There's lots of fruit _________ the tree. Our little cat is also in the tree. A: on B; in C; at