方程log2(x-1)=2-log2(x+1)的解为( )。
如图所示,金属圆环套在光滑的绝缘水平杆上,左侧一条形磁铁,正沿圆环轴心方向朝环运动.则可以判断,圆环中的感应电流方向为(从右往左看)______(填“顺时针”或“逆时针”),环受安培力作用会向______(填“右”或“左”)运动,而且,环的面积有______(填“增大”或“缩小”)的趋势.
We should always bear in mind _________ many accidents ________ from drink-driving. [ ]
A. which; raise
B. that; arise
C. which; arouse
D. that; rise