皮皮学，免费搜题
登录
搜题
【单选题】
鱼鳔的主要功能是（）。A.
呼吸
B.
排泄
C.
消化
D.
调节比重
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】、 、 一起称为气动三联件,是多数气动设备必不可少的气源装置。大多数情况下,三联件组合使用,三联件应安装在用气设备的 。
【简答题】、 、 一起称为气动三联件,三大件依次无管化连接而成的组件称为 ,是多数气动设备必不可少的气源装置。大多数情况下,三大件组合使用,三大件应安装在用气设备的 。
【单选题】I (21) by Mr. J. Gerald Cowcamper's house one day and was greeted by a rather old looking dog. She was a gentle beast who (22) her tail as she pushed her nose against my hand. 'What's her (23) ?' I as...
A.
stopped
B.
ran
C.
went
D.
carried
【简答题】、 、 一起称为气动三联件,是多数气动设备必不可少的气源装置。大多数情况下,三联件组合使用,三联件应安装在用气设备的 。
【单选题】§ C) My mother, who is just shy of five feet tall, is normally incredibly soft-spoken, but on the rare occasion when she got angry, she was terrifying. I am not sure if she was more upset bymy hubris(...
A.
- A writer should polish his writing repeatedly so as to get closer to perfection .
B.
- The author’s mother taught him a valuable lesson by pointing out lots of flaws in his seemingly perfect essay .
C.
【简答题】D Yesterday was our three-year anniversary. We didn’t do anything romantic: we just walked hand in hand and talked about our past and future. This was pretty much what I had expected. Andy is unromant...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
