皮皮学,免费搜题
登录
搜题
【简答题】
均匀磁场的磁感应强度B与半径为r的圆形平面的法线n的夹角为 ,今以圆周为边界,作一个半球面S,S与圆形平面组成封闭面如图,则通过S面的磁通量Φ=()。
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, )
【单选题】There is only _____ snow on the road now. [     ]
A.
a lot of
B.
a little
C.
lots of
D.
little
【简答题】There's lots of fruit _________ the tree. Our little cat is also in the tree. A: on B; in C; at
【单选题】Pandas are a little shy.
A.
very
B.
a lot
C.
lots of
D.
kind of
【简答题】To relax himself for a little while, he rose from the computer desk, walkde across the room towards the window and streched both arms upwards and _______A. sideways B. sub C. striking D. successi...
【单选题】There are ________ small animals in the zoo.
A.
lot of
B.
lots of
C.
a lots of
D.
a little
【单选题】To relax himself for a little while, he rose from the computer desk, walkde across the room towards the window and streched both arms upwards and _______
A.
sideways
B.
suburban
C.
striking
D.
successive
【单选题】【C8】
A.
lots of
B.
a bit of
C.
a little
【单选题】—Can you speak English, Tom? —Yes, but only _ __ . [     ]
A.
little
B.
a little
C.
much
D.
lots of'
【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 .
相关题目: