— Two men got hurt. Finally, the police sent them to the hospital.
A:At first
B:At the front
C:At last
写出意思相反的词
粗—____ 松—____ 早—____ 里—____
____—快 ____—无 ____—高 ____—后
For me, ____ ____ ____ ____ it's a challenge,but ____
____ ____ ____it's a chance to study.
如右图所示,一线圈放在通电螺线管的正中间A处,现向右移动到B处,则在移动过程中通过线圈的磁通量如何变化( )