皮皮学，免费搜题
登录
搜题
【简答题】
当直齿圆柱齿轮的齿数少于 时,可采用(__)变位的办法来避免根切。
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】You should write a short essay based on the following question.Suppose you are going to prepare a gift for your mother‘s birthday. What gift would you like to choose and why?写作导航1．指出最好的生日礼物应该来自于孩子；2．从...
【单选题】My parents ______ Shandong for ten years . A. have been in B. have been to C. have gone to D. have been
A.
have been in
B.
have been to
C.
have gone to
【简答题】Suppose Doctor Brown, who is well known to the world for his achievements in the field of medicine, comes to your university as a visiting scholar. Write a welcoming speech to 1) introduce him, and 2)...
【单选题】— Do you know when Britain ______war on Germany during the Second World War? — In 1993, I suppose. [ ]
A.
announced
B.
declared
C.
fought
D.
attended
【简答题】What have Edmond Brothers been? They have been ______.
相关题目：