皮皮学，免费搜题
登录
搜题
【单选题】
跳伞运动不属于大众业余爱好这一类别。A.
Skydiving does not belong in the category of popular hobbies.
B.
Diving does not belong in the category of popular hobbies.
C.
Gardening does not belong in the category of popular hobbies.
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】请列举一些充满哲理的寓言故事或成语,并分析其中的道理。
【简答题】http://pt.able-elec.com/able/LeaveApplication.htm?fType=1http://pt.able-elec.com/able/LeaveApplication.htm?fType=1http://pt.able-elec.com/able/LeaveApplication.htm?fType=1http://pt.able-elec.com/able/...
【简答题】http://pt.able-elec.com/able/LeaveApplication.htm?fType=1http://pt.able-elec.com/able/LeaveApplication.htm?fType=1http://pt.able-elec.com/able/LeaveApplication.htm?fType=1http://pt.able-elec.com/able/...
【单选题】Benjamin Franklin was not the first to suggest the relationship between lightning and electricity, but his experiment with a kite was original.
A.
define
B.
confirm
C.
examine
D.
propose
【单选题】Electromagnets are not exactly the same as other magnets because the magnetic pull of electromagnets is not permanent.
A.
Y
B.
N
C.
NG
【多选题】下列有关螺栓拆装的说法,正确的有( )。
A.
当旋紧或松开同一零件上的将个螺栓时，不按照规定顺序操作可能会引起零件机扭曲或螺栓损坏
B.
当拆卸凸轮轴时，须从现端向中心松开轴承盖固定螺栓，以防引起零件扭曲或轴承损坏
C.
当用螺栓在可旋转的轴类上固定其他零件时，旋紧螺栓会同时转动该轴，所以需一人用手握住轴，另一人才能旋紧螺栓
D.
当沿圆周方向旋紧或松开螺栓时，如在飞轮上，则需均匀地顺时针地依次松开或旋紧
【简答题】简单说明人体红外传感器的数据格式。
相关题目：